mirror of
				https://github.com/espressif/esp-idf.git
				synced 2025-10-31 04:59:55 +00:00 
			
		
		
		
	 66fb5a29bb
			
		
	
	66fb5a29bb
	
	
	
		
			
			Apply the pre-commit hook whitespace fixes to all files in the repo. (Line endings, blank lines at end of file, trailing whitespace)
		
			
				
	
	
		
			4956 lines
		
	
	
		
			151 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			4956 lines
		
	
	
		
			151 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| #pragma GCC diagnostic ignored "-Wclobbered"
 | |
| 
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 2013 Tom G. Huang
 | |
|  * <tomghuang@gmail.com>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #ifndef ARG_UTILS_H
 | |
| #define ARG_UTILS_H
 | |
| 
 | |
| #define ARG_ENABLE_TRACE 0
 | |
| #define ARG_ENABLE_LOG 1
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| extern "C" {
 | |
| #endif
 | |
| 
 | |
| enum
 | |
| {
 | |
|     EMINCOUNT = 1,
 | |
|     EMAXCOUNT,
 | |
|     EBADINT,
 | |
|     EOVERFLOW,
 | |
|     EBADDOUBLE,
 | |
|     EBADDATE,
 | |
|     EREGNOMATCH
 | |
| };
 | |
| 
 | |
| 
 | |
| #if defined(_MSC_VER)
 | |
| #define ARG_TRACE(x) \
 | |
|     __pragma(warning(push)) \
 | |
|     __pragma(warning(disable:4127)) \
 | |
|     do { if (ARG_ENABLE_TRACE) dbg_printf x; } while (0) \
 | |
|     __pragma(warning(pop))
 | |
| 
 | |
| #define ARG_LOG(x) \
 | |
|     __pragma(warning(push)) \
 | |
|     __pragma(warning(disable:4127)) \
 | |
|     do { if (ARG_ENABLE_LOG) dbg_printf x; } while (0) \
 | |
|     __pragma(warning(pop))
 | |
| #else
 | |
| #define ARG_TRACE(x) \
 | |
|     do { if (ARG_ENABLE_TRACE) dbg_printf x; } while (0)
 | |
| 
 | |
| #define ARG_LOG(x) \
 | |
|     do { if (ARG_ENABLE_LOG) dbg_printf x; } while (0)
 | |
| #endif
 | |
| 
 | |
| extern void dbg_printf(const char *fmt, ...);
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdarg.h>
 | |
| #include <stdio.h>
 | |
| 
 | |
| 
 | |
| void dbg_printf(const char *fmt, ...)
 | |
| {
 | |
|     va_list args;
 | |
|     va_start(args, fmt);
 | |
|     vfprintf(stderr, fmt, args);
 | |
|     va_end(args);
 | |
| }
 | |
| 
 | |
| /*	$Id: getopt.h,v 1.1 2009/10/16 19:50:28 rodney Exp rodney $ */
 | |
| /*	$OpenBSD: getopt.h,v 1.1 2002/12/03 20:24:29 millert Exp $	*/
 | |
| /*	$NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $	*/
 | |
| 
 | |
| /*-
 | |
|  * Copyright (c) 2000 The NetBSD Foundation, Inc.
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * This code is derived from software contributed to The NetBSD Foundation
 | |
|  * by Dieter Baron and Thomas Klausner.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions
 | |
|  * are met:
 | |
|  * 1. Redistributions of source code must retain the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer.
 | |
|  * 2. Redistributions in binary form must reproduce the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer in the
 | |
|  *    documentation and/or other materials provided with the distribution.
 | |
|  * 3. All advertising materials mentioning features or use of this software
 | |
|  *    must display the following acknowledgement:
 | |
|  *        This product includes software developed by the NetBSD
 | |
|  *        Foundation, Inc. and its contributors.
 | |
|  * 4. Neither the name of The NetBSD Foundation nor the names of its
 | |
|  *    contributors may be used to endorse or promote products derived
 | |
|  *    from this software without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 | |
|  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 | |
|  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 | |
|  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 | |
|  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 | |
|  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 | |
|  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 | |
|  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 | |
|  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 | |
|  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 | |
|  * POSSIBILITY OF SUCH DAMAGE.
 | |
|  */
 | |
| 
 | |
| #ifndef _GETOPT_H_
 | |
| #define _GETOPT_H_
 | |
| 
 | |
| #if 0
 | |
| #include <sys/cdefs.h>
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * GNU-like getopt_long() and 4.4BSD getsubopt()/optreset extensions
 | |
|  */
 | |
| #define no_argument        0
 | |
| #define required_argument  1
 | |
| #define optional_argument  2
 | |
| 
 | |
| struct option {
 | |
| 	/* name of long option */
 | |
| 	const char *name;
 | |
| 	/*
 | |
| 	 * one of no_argument, required_argument, and optional_argument:
 | |
| 	 * whether option takes an argument
 | |
| 	 */
 | |
| 	int has_arg;
 | |
| 	/* if not NULL, set *flag to val when option found */
 | |
| 	int *flag;
 | |
| 	/* if flag not NULL, value to set *flag to; else return value */
 | |
| 	int val;
 | |
| };
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| extern "C" {
 | |
| #endif
 | |
| 
 | |
| int	 getopt_long(int, char * const *, const char *,
 | |
| 	    const struct option *, int *);
 | |
| int	 getopt_long_only(int, char * const *, const char *,
 | |
| 	    const struct option *, int *);
 | |
| #ifndef _GETOPT_DEFINED
 | |
| #define _GETOPT_DEFINED
 | |
| int	 getopt(int, char * const *, const char *);
 | |
| int	 getsubopt(char **, char * const *, char **);
 | |
| 
 | |
| extern   char *optarg;                  /* getopt(3) external variables */
 | |
| extern   int opterr;
 | |
| extern   int optind;
 | |
| extern   int optopt;
 | |
| extern   int optreset;
 | |
| extern   char *suboptarg;               /* getsubopt(3) external variable */
 | |
| #endif /* _GETOPT_DEFINED */
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| }
 | |
| #endif
 | |
| #endif /* !_GETOPT_H_ */
 | |
| /*	$Id: getopt_long.c,v 1.1 2009/10/16 19:50:28 rodney Exp rodney $	*/
 | |
| /*	$OpenBSD: getopt_long.c,v 1.23 2007/10/31 12:34:57 chl Exp $	*/
 | |
| /*	$NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $	*/
 | |
| 
 | |
| /*
 | |
|  * Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com>
 | |
|  *
 | |
|  * Permission to use, copy, modify, and distribute this software for any
 | |
|  * purpose with or without fee is hereby granted, provided that the above
 | |
|  * copyright notice and this permission notice appear in all copies.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 | |
|  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 | |
|  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 | |
|  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 | |
|  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 | |
|  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 | |
|  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 | |
|  *
 | |
|  * Sponsored in part by the Defense Advanced Research Projects
 | |
|  * Agency (DARPA) and Air Force Research Laboratory, Air Force
 | |
|  * Materiel Command, USAF, under agreement number F39502-99-1-0512.
 | |
|  */
 | |
| 
 | |
| #ifndef lint
 | |
| //static const char rcsid[]="$Id: getopt_long.c,v 1.1 2009/10/16 19:50:28 rodney Exp rodney $";
 | |
| #endif /* lint */
 | |
| /*-
 | |
|  * Copyright (c) 2000 The NetBSD Foundation, Inc.
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * This code is derived from software contributed to The NetBSD Foundation
 | |
|  * by Dieter Baron and Thomas Klausner.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions
 | |
|  * are met:
 | |
|  * 1. Redistributions of source code must retain the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer.
 | |
|  * 2. Redistributions in binary form must reproduce the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer in the
 | |
|  *    documentation and/or other materials provided with the distribution.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 | |
|  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 | |
|  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 | |
|  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 | |
|  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 | |
|  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 | |
|  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 | |
|  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 | |
|  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 | |
|  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 | |
|  * POSSIBILITY OF SUCH DAMAGE.
 | |
|  */
 | |
| 
 | |
| #include <errno.h>
 | |
| #include <stdlib.h>
 | |
| #include <string.h>
 | |
| 
 | |
| // Define this to replace system getopt
 | |
| //
 | |
| //#define	REPLACE_GETOPT		/* use this getopt as the system getopt(3) */
 | |
| 
 | |
| #ifdef REPLACE_GETOPT
 | |
| int	opterr = 1;		/* if error message should be printed */
 | |
| int	optind = 1;		/* index into parent argv vector */
 | |
| int	optopt = '?';		/* character checked for validity */
 | |
| int	optreset;		/* reset getopt */
 | |
| char    *optarg;		/* argument associated with option */
 | |
| 
 | |
| 
 | |
| #define PRINT_ERROR	((opterr) && (*options != ':'))
 | |
| 
 | |
| #define FLAG_PERMUTE	0x01	/* permute non-options to the end of argv */
 | |
| #define FLAG_ALLARGS	0x02	/* treat non-options as args to option "-1" */
 | |
| #define FLAG_LONGONLY	0x04	/* operate as getopt_long_only */
 | |
| 
 | |
| /* return values */
 | |
| #define	BADCH		(int)'?'
 | |
| #define	BADARG		((*options == ':') ? (int)':' : (int)'?')
 | |
| #define	INORDER 	(int)1
 | |
| 
 | |
| #define	EMSG		""
 | |
| 
 | |
| static int getopt_internal(int, char * const *, const char *,
 | |
| 			   const struct option *, int *, int);
 | |
| static int parse_long_options(char * const *, const char *,
 | |
| 			      const struct option *, int *, int);
 | |
| static int gcd(int, int);
 | |
| static void permute_args(int, int, int, char * const *);
 | |
| 
 | |
| static char *place = EMSG; /* option letter processing */
 | |
| 
 | |
| /* XXX: set optreset to 1 rather than these two */
 | |
| static int nonopt_start = -1; /* first non option argument (for permute) */
 | |
| static int nonopt_end = -1;   /* first option after non options (for permute) */
 | |
| 
 | |
| /* Error messages */
 | |
| static const char recargchar[] = "option requires an argument -- %c";
 | |
| static const char recargstring[] = "option requires an argument -- %s";
 | |
| static const char ambig[] = "ambiguous option -- %.*s";
 | |
| static const char noarg[] = "option doesn't take an argument -- %.*s";
 | |
| static const char illoptchar[] = "unknown option -- %c";
 | |
| static const char illoptstring[] = "unknown option -- %s";
 | |
| 
 | |
| 
 | |
| #if defined(_WIN32) || defined(ESP_PLATFORM)
 | |
| 
 | |
| /* Windows needs warnx().  We change the definition though:
 | |
|  *  1. (another) global is defined, opterrmsg, which holds the error message
 | |
|  *  2. errors are always printed out on stderr w/o the program name
 | |
|  * Note that opterrmsg always gets set no matter what opterr is set to.  The
 | |
|  * error message will not be printed if opterr is 0 as usual.
 | |
|  */
 | |
| 
 | |
| #include <stdio.h>
 | |
| #include <stdarg.h>
 | |
| 
 | |
| extern char opterrmsg[128];
 | |
| char opterrmsg[128]; /* buffer for the last error message */
 | |
| 
 | |
| static void warnx(const char *fmt, ...)
 | |
| {
 | |
| 	va_list ap;
 | |
| 	va_start(ap, fmt);
 | |
|     /*
 | |
|     Make sure opterrmsg is always zero-terminated despite the _vsnprintf()
 | |
|     implementation specifics and manually suppress the warning.
 | |
|     */
 | |
|     memset(opterrmsg, 0, sizeof opterrmsg);
 | |
| 	if (fmt != NULL)
 | |
| 		vsnprintf(opterrmsg, sizeof(opterrmsg) - 1, fmt, ap);
 | |
| 	va_end(ap);
 | |
| #if defined(_WIN32)
 | |
| #pragma warning(suppress: 6053)
 | |
| #endif
 | |
| 	fprintf(stderr, "%s\n", opterrmsg);
 | |
| }
 | |
| 
 | |
| #else
 | |
| #include <err.h>
 | |
| #endif /*_WIN32*/
 | |
| 
 | |
| /*
 | |
|  * Compute the greatest common divisor of a and b.
 | |
|  */
 | |
| static int
 | |
| gcd(int a, int b)
 | |
| {
 | |
| 	int c;
 | |
| 
 | |
| 	c = a % b;
 | |
| 	while (c != 0) {
 | |
| 		a = b;
 | |
| 		b = c;
 | |
| 		c = a % b;
 | |
| 	}
 | |
| 
 | |
| 	return (b);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Exchange the block from nonopt_start to nonopt_end with the block
 | |
|  * from nonopt_end to opt_end (keeping the same order of arguments
 | |
|  * in each block).
 | |
|  */
 | |
| static void
 | |
| permute_args(int panonopt_start, int panonopt_end, int opt_end,
 | |
| 	char * const *nargv)
 | |
| {
 | |
| 	int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos;
 | |
| 	char *swap;
 | |
| 
 | |
| 	/*
 | |
| 	 * compute lengths of blocks and number and size of cycles
 | |
| 	 */
 | |
| 	nnonopts = panonopt_end - panonopt_start;
 | |
| 	nopts = opt_end - panonopt_end;
 | |
| 	ncycle = gcd(nnonopts, nopts);
 | |
| 	cyclelen = (opt_end - panonopt_start) / ncycle;
 | |
| 
 | |
| 	for (i = 0; i < ncycle; i++) {
 | |
| 		cstart = panonopt_end+i;
 | |
| 		pos = cstart;
 | |
| 		for (j = 0; j < cyclelen; j++) {
 | |
| 			if (pos >= panonopt_end)
 | |
| 				pos -= nnonopts;
 | |
| 			else
 | |
| 				pos += nopts;
 | |
| 			swap = nargv[pos];
 | |
| 			/* LINTED const cast */
 | |
| 			((char **) nargv)[pos] = nargv[cstart];
 | |
| 			/* LINTED const cast */
 | |
| 			((char **)nargv)[cstart] = swap;
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * parse_long_options --
 | |
|  *	Parse long options in argc/argv argument vector.
 | |
|  * Returns -1 if short_too is set and the option does not match long_options.
 | |
|  */
 | |
| static int
 | |
| parse_long_options(char * const *nargv, const char *options,
 | |
| 	const struct option *long_options, int *idx, int short_too)
 | |
| {
 | |
| 	char *current_argv, *has_equal;
 | |
| 	size_t current_argv_len;
 | |
| 	int i, match;
 | |
| 
 | |
| 	current_argv = place;
 | |
| 	match = -1;
 | |
| 
 | |
| 	optind++;
 | |
| 
 | |
| 	if ((has_equal = strchr(current_argv, '=')) != NULL) {
 | |
| 		/* argument found (--option=arg) */
 | |
| 		current_argv_len = has_equal - current_argv;
 | |
| 		has_equal++;
 | |
| 	} else
 | |
| 		current_argv_len = strlen(current_argv);
 | |
| 
 | |
| 	for (i = 0; long_options[i].name; i++) {
 | |
| 		/* find matching long option */
 | |
| 		if (strncmp(current_argv, long_options[i].name,
 | |
| 		    current_argv_len))
 | |
| 			continue;
 | |
| 
 | |
| 		if (strlen(long_options[i].name) == current_argv_len) {
 | |
| 			/* exact match */
 | |
| 			match = i;
 | |
| 			break;
 | |
| 		}
 | |
| 		/*
 | |
| 		 * If this is a known short option, don't allow
 | |
| 		 * a partial match of a single character.
 | |
| 		 */
 | |
| 		if (short_too && current_argv_len == 1)
 | |
| 			continue;
 | |
| 
 | |
| 		if (match == -1)	/* partial match */
 | |
| 			match = i;
 | |
| 		else {
 | |
| 			/* ambiguous abbreviation */
 | |
| 			if (PRINT_ERROR)
 | |
| 				warnx(ambig, (int)current_argv_len,
 | |
| 				     current_argv);
 | |
| 			optopt = 0;
 | |
| 			return (BADCH);
 | |
| 		}
 | |
| 	}
 | |
| 	if (match != -1) {		/* option found */
 | |
| 		if (long_options[match].has_arg == no_argument
 | |
| 		    && has_equal) {
 | |
| 			if (PRINT_ERROR)
 | |
| 				warnx(noarg, (int)current_argv_len,
 | |
| 				     current_argv);
 | |
| 			/*
 | |
| 			 * XXX: GNU sets optopt to val regardless of flag
 | |
| 			 */
 | |
| 			if (long_options[match].flag == NULL)
 | |
| 				optopt = long_options[match].val;
 | |
| 			else
 | |
| 				optopt = 0;
 | |
| 			return (BADARG);
 | |
| 		}
 | |
| 		if (long_options[match].has_arg == required_argument ||
 | |
| 		    long_options[match].has_arg == optional_argument) {
 | |
| 			if (has_equal)
 | |
| 				optarg = has_equal;
 | |
| 			else if (long_options[match].has_arg ==
 | |
| 			    required_argument) {
 | |
| 				/*
 | |
| 				 * optional argument doesn't use next nargv
 | |
| 				 */
 | |
| 				optarg = nargv[optind++];
 | |
| 			}
 | |
| 		}
 | |
| 		if ((long_options[match].has_arg == required_argument)
 | |
| 		    && (optarg == NULL)) {
 | |
| 			/*
 | |
| 			 * Missing argument; leading ':' indicates no error
 | |
| 			 * should be generated.
 | |
| 			 */
 | |
| 			if (PRINT_ERROR)
 | |
| 				warnx(recargstring,
 | |
| 				    current_argv);
 | |
| 			/*
 | |
| 			 * XXX: GNU sets optopt to val regardless of flag
 | |
| 			 */
 | |
| 			if (long_options[match].flag == NULL)
 | |
| 				optopt = long_options[match].val;
 | |
| 			else
 | |
| 				optopt = 0;
 | |
| 			--optind;
 | |
| 			return (BADARG);
 | |
| 		}
 | |
| 	} else {			/* unknown option */
 | |
| 		if (short_too) {
 | |
| 			--optind;
 | |
| 			return (-1);
 | |
| 		}
 | |
| 		if (PRINT_ERROR)
 | |
| 			warnx(illoptstring, current_argv);
 | |
| 		optopt = 0;
 | |
| 		return (BADCH);
 | |
| 	}
 | |
| 	if (idx)
 | |
| 		*idx = match;
 | |
| 	if (long_options[match].flag) {
 | |
| 		*long_options[match].flag = long_options[match].val;
 | |
| 		return (0);
 | |
| 	} else
 | |
| 		return (long_options[match].val);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * getopt_internal --
 | |
|  *	Parse argc/argv argument vector.  Called by user level routines.
 | |
|  */
 | |
| static int
 | |
| getopt_internal(int nargc, char * const *nargv, const char *options,
 | |
| 	const struct option *long_options, int *idx, int flags)
 | |
| {
 | |
| 	char *oli;				/* option letter list index */
 | |
| 	int optchar, short_too;
 | |
| 	static int posixly_correct = -1;
 | |
| 
 | |
| 	if (options == NULL)
 | |
| 		return (-1);
 | |
| 
 | |
| 	/*
 | |
| 	 * Disable GNU extensions if POSIXLY_CORRECT is set or options
 | |
| 	 * string begins with a '+'.
 | |
| 	 */
 | |
| 	if (posixly_correct == -1)
 | |
| 		posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
 | |
| 	if (posixly_correct || *options == '+')
 | |
| 		flags &= ~FLAG_PERMUTE;
 | |
| 	else if (*options == '-')
 | |
| 		flags |= FLAG_ALLARGS;
 | |
| 	if (*options == '+' || *options == '-')
 | |
| 		options++;
 | |
| 
 | |
| 	/*
 | |
| 	 * XXX Some GNU programs (like cvs) set optind to 0 instead of
 | |
| 	 * XXX using optreset.  Work around this braindamage.
 | |
| 	 */
 | |
| 	if (optind == 0)
 | |
| 		optind = optreset = 1;
 | |
| 
 | |
| 	optarg = NULL;
 | |
| 	if (optreset)
 | |
| 		nonopt_start = nonopt_end = -1;
 | |
| start:
 | |
| 	if (optreset || !*place) {		/* update scanning pointer */
 | |
| 		optreset = 0;
 | |
| 		if (optind >= nargc) {          /* end of argument vector */
 | |
| 			place = EMSG;
 | |
| 			if (nonopt_end != -1) {
 | |
| 				/* do permutation, if we have to */
 | |
| 				permute_args(nonopt_start, nonopt_end,
 | |
| 				    optind, nargv);
 | |
| 				optind -= nonopt_end - nonopt_start;
 | |
| 			}
 | |
| 			else if (nonopt_start != -1) {
 | |
| 				/*
 | |
| 				 * If we skipped non-options, set optind
 | |
| 				 * to the first of them.
 | |
| 				 */
 | |
| 				optind = nonopt_start;
 | |
| 			}
 | |
| 			nonopt_start = nonopt_end = -1;
 | |
| 			return (-1);
 | |
| 		}
 | |
| 		if (*(place = nargv[optind]) != '-' ||
 | |
| 		    (place[1] == '\0' && strchr(options, '-') == NULL)) {
 | |
| 			place = EMSG;		/* found non-option */
 | |
| 			if (flags & FLAG_ALLARGS) {
 | |
| 				/*
 | |
| 				 * GNU extension:
 | |
| 				 * return non-option as argument to option 1
 | |
| 				 */
 | |
| 				optarg = nargv[optind++];
 | |
| 				return (INORDER);
 | |
| 			}
 | |
| 			if (!(flags & FLAG_PERMUTE)) {
 | |
| 				/*
 | |
| 				 * If no permutation wanted, stop parsing
 | |
| 				 * at first non-option.
 | |
| 				 */
 | |
| 				return (-1);
 | |
| 			}
 | |
| 			/* do permutation */
 | |
| 			if (nonopt_start == -1)
 | |
| 				nonopt_start = optind;
 | |
| 			else if (nonopt_end != -1) {
 | |
| 				permute_args(nonopt_start, nonopt_end,
 | |
| 				    optind, nargv);
 | |
| 				nonopt_start = optind -
 | |
| 				    (nonopt_end - nonopt_start);
 | |
| 				nonopt_end = -1;
 | |
| 			}
 | |
| 			optind++;
 | |
| 			/* process next argument */
 | |
| 			goto start;
 | |
| 		}
 | |
| 		if (nonopt_start != -1 && nonopt_end == -1)
 | |
| 			nonopt_end = optind;
 | |
| 
 | |
| 		/*
 | |
| 		 * If we have "-" do nothing, if "--" we are done.
 | |
| 		 */
 | |
| 		if (place[1] != '\0' && *++place == '-' && place[1] == '\0') {
 | |
| 			optind++;
 | |
| 			place = EMSG;
 | |
| 			/*
 | |
| 			 * We found an option (--), so if we skipped
 | |
| 			 * non-options, we have to permute.
 | |
| 			 */
 | |
| 			if (nonopt_end != -1) {
 | |
| 				permute_args(nonopt_start, nonopt_end,
 | |
| 				    optind, nargv);
 | |
| 				optind -= nonopt_end - nonopt_start;
 | |
| 			}
 | |
| 			nonopt_start = nonopt_end = -1;
 | |
| 			return (-1);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/*
 | |
| 	 * Check long options if:
 | |
| 	 *  1) we were passed some
 | |
| 	 *  2) the arg is not just "-"
 | |
| 	 *  3) either the arg starts with -- we are getopt_long_only()
 | |
| 	 */
 | |
| 	if (long_options != NULL && place != nargv[optind] &&
 | |
| 	    (*place == '-' || (flags & FLAG_LONGONLY))) {
 | |
| 		short_too = 0;
 | |
| 		if (*place == '-')
 | |
| 			place++;		/* --foo long option */
 | |
| 		else if (*place != ':' && strchr(options, *place) != NULL)
 | |
| 			short_too = 1;		/* could be short option too */
 | |
| 
 | |
| 		optchar = parse_long_options(nargv, options, long_options,
 | |
| 		    idx, short_too);
 | |
| 		if (optchar != -1) {
 | |
| 			place = EMSG;
 | |
| 			return (optchar);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if ((optchar = (int)*place++) == (int)':' ||
 | |
| 	    (optchar == (int)'-' && *place != '\0') ||
 | |
| 	    (oli = strchr(options, optchar)) == NULL) {
 | |
| 		/*
 | |
| 		 * If the user specified "-" and  '-' isn't listed in
 | |
| 		 * options, return -1 (non-option) as per POSIX.
 | |
| 		 * Otherwise, it is an unknown option character (or ':').
 | |
| 		 */
 | |
| 		if (optchar == (int)'-' && *place == '\0')
 | |
| 			return (-1);
 | |
| 		if (!*place)
 | |
| 			++optind;
 | |
| 		if (PRINT_ERROR)
 | |
| 			warnx(illoptchar, optchar);
 | |
| 		optopt = optchar;
 | |
| 		return (BADCH);
 | |
| 	}
 | |
| 	if (long_options != NULL && optchar == 'W' && oli[1] == ';') {
 | |
| 		/* -W long-option */
 | |
| 		if (*place)			/* no space */
 | |
| 			/* NOTHING */;
 | |
| 		else if (++optind >= nargc) {	/* no arg */
 | |
| 			place = EMSG;
 | |
| 			if (PRINT_ERROR)
 | |
| 				warnx(recargchar, optchar);
 | |
| 			optopt = optchar;
 | |
| 			return (BADARG);
 | |
| 		} else				/* white space */
 | |
| 			place = nargv[optind];
 | |
| 		optchar = parse_long_options(nargv, options, long_options,
 | |
| 		    idx, 0);
 | |
| 		place = EMSG;
 | |
| 		return (optchar);
 | |
| 	}
 | |
| 	if (*++oli != ':') {			/* doesn't take argument */
 | |
| 		if (!*place)
 | |
| 			++optind;
 | |
| 	} else {				/* takes (optional) argument */
 | |
| 		optarg = NULL;
 | |
| 		if (*place)			/* no white space */
 | |
| 			optarg = place;
 | |
| 		else if (oli[1] != ':') {	/* arg not optional */
 | |
| 			if (++optind >= nargc) {	/* no arg */
 | |
| 				place = EMSG;
 | |
| 				if (PRINT_ERROR)
 | |
| 					warnx(recargchar, optchar);
 | |
| 				optopt = optchar;
 | |
| 				return (BADARG);
 | |
| 			} else
 | |
| 				optarg = nargv[optind];
 | |
| 		}
 | |
| 		place = EMSG;
 | |
| 		++optind;
 | |
| 	}
 | |
| 	/* dump back option letter */
 | |
| 	return (optchar);
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * getopt --
 | |
|  *	Parse argc/argv argument vector.
 | |
|  *
 | |
|  * [eventually this will replace the BSD getopt]
 | |
|  */
 | |
| int
 | |
| getopt(int nargc, char * const *nargv, const char *options)
 | |
| {
 | |
| 
 | |
| 	/*
 | |
| 	 * We don't pass FLAG_PERMUTE to getopt_internal() since
 | |
| 	 * the BSD getopt(3) (unlike GNU) has never done this.
 | |
| 	 *
 | |
| 	 * Furthermore, since many privileged programs call getopt()
 | |
| 	 * before dropping privileges it makes sense to keep things
 | |
| 	 * as simple (and bug-free) as possible.
 | |
| 	 */
 | |
| 	return (getopt_internal(nargc, nargv, options, NULL, NULL, 0));
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * getopt_long --
 | |
|  *	Parse argc/argv argument vector.
 | |
|  */
 | |
| int
 | |
| getopt_long(int nargc, char * const *nargv, const char *options,
 | |
|     const struct option *long_options, int *idx)
 | |
| {
 | |
| 
 | |
| 	return (getopt_internal(nargc, nargv, options, long_options, idx,
 | |
| 	    FLAG_PERMUTE));
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * getopt_long_only --
 | |
|  *	Parse argc/argv argument vector.
 | |
|  */
 | |
| int
 | |
| getopt_long_only(int nargc, char * const *nargv, const char *options,
 | |
|     const struct option *long_options, int *idx)
 | |
| {
 | |
| 
 | |
| 	return (getopt_internal(nargc, nargv, options, long_options, idx,
 | |
| 	    FLAG_PERMUTE|FLAG_LONGONLY));
 | |
| }
 | |
| #endif /* REPLACE_GETOPT */
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| #include <string.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| 
 | |
| char * arg_strptime(const char *buf, const char *fmt, struct tm *tm);
 | |
| 
 | |
| 
 | |
| static void arg_date_resetfn(struct arg_date *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_date_scanfn(struct arg_date *parent, const char *argval)
 | |
| {
 | |
|     int errorcode = 0;
 | |
| 
 | |
|     if (parent->count == parent->hdr.maxcount)
 | |
|     {
 | |
|         errorcode = EMAXCOUNT;
 | |
|     }
 | |
|     else if (!argval)
 | |
|     {
 | |
|         /* no argument value was given, leave parent->tmval[] unaltered but still count it */
 | |
|         parent->count++;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         const char *pend;
 | |
|         struct tm tm = parent->tmval[parent->count];
 | |
| 
 | |
|         /* parse the given argument value, store result in parent->tmval[] */
 | |
|         pend = arg_strptime(argval, parent->format, &tm);
 | |
|         if (pend && pend[0] == '\0')
 | |
|             parent->tmval[parent->count++] = tm;
 | |
|         else
 | |
|             errorcode = EBADDATE;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("%s:scanfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_date_checkfn(struct arg_date *parent)
 | |
| {
 | |
|     int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
 | |
| 
 | |
|     ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void arg_date_errorfn(
 | |
|     struct arg_date *parent,
 | |
|     FILE *fp,
 | |
|     int errorcode,
 | |
|     const char *argval,
 | |
|     const char *progname)
 | |
| {
 | |
|     const char *shortopts = parent->hdr.shortopts;
 | |
|     const char *longopts  = parent->hdr.longopts;
 | |
|     const char *datatype  = parent->hdr.datatype;
 | |
| 
 | |
|     /* make argval NULL safe */
 | |
|     argval = argval ? argval : "";
 | |
| 
 | |
|     fprintf(fp, "%s: ", progname);
 | |
|     switch(errorcode)
 | |
|     {
 | |
|     case EMINCOUNT:
 | |
|         fputs("missing option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EMAXCOUNT:
 | |
|         fputs("excess option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, argval, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EBADDATE:
 | |
|     {
 | |
|         struct tm tm;
 | |
|         char buff[200];
 | |
| 
 | |
|         fprintf(fp, "illegal timestamp format \"%s\"\n", argval);
 | |
|         memset(&tm, 0, sizeof(tm));
 | |
|         arg_strptime("1999-12-31 23:59:59", "%F %H:%M:%S", &tm);
 | |
|         strftime(buff, sizeof(buff), parent->format, &tm);
 | |
|         printf("correct format is \"%s\"\n", buff);
 | |
|         break;
 | |
|     }
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_date * arg_date0(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char * format,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_daten(shortopts, longopts, format, datatype, 0, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_date * arg_date1(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char * format,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_daten(shortopts, longopts, format, datatype, 1, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_date * arg_daten(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char * format,
 | |
|     const char *datatype,
 | |
|     int mincount,
 | |
|     int maxcount,
 | |
|     const char *glossary)
 | |
| {
 | |
|     size_t nbytes;
 | |
|     struct arg_date *result;
 | |
| 
 | |
|     /* foolproof things by ensuring maxcount is not less than mincount */
 | |
|     maxcount = (maxcount < mincount) ? mincount : maxcount;
 | |
| 
 | |
|     /* default time format is the national date format for the locale */
 | |
|     if (!format)
 | |
|         format = "%x";
 | |
| 
 | |
|     nbytes = sizeof(struct arg_date)         /* storage for struct arg_date */
 | |
|         + maxcount * sizeof(struct tm);    /* storage for tmval[maxcount] array */
 | |
| 
 | |
|     /* allocate storage for the arg_date struct + tmval[] array.    */
 | |
|     /* we use calloc because we want the tmval[] array zero filled. */
 | |
|     result = (struct arg_date *)calloc(1, nbytes);
 | |
|     if (result)
 | |
|     {
 | |
|         /* init the arg_hdr struct */
 | |
|         result->hdr.flag      = ARG_HASVALUE;
 | |
|         result->hdr.shortopts = shortopts;
 | |
|         result->hdr.longopts  = longopts;
 | |
|         result->hdr.datatype  = datatype ? datatype : format;
 | |
|         result->hdr.glossary  = glossary;
 | |
|         result->hdr.mincount  = mincount;
 | |
|         result->hdr.maxcount  = maxcount;
 | |
|         result->hdr.parent    = result;
 | |
|         result->hdr.resetfn   = (arg_resetfn *)arg_date_resetfn;
 | |
|         result->hdr.scanfn    = (arg_scanfn *)arg_date_scanfn;
 | |
|         result->hdr.checkfn   = (arg_checkfn *)arg_date_checkfn;
 | |
|         result->hdr.errorfn   = (arg_errorfn *)arg_date_errorfn;
 | |
| 
 | |
|         /* store the tmval[maxcount] array immediately after the arg_date struct */
 | |
|         result->tmval  = (struct tm *)(result + 1);
 | |
| 
 | |
|         /* init the remaining arg_date member variables */
 | |
|         result->count = 0;
 | |
|         result->format = format;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_daten() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*-
 | |
|  * Copyright (c) 1997, 1998, 2005, 2008 The NetBSD Foundation, Inc.
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * This code was contributed to The NetBSD Foundation by Klaus Klein.
 | |
|  * Heavily optimised by David Laight
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions
 | |
|  * are met:
 | |
|  * 1. Redistributions of source code must retain the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer.
 | |
|  * 2. Redistributions in binary form must reproduce the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer in the
 | |
|  *    documentation and/or other materials provided with the distribution.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 | |
|  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 | |
|  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 | |
|  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 | |
|  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 | |
|  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 | |
|  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 | |
|  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 | |
|  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 | |
|  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 | |
|  * POSSIBILITY OF SUCH DAMAGE.
 | |
|  */
 | |
| 
 | |
| #include <ctype.h>
 | |
| #include <string.h>
 | |
| #include <time.h>
 | |
| 
 | |
| /*
 | |
|  * We do not implement alternate representations. However, we always
 | |
|  * check whether a given modifier is allowed for a certain conversion.
 | |
|  */
 | |
| #define ALT_E                   0x01
 | |
| #define ALT_O                   0x02
 | |
| #define LEGAL_ALT(x)            { if (alt_format & ~(x)) return (0); }
 | |
| #define TM_YEAR_BASE   (1900)
 | |
| 
 | |
| static int conv_num(const char * *, int *, int, int);
 | |
| 
 | |
| static const char *day[7] = {
 | |
|     "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
 | |
|     "Friday", "Saturday"
 | |
| };
 | |
| 
 | |
| static const char *abday[7] = {
 | |
|     "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
 | |
| };
 | |
| 
 | |
| static const char *mon[12] = {
 | |
|     "January", "February", "March", "April", "May", "June", "July",
 | |
|     "August", "September", "October", "November", "December"
 | |
| };
 | |
| 
 | |
| static const char *abmon[12] = {
 | |
|     "Jan", "Feb", "Mar", "Apr", "May", "Jun",
 | |
|     "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
 | |
| };
 | |
| 
 | |
| static const char *am_pm[2] = {
 | |
|     "AM", "PM"
 | |
| };
 | |
| 
 | |
| 
 | |
| static int arg_strcasecmp(const char *s1, const char *s2)
 | |
| {
 | |
|     const unsigned char *us1 = (const unsigned char *)s1;
 | |
|     const unsigned char *us2 = (const unsigned char *)s2;
 | |
|     while (tolower(*us1) == tolower(*us2++))
 | |
|         if (*us1++ == '\0')
 | |
|             return 0;
 | |
| 
 | |
|     return tolower(*us1) - tolower(*--us2);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_strncasecmp(const char *s1, const char *s2, size_t n)
 | |
| {
 | |
|     if (n != 0)
 | |
|     {
 | |
|         const unsigned char *us1 = (const unsigned char *)s1;
 | |
|         const unsigned char *us2 = (const unsigned char *)s2;
 | |
|         do
 | |
|         {
 | |
|             if (tolower(*us1) != tolower(*us2++))
 | |
|                 return tolower(*us1) - tolower(*--us2);
 | |
| 
 | |
|             if (*us1++ == '\0')
 | |
|                 break;
 | |
|         } while (--n != 0);
 | |
|     }
 | |
| 
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| char * arg_strptime(const char *buf, const char *fmt, struct tm *tm)
 | |
| {
 | |
|     char c;
 | |
|     const char *bp;
 | |
|     size_t len = 0;
 | |
|     int alt_format, i, split_year = 0;
 | |
| 
 | |
|     bp = buf;
 | |
| 
 | |
|     while ((c = *fmt) != '\0') {
 | |
|         /* Clear `alternate' modifier prior to new conversion. */
 | |
|         alt_format = 0;
 | |
| 
 | |
|         /* Eat up white-space. */
 | |
|         if (isspace((int) c)) {
 | |
|             while (isspace((int) *bp))
 | |
|                 bp++;
 | |
| 
 | |
|             fmt++;
 | |
|             continue;
 | |
|         }
 | |
| 
 | |
|         if ((c = *fmt++) != '%')
 | |
|             goto literal;
 | |
| 
 | |
| 
 | |
| again:
 | |
|         switch (c = *fmt++)
 | |
|         {
 | |
|         case '%': /* "%%" is converted to "%". */
 | |
| literal:
 | |
|             if (c != *bp++)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         /*
 | |
|          * "Alternative" modifiers. Just set the appropriate flag
 | |
|          * and start over again.
 | |
|          */
 | |
|         case 'E': /* "%E?" alternative conversion modifier. */
 | |
|             LEGAL_ALT(0);
 | |
|             alt_format |= ALT_E;
 | |
|             goto again;
 | |
| 
 | |
|         case 'O': /* "%O?" alternative conversion modifier. */
 | |
|             LEGAL_ALT(0);
 | |
|             alt_format |= ALT_O;
 | |
|             goto again;
 | |
| 
 | |
|         /*
 | |
|          * "Complex" conversion rules, implemented through recursion.
 | |
|          */
 | |
|         case 'c': /* Date and time, using the locale's format. */
 | |
|             LEGAL_ALT(ALT_E);
 | |
|             bp = arg_strptime(bp, "%x %X", tm);
 | |
|             if (!bp)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'D': /* The date as "%m/%d/%y". */
 | |
|             LEGAL_ALT(0);
 | |
|             bp = arg_strptime(bp, "%m/%d/%y", tm);
 | |
|             if (!bp)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'R': /* The time as "%H:%M". */
 | |
|             LEGAL_ALT(0);
 | |
|             bp = arg_strptime(bp, "%H:%M", tm);
 | |
|             if (!bp)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'r': /* The time in 12-hour clock representation. */
 | |
|             LEGAL_ALT(0);
 | |
|             bp = arg_strptime(bp, "%I:%M:%S %p", tm);
 | |
|             if (!bp)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'T': /* The time as "%H:%M:%S". */
 | |
|             LEGAL_ALT(0);
 | |
|             bp = arg_strptime(bp, "%H:%M:%S", tm);
 | |
|             if (!bp)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'X': /* The time, using the locale's format. */
 | |
|             LEGAL_ALT(ALT_E);
 | |
|             bp = arg_strptime(bp, "%H:%M:%S", tm);
 | |
|             if (!bp)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'x': /* The date, using the locale's format. */
 | |
|             LEGAL_ALT(ALT_E);
 | |
|             bp = arg_strptime(bp, "%m/%d/%y", tm);
 | |
|             if (!bp)
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         /*
 | |
|          * "Elementary" conversion rules.
 | |
|          */
 | |
|         case 'A': /* The day of week, using the locale's form. */
 | |
|         case 'a':
 | |
|             LEGAL_ALT(0);
 | |
|             for (i = 0; i < 7; i++) {
 | |
|                 /* Full name. */
 | |
|                 len = strlen(day[i]);
 | |
|                 if (arg_strncasecmp(day[i], bp, len) == 0)
 | |
|                     break;
 | |
| 
 | |
|                 /* Abbreviated name. */
 | |
|                 len = strlen(abday[i]);
 | |
|                 if (arg_strncasecmp(abday[i], bp, len) == 0)
 | |
|                     break;
 | |
|             }
 | |
| 
 | |
|             /* Nothing matched. */
 | |
|             if (i == 7)
 | |
|                 return (0);
 | |
| 
 | |
|             tm->tm_wday = i;
 | |
|             bp += len;
 | |
|             break;
 | |
| 
 | |
|         case 'B': /* The month, using the locale's form. */
 | |
|         case 'b':
 | |
|         case 'h':
 | |
|             LEGAL_ALT(0);
 | |
|             for (i = 0; i < 12; i++) {
 | |
|                 /* Full name. */
 | |
|                 len = strlen(mon[i]);
 | |
|                 if (arg_strncasecmp(mon[i], bp, len) == 0)
 | |
|                     break;
 | |
| 
 | |
|                 /* Abbreviated name. */
 | |
|                 len = strlen(abmon[i]);
 | |
|                 if (arg_strncasecmp(abmon[i], bp, len) == 0)
 | |
|                     break;
 | |
|             }
 | |
| 
 | |
|             /* Nothing matched. */
 | |
|             if (i == 12)
 | |
|                 return (0);
 | |
| 
 | |
|             tm->tm_mon = i;
 | |
|             bp += len;
 | |
|             break;
 | |
| 
 | |
|         case 'C': /* The century number. */
 | |
|             LEGAL_ALT(ALT_E);
 | |
|             if (!(conv_num(&bp, &i, 0, 99)))
 | |
|                 return (0);
 | |
| 
 | |
|             if (split_year) {
 | |
|                 tm->tm_year = (tm->tm_year % 100) + (i * 100);
 | |
|             } else {
 | |
|                 tm->tm_year = i * 100;
 | |
|                 split_year = 1;
 | |
|             }
 | |
|             break;
 | |
| 
 | |
|         case 'd': /* The day of month. */
 | |
|         case 'e':
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             if (!(conv_num(&bp, &tm->tm_mday, 1, 31)))
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'k': /* The hour (24-hour clock representation). */
 | |
|             LEGAL_ALT(0);
 | |
|         /* FALLTHROUGH */
 | |
|         case 'H':
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             if (!(conv_num(&bp, &tm->tm_hour, 0, 23)))
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'l': /* The hour (12-hour clock representation). */
 | |
|             LEGAL_ALT(0);
 | |
|         /* FALLTHROUGH */
 | |
|         case 'I':
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             if (!(conv_num(&bp, &tm->tm_hour, 1, 12)))
 | |
|                 return (0);
 | |
|             if (tm->tm_hour == 12)
 | |
|                 tm->tm_hour = 0;
 | |
|             break;
 | |
| 
 | |
|         case 'j': /* The day of year. */
 | |
|             LEGAL_ALT(0);
 | |
|             if (!(conv_num(&bp, &i, 1, 366)))
 | |
|                 return (0);
 | |
|             tm->tm_yday = i - 1;
 | |
|             break;
 | |
| 
 | |
|         case 'M': /* The minute. */
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             if (!(conv_num(&bp, &tm->tm_min, 0, 59)))
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'm': /* The month. */
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             if (!(conv_num(&bp, &i, 1, 12)))
 | |
|                 return (0);
 | |
|             tm->tm_mon = i - 1;
 | |
|             break;
 | |
| 
 | |
|         case 'p': /* The locale's equivalent of AM/PM. */
 | |
|             LEGAL_ALT(0);
 | |
|             /* AM? */
 | |
|             if (arg_strcasecmp(am_pm[0], bp) == 0) {
 | |
|                 if (tm->tm_hour > 11)
 | |
|                     return (0);
 | |
| 
 | |
|                 bp += strlen(am_pm[0]);
 | |
|                 break;
 | |
|             }
 | |
|             /* PM? */
 | |
|             else if (arg_strcasecmp(am_pm[1], bp) == 0) {
 | |
|                 if (tm->tm_hour > 11)
 | |
|                     return (0);
 | |
| 
 | |
|                 tm->tm_hour += 12;
 | |
|                 bp += strlen(am_pm[1]);
 | |
|                 break;
 | |
|             }
 | |
| 
 | |
|             /* Nothing matched. */
 | |
|             return (0);
 | |
| 
 | |
|         case 'S': /* The seconds. */
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             if (!(conv_num(&bp, &tm->tm_sec, 0, 61)))
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'U': /* The week of year, beginning on sunday. */
 | |
|         case 'W': /* The week of year, beginning on monday. */
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             /*
 | |
|              * XXX This is bogus, as we can not assume any valid
 | |
|              * information present in the tm structure at this
 | |
|              * point to calculate a real value, so just check the
 | |
|              * range for now.
 | |
|              */
 | |
|             if (!(conv_num(&bp, &i, 0, 53)))
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'w': /* The day of week, beginning on sunday. */
 | |
|             LEGAL_ALT(ALT_O);
 | |
|             if (!(conv_num(&bp, &tm->tm_wday, 0, 6)))
 | |
|                 return (0);
 | |
|             break;
 | |
| 
 | |
|         case 'Y': /* The year. */
 | |
|             LEGAL_ALT(ALT_E);
 | |
|             if (!(conv_num(&bp, &i, 0, 9999)))
 | |
|                 return (0);
 | |
| 
 | |
|             tm->tm_year = i - TM_YEAR_BASE;
 | |
|             break;
 | |
| 
 | |
|         case 'y': /* The year within 100 years of the epoch. */
 | |
|             LEGAL_ALT(ALT_E | ALT_O);
 | |
|             if (!(conv_num(&bp, &i, 0, 99)))
 | |
|                 return (0);
 | |
| 
 | |
|             if (split_year) {
 | |
|                 tm->tm_year = ((tm->tm_year / 100) * 100) + i;
 | |
|                 break;
 | |
|             }
 | |
|             split_year = 1;
 | |
|             if (i <= 68)
 | |
|                 tm->tm_year = i + 2000 - TM_YEAR_BASE;
 | |
|             else
 | |
|                 tm->tm_year = i + 1900 - TM_YEAR_BASE;
 | |
|             break;
 | |
| 
 | |
|         /*
 | |
|          * Miscellaneous conversions.
 | |
|          */
 | |
|         case 'n': /* Any kind of white-space. */
 | |
|         case 't':
 | |
|             LEGAL_ALT(0);
 | |
|             while (isspace((int) *bp))
 | |
|                 bp++;
 | |
|             break;
 | |
| 
 | |
| 
 | |
|         default: /* Unknown/unsupported conversion. */
 | |
|             return (0);
 | |
|         }
 | |
| 
 | |
| 
 | |
|     }
 | |
| 
 | |
|     /* LINTED functional specification */
 | |
|     return ((char *)bp);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int conv_num(const char * *buf, int *dest, int llim, int ulim)
 | |
| {
 | |
|     int result = 0;
 | |
| 
 | |
|     /* The limit also determines the number of valid digits. */
 | |
|     int rulim = ulim;
 | |
| 
 | |
|     if (**buf < '0' || **buf > '9')
 | |
|         return (0);
 | |
| 
 | |
|     do {
 | |
|         result *= 10;
 | |
|         result += *(*buf)++ - '0';
 | |
|         rulim /= 10;
 | |
|     } while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9');
 | |
| 
 | |
|     if (result < llim || result > ulim)
 | |
|         return (0);
 | |
| 
 | |
|     *dest = result;
 | |
|     return (1);
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| 
 | |
| static void arg_dbl_resetfn(struct arg_dbl *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_dbl_scanfn(struct arg_dbl *parent, const char *argval)
 | |
| {
 | |
|     int errorcode = 0;
 | |
| 
 | |
|     if (parent->count == parent->hdr.maxcount)
 | |
|     {
 | |
|         /* maximum number of arguments exceeded */
 | |
|         errorcode = EMAXCOUNT;
 | |
|     }
 | |
|     else if (!argval)
 | |
|     {
 | |
|         /* a valid argument with no argument value was given. */
 | |
|         /* This happens when an optional argument value was invoked. */
 | |
|         /* leave parent argument value unaltered but still count the argument. */
 | |
|         parent->count++;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         double val;
 | |
|         char *end;
 | |
| 
 | |
|         /* extract double from argval into val */
 | |
|         val = strtod(argval, &end);
 | |
| 
 | |
|         /* if success then store result in parent->dval[] array otherwise return error*/
 | |
|         if (*end == 0)
 | |
|             parent->dval[parent->count++] = val;
 | |
|         else
 | |
|             errorcode = EBADDOUBLE;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("%s:scanfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_dbl_checkfn(struct arg_dbl *parent)
 | |
| {
 | |
|     int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
 | |
| 
 | |
|     ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void arg_dbl_errorfn(
 | |
|     struct arg_dbl *parent,
 | |
|     FILE *fp,
 | |
|     int errorcode,
 | |
|     const char *argval,
 | |
|     const char *progname)
 | |
| {
 | |
|     const char *shortopts = parent->hdr.shortopts;
 | |
|     const char *longopts  = parent->hdr.longopts;
 | |
|     const char *datatype  = parent->hdr.datatype;
 | |
| 
 | |
|     /* make argval NULL safe */
 | |
|     argval = argval ? argval : "";
 | |
| 
 | |
|     fprintf(fp, "%s: ", progname);
 | |
|     switch(errorcode)
 | |
|     {
 | |
|     case EMINCOUNT:
 | |
|         fputs("missing option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EMAXCOUNT:
 | |
|         fputs("excess option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, argval, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EBADDOUBLE:
 | |
|         fprintf(fp, "invalid argument \"%s\" to option ", argval);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_dbl * arg_dbl0(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_dbln(shortopts, longopts, datatype, 0, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_dbl * arg_dbl1(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_dbln(shortopts, longopts, datatype, 1, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_dbl * arg_dbln(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char *datatype,
 | |
|     int mincount,
 | |
|     int maxcount,
 | |
|     const char *glossary)
 | |
| {
 | |
|     size_t nbytes;
 | |
|     struct arg_dbl *result;
 | |
| 
 | |
|     /* foolproof things by ensuring maxcount is not less than mincount */
 | |
|     maxcount = (maxcount < mincount) ? mincount : maxcount;
 | |
| 
 | |
|     nbytes = sizeof(struct arg_dbl)     /* storage for struct arg_dbl */
 | |
|              + (maxcount + 1) * sizeof(double); /* storage for dval[maxcount] array plus one extra for padding to memory boundary */
 | |
| 
 | |
|     result = (struct arg_dbl *)malloc(nbytes);
 | |
|     if (result)
 | |
|     {
 | |
|         size_t addr;
 | |
|         size_t rem;
 | |
| 
 | |
|         /* init the arg_hdr struct */
 | |
|         result->hdr.flag      = ARG_HASVALUE;
 | |
|         result->hdr.shortopts = shortopts;
 | |
|         result->hdr.longopts  = longopts;
 | |
|         result->hdr.datatype  = datatype ? datatype : "<double>";
 | |
|         result->hdr.glossary  = glossary;
 | |
|         result->hdr.mincount  = mincount;
 | |
|         result->hdr.maxcount  = maxcount;
 | |
|         result->hdr.parent    = result;
 | |
|         result->hdr.resetfn   = (arg_resetfn *)arg_dbl_resetfn;
 | |
|         result->hdr.scanfn    = (arg_scanfn *)arg_dbl_scanfn;
 | |
|         result->hdr.checkfn   = (arg_checkfn *)arg_dbl_checkfn;
 | |
|         result->hdr.errorfn   = (arg_errorfn *)arg_dbl_errorfn;
 | |
| 
 | |
|         /* Store the dval[maxcount] array on the first double boundary that
 | |
|          * immediately follows the arg_dbl struct. We do the memory alignment
 | |
|          * purely for SPARC and Motorola systems. They require floats and
 | |
|          * doubles to be aligned on natural boundaries.
 | |
|          */
 | |
|         addr = (size_t)(result + 1);
 | |
|         rem  = addr % sizeof(double);
 | |
|         result->dval  = (double *)(addr + sizeof(double) - rem);
 | |
|         ARG_TRACE(("addr=%p, dval=%p, sizeof(double)=%d rem=%d\n", addr, result->dval, (int)sizeof(double), (int)rem));
 | |
| 
 | |
|         result->count = 0;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_dbln() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| 
 | |
| static void arg_end_resetfn(struct arg_end *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| static void arg_end_errorfn(
 | |
|     void *parent,
 | |
|     FILE *fp,
 | |
|     int error,
 | |
|     const char *argval,
 | |
|     const char *progname)
 | |
| {
 | |
|     /* suppress unreferenced formal parameter warning */
 | |
|     (void)parent;
 | |
| 
 | |
|     progname = progname ? progname : "";
 | |
|     argval = argval ? argval : "";
 | |
| 
 | |
|     fprintf(fp, "%s: ", progname);
 | |
|     switch(error)
 | |
|     {
 | |
|     case ARG_ELIMIT:
 | |
|         fputs("too many errors to display", fp);
 | |
|         break;
 | |
|     case ARG_EMALLOC:
 | |
|         fputs("insufficent memory", fp);
 | |
|         break;
 | |
|     case ARG_ENOMATCH:
 | |
|         fprintf(fp, "unexpected argument \"%s\"", argval);
 | |
|         break;
 | |
|     case ARG_EMISSARG:
 | |
|         fprintf(fp, "option \"%s\" requires an argument", argval);
 | |
|         break;
 | |
|     case ARG_ELONGOPT:
 | |
|         fprintf(fp, "invalid option \"%s\"", argval);
 | |
|         break;
 | |
|     default:
 | |
|         fprintf(fp, "invalid option \"-%c\"", error);
 | |
|         break;
 | |
|     }
 | |
| 
 | |
|     fputc('\n', fp);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_end * arg_end(int maxcount)
 | |
| {
 | |
|     size_t nbytes;
 | |
|     struct arg_end *result;
 | |
| 
 | |
|     nbytes = sizeof(struct arg_end)
 | |
|              + maxcount * sizeof(int)     /* storage for int error[maxcount] array*/
 | |
|              + maxcount * sizeof(void *)  /* storage for void* parent[maxcount] array */
 | |
|              + maxcount * sizeof(char *); /* storage for char* argval[maxcount] array */
 | |
| 
 | |
|     result = (struct arg_end *)malloc(nbytes);
 | |
|     if (result)
 | |
|     {
 | |
|         /* init the arg_hdr struct */
 | |
|         result->hdr.flag      = ARG_TERMINATOR;
 | |
|         result->hdr.shortopts = NULL;
 | |
|         result->hdr.longopts  = NULL;
 | |
|         result->hdr.datatype  = NULL;
 | |
|         result->hdr.glossary  = NULL;
 | |
|         result->hdr.mincount  = 1;
 | |
|         result->hdr.maxcount  = maxcount;
 | |
|         result->hdr.parent    = result;
 | |
|         result->hdr.resetfn   = (arg_resetfn *)arg_end_resetfn;
 | |
|         result->hdr.scanfn    = NULL;
 | |
|         result->hdr.checkfn   = NULL;
 | |
|         result->hdr.errorfn   = (arg_errorfn *)arg_end_errorfn;
 | |
| 
 | |
|         /* store error[maxcount] array immediately after struct arg_end */
 | |
|         result->error = (int *)(result + 1);
 | |
| 
 | |
|         /* store parent[maxcount] array immediately after error[] array */
 | |
|         result->parent = (void * *)(result->error + maxcount );
 | |
| 
 | |
|         /* store argval[maxcount] array immediately after parent[] array */
 | |
|         result->argval = (const char * *)(result->parent + maxcount );
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_end(%d) returns %p\n", maxcount, result));
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| 
 | |
| void arg_print_errors(FILE * fp, struct arg_end * end, const char * progname)
 | |
| {
 | |
|     int i;
 | |
|     ARG_TRACE(("arg_errors()\n"));
 | |
|     for (i = 0; i < end->count; i++)
 | |
|     {
 | |
|         struct arg_hdr *errorparent = (struct arg_hdr *)(end->parent[i]);
 | |
|         if (errorparent->errorfn)
 | |
|             errorparent->errorfn(end->parent[i],
 | |
|                                  fp,
 | |
|                                  end->error[i],
 | |
|                                  end->argval[i],
 | |
|                                  progname);
 | |
|     }
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <string.h>
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| #ifdef WIN32
 | |
| # define FILESEPARATOR1 '\\'
 | |
| # define FILESEPARATOR2 '/'
 | |
| #else
 | |
| # define FILESEPARATOR1 '/'
 | |
| # define FILESEPARATOR2 '/'
 | |
| #endif
 | |
| 
 | |
| 
 | |
| static void arg_file_resetfn(struct arg_file *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* Returns ptr to the base filename within *filename */
 | |
| static const char * arg_basename(const char *filename)
 | |
| {
 | |
|     const char *result = NULL, *result1, *result2;
 | |
| 
 | |
|     /* Find the last occurrence of eother file separator character. */
 | |
|     /* Two alternative file separator chars are supported as legal  */
 | |
|     /* file separators but not both together in the same filename.  */
 | |
|     result1 = (filename ? strrchr(filename, FILESEPARATOR1) : NULL);
 | |
|     result2 = (filename ? strrchr(filename, FILESEPARATOR2) : NULL);
 | |
| 
 | |
|     if (result2)
 | |
|         result = result2 + 1;  /* using FILESEPARATOR2 (the alternative file separator) */
 | |
| 
 | |
|     if (result1)
 | |
|         result = result1 + 1;  /* using FILESEPARATOR1 (the preferred file separator) */
 | |
| 
 | |
|     if (!result)
 | |
|         result = filename;  /* neither file separator was found so basename is the whole filename */
 | |
| 
 | |
|     /* special cases of "." and ".." are not considered basenames */
 | |
|     if (result && ( strcmp(".", result) == 0 || strcmp("..", result) == 0 ))
 | |
|         result = filename + strlen(filename);
 | |
| 
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* Returns ptr to the file extension within *basename */
 | |
| static const char * arg_extension(const char *basename)
 | |
| {
 | |
|     /* find the last occurrence of '.' in basename */
 | |
|     const char *result = (basename ? strrchr(basename, '.') : NULL);
 | |
| 
 | |
|     /* if no '.' was found then return pointer to end of basename */
 | |
|     if (basename && !result)
 | |
|         result = basename + strlen(basename);
 | |
| 
 | |
|     /* special case: basenames with a single leading dot (eg ".foo") are not considered as true extensions */
 | |
|     if (basename && result == basename)
 | |
|         result = basename + strlen(basename);
 | |
| 
 | |
|     /* special case: empty extensions (eg "foo.","foo..") are not considered as true extensions */
 | |
|     if (basename && result && result[1] == '\0')
 | |
|         result = basename + strlen(basename);
 | |
| 
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_file_scanfn(struct arg_file *parent, const char *argval)
 | |
| {
 | |
|     int errorcode = 0;
 | |
| 
 | |
|     if (parent->count == parent->hdr.maxcount)
 | |
|     {
 | |
|         /* maximum number of arguments exceeded */
 | |
|         errorcode = EMAXCOUNT;
 | |
|     }
 | |
|     else if (!argval)
 | |
|     {
 | |
|         /* a valid argument with no argument value was given. */
 | |
|         /* This happens when an optional argument value was invoked. */
 | |
|         /* leave parent arguiment value unaltered but still count the argument. */
 | |
|         parent->count++;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         parent->filename[parent->count]  = argval;
 | |
|         parent->basename[parent->count]  = arg_basename(argval);
 | |
|         parent->extension[parent->count] =
 | |
|             arg_extension(parent->basename[parent->count]);                                /* only seek extensions within the basename (not the file path)*/
 | |
|         parent->count++;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("%s4:scanfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_file_checkfn(struct arg_file *parent)
 | |
| {
 | |
|     int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
 | |
| 
 | |
|     ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void arg_file_errorfn(
 | |
|     struct arg_file *parent,
 | |
|     FILE *fp,
 | |
|     int errorcode,
 | |
|     const char *argval,
 | |
|     const char *progname)
 | |
| {
 | |
|     const char *shortopts = parent->hdr.shortopts;
 | |
|     const char *longopts  = parent->hdr.longopts;
 | |
|     const char *datatype  = parent->hdr.datatype;
 | |
| 
 | |
|     /* make argval NULL safe */
 | |
|     argval = argval ? argval : "";
 | |
| 
 | |
|     fprintf(fp, "%s: ", progname);
 | |
|     switch(errorcode)
 | |
|     {
 | |
|     case EMINCOUNT:
 | |
|         fputs("missing option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EMAXCOUNT:
 | |
|         fputs("excess option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, argval, "\n");
 | |
|         break;
 | |
| 
 | |
|     default:
 | |
|         fprintf(fp, "unknown error at \"%s\"\n", argval);
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_file * arg_file0(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_filen(shortopts, longopts, datatype, 0, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_file * arg_file1(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_filen(shortopts, longopts, datatype, 1, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_file * arg_filen(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char *datatype,
 | |
|     int mincount,
 | |
|     int maxcount,
 | |
|     const char *glossary)
 | |
| {
 | |
|     size_t nbytes;
 | |
|     struct arg_file *result;
 | |
| 
 | |
|     /* foolproof things by ensuring maxcount is not less than mincount */
 | |
|     maxcount = (maxcount < mincount) ? mincount : maxcount;
 | |
| 
 | |
|     nbytes = sizeof(struct arg_file)      /* storage for struct arg_file */
 | |
|              + sizeof(char *) * maxcount  /* storage for filename[maxcount] array */
 | |
|              + sizeof(char *) * maxcount  /* storage for basename[maxcount] array */
 | |
|              + sizeof(char *) * maxcount; /* storage for extension[maxcount] array */
 | |
| 
 | |
|     result = (struct arg_file *)malloc(nbytes);
 | |
|     if (result)
 | |
|     {
 | |
|         int i;
 | |
| 
 | |
|         /* init the arg_hdr struct */
 | |
|         result->hdr.flag      = ARG_HASVALUE;
 | |
|         result->hdr.shortopts = shortopts;
 | |
|         result->hdr.longopts  = longopts;
 | |
|         result->hdr.glossary  = glossary;
 | |
|         result->hdr.datatype  = datatype ? datatype : "<file>";
 | |
|         result->hdr.mincount  = mincount;
 | |
|         result->hdr.maxcount  = maxcount;
 | |
|         result->hdr.parent    = result;
 | |
|         result->hdr.resetfn   = (arg_resetfn *)arg_file_resetfn;
 | |
|         result->hdr.scanfn    = (arg_scanfn *)arg_file_scanfn;
 | |
|         result->hdr.checkfn   = (arg_checkfn *)arg_file_checkfn;
 | |
|         result->hdr.errorfn   = (arg_errorfn *)arg_file_errorfn;
 | |
| 
 | |
|         /* store the filename,basename,extension arrays immediately after the arg_file struct */
 | |
|         result->filename  = (const char * *)(result + 1);
 | |
|         result->basename  = result->filename + maxcount;
 | |
|         result->extension = result->basename + maxcount;
 | |
|         result->count = 0;
 | |
| 
 | |
|         /* foolproof the string pointers by initialising them with empty strings */
 | |
|         for (i = 0; i < maxcount; i++)
 | |
|         {
 | |
|             result->filename[i] = "";
 | |
|             result->basename[i] = "";
 | |
|             result->extension[i] = "";
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_filen() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| #include <limits.h>
 | |
| #include <ctype.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| 
 | |
| static void arg_int_resetfn(struct arg_int *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* strtol0x() is like strtol() except that the numeric string is    */
 | |
| /* expected to be prefixed by "0X" where X is a user supplied char. */
 | |
| /* The string may optionally be prefixed by white space and + or -  */
 | |
| /* as in +0X123 or -0X123.                                          */
 | |
| /* Once the prefix has been scanned, the remainder of the numeric   */
 | |
| /* string is converted using strtol() with the given base.          */
 | |
| /* eg: to parse hex str="-0X12324", specify X='X' and base=16.      */
 | |
| /* eg: to parse oct str="+0o12324", specify X='O' and base=8.       */
 | |
| /* eg: to parse bin str="-0B01010", specify X='B' and base=2.       */
 | |
| /* Failure of conversion is indicated by result where *endptr==str. */
 | |
| static long int strtol0X(const char * str,
 | |
|                          const char * *endptr,
 | |
|                          char X,
 | |
|                          int base)
 | |
| {
 | |
|     long int val;               /* stores result */
 | |
|     int s = 1;                    /* sign is +1 or -1 */
 | |
|     const char *ptr = str;        /* ptr to current position in str */
 | |
| 
 | |
|     /* skip leading whitespace */
 | |
|     while (isspace((int) *ptr))
 | |
|         ptr++;
 | |
|     /* printf("1) %s\n",ptr); */
 | |
| 
 | |
|     /* scan optional sign character */
 | |
|     switch (*ptr)
 | |
|     {
 | |
|     case '+':
 | |
|         ptr++;
 | |
|         s = 1;
 | |
|         break;
 | |
|     case '-':
 | |
|         ptr++;
 | |
|         s = -1;
 | |
|         break;
 | |
|     default:
 | |
|         s = 1;
 | |
|         break;
 | |
|     }
 | |
|     /* printf("2) %s\n",ptr); */
 | |
| 
 | |
|     /* '0X' prefix */
 | |
|     if ((*ptr++) != '0')
 | |
|     {
 | |
|         /* printf("failed to detect '0'\n"); */
 | |
|         *endptr = str;
 | |
|         return 0;
 | |
|     }
 | |
|     /* printf("3) %s\n",ptr); */
 | |
|     if (toupper((int) *ptr++) != toupper((int) X))
 | |
|     {
 | |
|         /* printf("failed to detect '%c'\n",X); */
 | |
|         *endptr = str;
 | |
|         return 0;
 | |
|     }
 | |
|     /* printf("4) %s\n",ptr); */
 | |
| 
 | |
|     /* attempt conversion on remainder of string using strtol() */
 | |
|     val = strtol(ptr, (char * *)endptr, base);
 | |
|     if (*endptr == ptr)
 | |
|     {
 | |
|         /* conversion failed */
 | |
|         *endptr = str;
 | |
|         return 0;
 | |
|     }
 | |
| 
 | |
|     /* success */
 | |
|     return s * val;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* Returns 1 if str matches suffix (case insensitive).    */
 | |
| /* Str may contain trailing whitespace, but nothing else. */
 | |
| static int detectsuffix(const char *str, const char *suffix)
 | |
| {
 | |
|     /* scan pairwise through strings until mismatch detected */
 | |
|     while( toupper((int) *str) == toupper((int) *suffix) )
 | |
|     {
 | |
|         /* printf("'%c' '%c'\n", *str, *suffix); */
 | |
| 
 | |
|         /* return 1 (success) if match persists until the string terminator */
 | |
|         if (*str == '\0')
 | |
|             return 1;
 | |
| 
 | |
|         /* next chars */
 | |
|         str++;
 | |
|         suffix++;
 | |
|     }
 | |
|     /* printf("'%c' '%c' mismatch\n", *str, *suffix); */
 | |
| 
 | |
|     /* return 0 (fail) if the matching did not consume the entire suffix */
 | |
|     if (*suffix != 0)
 | |
|         return 0;   /* failed to consume entire suffix */
 | |
| 
 | |
|     /* skip any remaining whitespace in str */
 | |
|     while (isspace((int) *str))
 | |
|         str++;
 | |
| 
 | |
|     /* return 1 (success) if we have reached end of str else return 0 (fail) */
 | |
|     return (*str == '\0') ? 1 : 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_int_scanfn(struct arg_int *parent, const char *argval)
 | |
| {
 | |
|     int errorcode = 0;
 | |
| 
 | |
|     if (parent->count == parent->hdr.maxcount)
 | |
|     {
 | |
|         /* maximum number of arguments exceeded */
 | |
|         errorcode = EMAXCOUNT;
 | |
|     }
 | |
|     else if (!argval)
 | |
|     {
 | |
|         /* a valid argument with no argument value was given. */
 | |
|         /* This happens when an optional argument value was invoked. */
 | |
|         /* leave parent arguiment value unaltered but still count the argument. */
 | |
|         parent->count++;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         long int val;
 | |
|         const char *end;
 | |
| 
 | |
|         /* attempt to extract hex integer (eg: +0x123) from argval into val conversion */
 | |
|         val = strtol0X(argval, &end, 'X', 16);
 | |
|         if (end == argval)
 | |
|         {
 | |
|             /* hex failed, attempt octal conversion (eg +0o123) */
 | |
|             val = strtol0X(argval, &end, 'O', 8);
 | |
|             if (end == argval)
 | |
|             {
 | |
|                 /* octal failed, attempt binary conversion (eg +0B101) */
 | |
|                 val = strtol0X(argval, &end, 'B', 2);
 | |
|                 if (end == argval)
 | |
|                 {
 | |
|                     /* binary failed, attempt decimal conversion with no prefix (eg 1234) */
 | |
|                     val = strtol(argval, (char * *)&end, 10);
 | |
|                     if (end == argval)
 | |
|                     {
 | |
|                         /* all supported number formats failed */
 | |
|                         return EBADINT;
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         /* Safety check for integer overflow. WARNING: this check    */
 | |
|         /* achieves nothing on machines where size(int)==size(long). */
 | |
|         if ( val > INT_MAX || val < INT_MIN )
 | |
|             errorcode = EOVERFLOW;
 | |
| 
 | |
|         /* Detect any suffixes (KB,MB,GB) and multiply argument value appropriately. */
 | |
|         /* We need to be mindful of integer overflows when using such big numbers.   */
 | |
|         if (detectsuffix(end, "KB"))             /* kilobytes */
 | |
|         {
 | |
|             if ( val > (INT_MAX / 1024) || val < (INT_MIN / 1024) )
 | |
|                 errorcode = EOVERFLOW;          /* Overflow would occur if we proceed */
 | |
|             else
 | |
|                 val *= 1024;                    /* 1KB = 1024 */
 | |
|         }
 | |
|         else if (detectsuffix(end, "MB"))        /* megabytes */
 | |
|         {
 | |
|             if ( val > (INT_MAX / 1048576) || val < (INT_MIN / 1048576) )
 | |
|                 errorcode = EOVERFLOW;          /* Overflow would occur if we proceed */
 | |
|             else
 | |
|                 val *= 1048576;                 /* 1MB = 1024*1024 */
 | |
|         }
 | |
|         else if (detectsuffix(end, "GB"))        /* gigabytes */
 | |
|         {
 | |
|             if ( val > (INT_MAX / 1073741824) || val < (INT_MIN / 1073741824) )
 | |
|                 errorcode = EOVERFLOW;          /* Overflow would occur if we proceed */
 | |
|             else
 | |
|                 val *= 1073741824;              /* 1GB = 1024*1024*1024 */
 | |
|         }
 | |
|         else if (!detectsuffix(end, ""))
 | |
|             errorcode = EBADINT;                /* invalid suffix detected */
 | |
| 
 | |
|         /* if success then store result in parent->ival[] array */
 | |
|         if (errorcode == 0)
 | |
|             parent->ival[parent->count++] = val;
 | |
|     }
 | |
| 
 | |
|     /* printf("%s:scanfn(%p,%p) returns %d\n",__FILE__,parent,argval,errorcode); */
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_int_checkfn(struct arg_int *parent)
 | |
| {
 | |
|     int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
 | |
|     /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void arg_int_errorfn(
 | |
|     struct arg_int *parent,
 | |
|     FILE *fp,
 | |
|     int errorcode,
 | |
|     const char *argval,
 | |
|     const char *progname)
 | |
| {
 | |
|     const char *shortopts = parent->hdr.shortopts;
 | |
|     const char *longopts  = parent->hdr.longopts;
 | |
|     const char *datatype  = parent->hdr.datatype;
 | |
| 
 | |
|     /* make argval NULL safe */
 | |
|     argval = argval ? argval : "";
 | |
| 
 | |
|     fprintf(fp, "%s: ", progname);
 | |
|     switch(errorcode)
 | |
|     {
 | |
|     case EMINCOUNT:
 | |
|         fputs("missing option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EMAXCOUNT:
 | |
|         fputs("excess option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, argval, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EBADINT:
 | |
|         fprintf(fp, "invalid argument \"%s\" to option ", argval);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EOVERFLOW:
 | |
|         fputs("integer overflow at option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, " ");
 | |
|         fprintf(fp, "(%s is too large)\n", argval);
 | |
|         break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_int * arg_int0(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_intn(shortopts, longopts, datatype, 0, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_int * arg_int1(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_intn(shortopts, longopts, datatype, 1, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_int * arg_intn(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     const char *datatype,
 | |
|     int mincount,
 | |
|     int maxcount,
 | |
|     const char *glossary)
 | |
| {
 | |
|     size_t nbytes;
 | |
|     struct arg_int *result;
 | |
| 
 | |
|     /* foolproof things by ensuring maxcount is not less than mincount */
 | |
|     maxcount = (maxcount < mincount) ? mincount : maxcount;
 | |
| 
 | |
|     nbytes = sizeof(struct arg_int)    /* storage for struct arg_int */
 | |
|              + maxcount * sizeof(int); /* storage for ival[maxcount] array */
 | |
| 
 | |
|     result = (struct arg_int *)malloc(nbytes);
 | |
|     if (result)
 | |
|     {
 | |
|         /* init the arg_hdr struct */
 | |
|         result->hdr.flag      = ARG_HASVALUE;
 | |
|         result->hdr.shortopts = shortopts;
 | |
|         result->hdr.longopts  = longopts;
 | |
|         result->hdr.datatype  = datatype ? datatype : "<int>";
 | |
|         result->hdr.glossary  = glossary;
 | |
|         result->hdr.mincount  = mincount;
 | |
|         result->hdr.maxcount  = maxcount;
 | |
|         result->hdr.parent    = result;
 | |
|         result->hdr.resetfn   = (arg_resetfn *)arg_int_resetfn;
 | |
|         result->hdr.scanfn    = (arg_scanfn *)arg_int_scanfn;
 | |
|         result->hdr.checkfn   = (arg_checkfn *)arg_int_checkfn;
 | |
|         result->hdr.errorfn   = (arg_errorfn *)arg_int_errorfn;
 | |
| 
 | |
|         /* store the ival[maxcount] array immediately after the arg_int struct */
 | |
|         result->ival  = (int *)(result + 1);
 | |
|         result->count = 0;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_intn() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| 
 | |
| static void arg_lit_resetfn(struct arg_lit *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_lit_scanfn(struct arg_lit *parent, const char *argval)
 | |
| {
 | |
|     int errorcode = 0;
 | |
|     if (parent->count < parent->hdr.maxcount )
 | |
|         parent->count++;
 | |
|     else
 | |
|         errorcode = EMAXCOUNT;
 | |
| 
 | |
|     ARG_TRACE(("%s:scanfn(%p,%s) returns %d\n", __FILE__, parent, argval,
 | |
|                errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_lit_checkfn(struct arg_lit *parent)
 | |
| {
 | |
|     int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
 | |
|     ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void arg_lit_errorfn(
 | |
|     struct arg_lit *parent,
 | |
|     FILE *fp,
 | |
|     int errorcode,
 | |
|     const char *argval,
 | |
|     const char *progname)
 | |
| {
 | |
|     const char *shortopts = parent->hdr.shortopts;
 | |
|     const char *longopts  = parent->hdr.longopts;
 | |
|     const char *datatype  = parent->hdr.datatype;
 | |
| 
 | |
|     switch(errorcode)
 | |
|     {
 | |
|     case EMINCOUNT:
 | |
|         fprintf(fp, "%s: missing option ", progname);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         fprintf(fp, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EMAXCOUNT:
 | |
|         fprintf(fp, "%s: extraneous option ", progname);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("%s:errorfn(%p, %p, %d, %s, %s)\n", __FILE__, parent, fp,
 | |
|                errorcode, argval, progname));
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_lit * arg_lit0(
 | |
|     const char * shortopts,
 | |
|     const char * longopts,
 | |
|     const char * glossary)
 | |
| {
 | |
|     return arg_litn(shortopts, longopts, 0, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_lit * arg_lit1(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_litn(shortopts, longopts, 1, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_lit * arg_litn(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     int mincount,
 | |
|     int maxcount,
 | |
|     const char *glossary)
 | |
| {
 | |
|     struct arg_lit *result;
 | |
| 
 | |
|     /* foolproof things by ensuring maxcount is not less than mincount */
 | |
|     maxcount = (maxcount < mincount) ? mincount : maxcount;
 | |
| 
 | |
|     result = (struct arg_lit *)malloc(sizeof(struct arg_lit));
 | |
|     if (result)
 | |
|     {
 | |
|         /* init the arg_hdr struct */
 | |
|         result->hdr.flag      = 0;
 | |
|         result->hdr.shortopts = shortopts;
 | |
|         result->hdr.longopts  = longopts;
 | |
|         result->hdr.datatype  = NULL;
 | |
|         result->hdr.glossary  = glossary;
 | |
|         result->hdr.mincount  = mincount;
 | |
|         result->hdr.maxcount  = maxcount;
 | |
|         result->hdr.parent    = result;
 | |
|         result->hdr.resetfn   = (arg_resetfn *)arg_lit_resetfn;
 | |
|         result->hdr.scanfn    = (arg_scanfn *)arg_lit_scanfn;
 | |
|         result->hdr.checkfn   = (arg_checkfn *)arg_lit_checkfn;
 | |
|         result->hdr.errorfn   = (arg_errorfn *)arg_lit_errorfn;
 | |
| 
 | |
|         /* init local variables */
 | |
|         result->count = 0;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_litn() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| struct arg_rem *arg_rem(const char *datatype, const char *glossary)
 | |
| {
 | |
|     struct arg_rem *result = (struct arg_rem *)malloc(sizeof(struct arg_rem));
 | |
|     if (result)
 | |
|     {
 | |
|         result->hdr.flag = 0;
 | |
|         result->hdr.shortopts = NULL;
 | |
|         result->hdr.longopts = NULL;
 | |
|         result->hdr.datatype = datatype;
 | |
|         result->hdr.glossary = glossary;
 | |
|         result->hdr.mincount = 1;
 | |
|         result->hdr.maxcount = 1;
 | |
|         result->hdr.parent = result;
 | |
|         result->hdr.resetfn = NULL;
 | |
|         result->hdr.scanfn = NULL;
 | |
|         result->hdr.checkfn = NULL;
 | |
|         result->hdr.errorfn = NULL;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_rem() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| #include <string.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| 
 | |
| #ifndef _TREX_H_
 | |
| #define _TREX_H_
 | |
| /***************************************************************
 | |
| 	T-Rex a tiny regular expression library
 | |
| 
 | |
| 	Copyright (C) 2003-2006 Alberto Demichelis
 | |
| 
 | |
| 	This software is provided 'as-is', without any express
 | |
| 	or implied warranty. In no event will the authors be held
 | |
| 	liable for any damages arising from the use of this software.
 | |
| 
 | |
| 	Permission is granted to anyone to use this software for
 | |
| 	any purpose, including commercial applications, and to alter
 | |
| 	it and redistribute it freely, subject to the following restrictions:
 | |
| 
 | |
| 		1. The origin of this software must not be misrepresented;
 | |
| 		you must not claim that you wrote the original software.
 | |
| 		If you use this software in a product, an acknowledgment
 | |
| 		in the product documentation would be appreciated but
 | |
| 		is not required.
 | |
| 
 | |
| 		2. Altered source versions must be plainly marked as such,
 | |
| 		and must not be misrepresented as being the original software.
 | |
| 
 | |
| 		3. This notice may not be removed or altered from any
 | |
| 		source distribution.
 | |
| 
 | |
| ****************************************************************/
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| extern "C" {
 | |
| #endif
 | |
| 
 | |
| #ifdef _UNICODE
 | |
| #define TRexChar unsigned short
 | |
| #define MAX_CHAR 0xFFFF
 | |
| #define _TREXC(c) L##c
 | |
| #define trex_strlen wcslen
 | |
| #define trex_printf wprintf
 | |
| #else
 | |
| #define TRexChar char
 | |
| #define MAX_CHAR 0xFF
 | |
| #define _TREXC(c) (c)
 | |
| #define trex_strlen strlen
 | |
| #define trex_printf printf
 | |
| #endif
 | |
| 
 | |
| #ifndef TREX_API
 | |
| #define TREX_API extern
 | |
| #endif
 | |
| 
 | |
| #define TRex_True 1
 | |
| #define TRex_False 0
 | |
| 
 | |
| #define TREX_ICASE ARG_REX_ICASE
 | |
| 
 | |
| typedef unsigned int TRexBool;
 | |
| typedef struct TRex TRex;
 | |
| 
 | |
| typedef struct {
 | |
| 	const TRexChar *begin;
 | |
| 	int len;
 | |
| } TRexMatch;
 | |
| 
 | |
| TREX_API TRex *trex_compile(const TRexChar *pattern, const TRexChar **error, int flags);
 | |
| TREX_API void trex_free(TRex *exp);
 | |
| TREX_API TRexBool trex_match(TRex* exp, const TRexChar* text);
 | |
| TREX_API TRexBool trex_search(TRex* exp, const TRexChar* text, const TRexChar** out_begin, const TRexChar** out_end);
 | |
| TREX_API TRexBool trex_searchrange(TRex* exp, const TRexChar* text_begin, const TRexChar* text_end, const TRexChar** out_begin, const TRexChar** out_end);
 | |
| TREX_API int trex_getsubexpcount(TRex* exp);
 | |
| TREX_API TRexBool trex_getsubexp(TRex* exp, int n, TRexMatch *subexp);
 | |
| 
 | |
| #ifdef __cplusplus
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| 
 | |
| struct privhdr
 | |
| {
 | |
|     const char *pattern;
 | |
|     int flags;
 | |
| };
 | |
| 
 | |
| 
 | |
| static void arg_rex_resetfn(struct arg_rex *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| static int arg_rex_scanfn(struct arg_rex *parent, const char *argval)
 | |
| {
 | |
|     int errorcode = 0;
 | |
|     const TRexChar *error = NULL;
 | |
|     TRex *rex = NULL;
 | |
|     TRexBool is_match = TRex_False;
 | |
| 
 | |
|     if (parent->count == parent->hdr.maxcount )
 | |
|     {
 | |
|         /* maximum number of arguments exceeded */
 | |
|         errorcode = EMAXCOUNT;
 | |
|     }
 | |
|     else if (!argval)
 | |
|     {
 | |
|         /* a valid argument with no argument value was given. */
 | |
|         /* This happens when an optional argument value was invoked. */
 | |
|         /* leave parent argument value unaltered but still count the argument. */
 | |
|         parent->count++;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         struct privhdr *priv = (struct privhdr *)parent->hdr.priv;
 | |
| 
 | |
|         /* test the current argument value for a match with the regular expression */
 | |
|         /* if a match is detected, record the argument value in the arg_rex struct */
 | |
| 
 | |
|         rex = trex_compile(priv->pattern, &error, priv->flags);
 | |
|         is_match = trex_match(rex, argval);
 | |
|         if (!is_match)
 | |
|             errorcode = EREGNOMATCH;
 | |
|         else
 | |
|             parent->sval[parent->count++] = argval;
 | |
| 
 | |
|         trex_free(rex);
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("%s:scanfn(%p) returns %d\n",__FILE__,parent,errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| static int arg_rex_checkfn(struct arg_rex *parent)
 | |
| {
 | |
|     int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
 | |
|     //struct privhdr *priv = (struct privhdr*)parent->hdr.priv;
 | |
| 
 | |
|     /* free the regex "program" we constructed in resetfn */
 | |
|     //regfree(&(priv->regex));
 | |
| 
 | |
|     /*printf("%s:checkfn(%p) returns %d\n",__FILE__,parent,errorcode);*/
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| static void arg_rex_errorfn(struct arg_rex *parent,
 | |
|                     FILE *fp,
 | |
|                     int errorcode,
 | |
|                     const char *argval,
 | |
|                     const char *progname)
 | |
| {
 | |
|     const char *shortopts = parent->hdr.shortopts;
 | |
|     const char *longopts  = parent->hdr.longopts;
 | |
|     const char *datatype  = parent->hdr.datatype;
 | |
| 
 | |
|     /* make argval NULL safe */
 | |
|     argval = argval ? argval : "";
 | |
| 
 | |
|     fprintf(fp, "%s: ", progname);
 | |
|     switch(errorcode)
 | |
|     {
 | |
|     case EMINCOUNT:
 | |
|         fputs("missing option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EMAXCOUNT:
 | |
|         fputs("excess option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, argval, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EREGNOMATCH:
 | |
|         fputs("illegal value  ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, argval, "\n");
 | |
|         break;
 | |
| 
 | |
|     default:
 | |
|     {
 | |
|         //char errbuff[256];
 | |
|         //regerror(errorcode, NULL, errbuff, sizeof(errbuff));
 | |
|         //printf("%s\n", errbuff);
 | |
|     }
 | |
|     break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_rex * arg_rex0(const char * shortopts,
 | |
|                           const char * longopts,
 | |
|                           const char * pattern,
 | |
|                           const char *datatype,
 | |
|                           int flags,
 | |
|                           const char *glossary)
 | |
| {
 | |
|     return arg_rexn(shortopts,
 | |
|                     longopts,
 | |
|                     pattern,
 | |
|                     datatype,
 | |
|                     0,
 | |
|                     1,
 | |
|                     flags,
 | |
|                     glossary);
 | |
| }
 | |
| 
 | |
| struct arg_rex * arg_rex1(const char * shortopts,
 | |
|                           const char * longopts,
 | |
|                           const char * pattern,
 | |
|                           const char *datatype,
 | |
|                           int flags,
 | |
|                           const char *glossary)
 | |
| {
 | |
|     return arg_rexn(shortopts,
 | |
|                     longopts,
 | |
|                     pattern,
 | |
|                     datatype,
 | |
|                     1,
 | |
|                     1,
 | |
|                     flags,
 | |
|                     glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_rex * arg_rexn(const char * shortopts,
 | |
|                           const char * longopts,
 | |
|                           const char * pattern,
 | |
|                           const char *datatype,
 | |
|                           int mincount,
 | |
|                           int maxcount,
 | |
|                           int flags,
 | |
|                           const char *glossary)
 | |
| {
 | |
|     size_t nbytes;
 | |
|     struct arg_rex *result;
 | |
|     struct privhdr *priv;
 | |
|     int i;
 | |
|     const TRexChar *error = NULL;
 | |
|     TRex *rex = NULL;
 | |
| 
 | |
|     if (!pattern)
 | |
|     {
 | |
|         printf(
 | |
|             "argtable: ERROR - illegal regular expression pattern \"(NULL)\"\n");
 | |
|         printf("argtable: Bad argument table.\n");
 | |
|         return NULL;
 | |
|     }
 | |
| 
 | |
|     /* foolproof things by ensuring maxcount is not less than mincount */
 | |
|     maxcount = (maxcount < mincount) ? mincount : maxcount;
 | |
| 
 | |
|     nbytes = sizeof(struct arg_rex)       /* storage for struct arg_rex */
 | |
|              + sizeof(struct privhdr)     /* storage for private arg_rex data */
 | |
|              + maxcount * sizeof(char *);  /* storage for sval[maxcount] array */
 | |
| 
 | |
|     result = (struct arg_rex *)malloc(nbytes);
 | |
|     if (result == NULL)
 | |
|         return result;
 | |
| 
 | |
|     /* init the arg_hdr struct */
 | |
|     result->hdr.flag      = ARG_HASVALUE;
 | |
|     result->hdr.shortopts = shortopts;
 | |
|     result->hdr.longopts  = longopts;
 | |
|     result->hdr.datatype  = datatype ? datatype : pattern;
 | |
|     result->hdr.glossary  = glossary;
 | |
|     result->hdr.mincount  = mincount;
 | |
|     result->hdr.maxcount  = maxcount;
 | |
|     result->hdr.parent    = result;
 | |
|     result->hdr.resetfn   = (arg_resetfn *)arg_rex_resetfn;
 | |
|     result->hdr.scanfn    = (arg_scanfn *)arg_rex_scanfn;
 | |
|     result->hdr.checkfn   = (arg_checkfn *)arg_rex_checkfn;
 | |
|     result->hdr.errorfn   = (arg_errorfn *)arg_rex_errorfn;
 | |
| 
 | |
|     /* store the arg_rex_priv struct immediately after the arg_rex struct */
 | |
|     result->hdr.priv  = result + 1;
 | |
|     priv = (struct privhdr *)(result->hdr.priv);
 | |
|     priv->pattern = pattern;
 | |
|     priv->flags = flags;
 | |
| 
 | |
|     /* store the sval[maxcount] array immediately after the arg_rex_priv struct */
 | |
|     result->sval  = (const char * *)(priv + 1);
 | |
|     result->count = 0;
 | |
| 
 | |
|     /* foolproof the string pointers by initializing them to reference empty strings */
 | |
|     for (i = 0; i < maxcount; i++)
 | |
|         result->sval[i] = "";
 | |
| 
 | |
|     /* here we construct and destroy a regex representation of the regular
 | |
|      * expression for no other reason than to force any regex errors to be
 | |
|      * trapped now rather than later. If we don't, then errors may go undetected
 | |
|      * until an argument is actually parsed.
 | |
|      */
 | |
| 
 | |
|     rex = trex_compile(priv->pattern, &error, priv->flags);
 | |
|     if (rex == NULL)
 | |
|     {
 | |
|         ARG_LOG(("argtable: %s \"%s\"\n", error ? error : _TREXC("undefined"), priv->pattern));
 | |
|         ARG_LOG(("argtable: Bad argument table.\n"));
 | |
|     }
 | |
| 
 | |
|     trex_free(rex);
 | |
| 
 | |
|     ARG_TRACE(("arg_rexn() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /* see copyright notice in trex.h */
 | |
| #include <string.h>
 | |
| #include <stdlib.h>
 | |
| #include <ctype.h>
 | |
| #include <setjmp.h>
 | |
| 
 | |
| #ifdef _UINCODE
 | |
| #define scisprint iswprint
 | |
| #define scstrlen wcslen
 | |
| #define scprintf wprintf
 | |
| #define _SC(x) L(x)
 | |
| #else
 | |
| #define scisprint isprint
 | |
| #define scstrlen strlen
 | |
| #define scprintf printf
 | |
| #define _SC(x) (x)
 | |
| #endif
 | |
| 
 | |
| #ifdef _DEBUG
 | |
| #include <stdio.h>
 | |
| 
 | |
| static const TRexChar *g_nnames[] =
 | |
| {
 | |
| 	_SC("NONE"),_SC("OP_GREEDY"),	_SC("OP_OR"),
 | |
| 	_SC("OP_EXPR"),_SC("OP_NOCAPEXPR"),_SC("OP_DOT"),	_SC("OP_CLASS"),
 | |
| 	_SC("OP_CCLASS"),_SC("OP_NCLASS"),_SC("OP_RANGE"),_SC("OP_CHAR"),
 | |
| 	_SC("OP_EOL"),_SC("OP_BOL"),_SC("OP_WB")
 | |
| };
 | |
| 
 | |
| #endif
 | |
| #define OP_GREEDY		(MAX_CHAR+1) // * + ? {n}
 | |
| #define OP_OR			(MAX_CHAR+2)
 | |
| #define OP_EXPR			(MAX_CHAR+3) //parentesis ()
 | |
| #define OP_NOCAPEXPR	(MAX_CHAR+4) //parentesis (?:)
 | |
| #define OP_DOT			(MAX_CHAR+5)
 | |
| #define OP_CLASS		(MAX_CHAR+6)
 | |
| #define OP_CCLASS		(MAX_CHAR+7)
 | |
| #define OP_NCLASS		(MAX_CHAR+8) //negates class the [^
 | |
| #define OP_RANGE		(MAX_CHAR+9)
 | |
| #define OP_CHAR			(MAX_CHAR+10)
 | |
| #define OP_EOL			(MAX_CHAR+11)
 | |
| #define OP_BOL			(MAX_CHAR+12)
 | |
| #define OP_WB			(MAX_CHAR+13)
 | |
| 
 | |
| #define TREX_SYMBOL_ANY_CHAR ('.')
 | |
| #define TREX_SYMBOL_GREEDY_ONE_OR_MORE ('+')
 | |
| #define TREX_SYMBOL_GREEDY_ZERO_OR_MORE ('*')
 | |
| #define TREX_SYMBOL_GREEDY_ZERO_OR_ONE ('?')
 | |
| #define TREX_SYMBOL_BRANCH ('|')
 | |
| #define TREX_SYMBOL_END_OF_STRING ('$')
 | |
| #define TREX_SYMBOL_BEGINNING_OF_STRING ('^')
 | |
| #define TREX_SYMBOL_ESCAPE_CHAR ('\\')
 | |
| 
 | |
| 
 | |
| typedef int TRexNodeType;
 | |
| 
 | |
| typedef struct tagTRexNode{
 | |
| 	TRexNodeType type;
 | |
| 	int left;
 | |
| 	int right;
 | |
| 	int next;
 | |
| }TRexNode;
 | |
| 
 | |
| struct TRex{
 | |
| 	const TRexChar *_eol;
 | |
| 	const TRexChar *_bol;
 | |
| 	const TRexChar *_p;
 | |
| 	int _first;
 | |
| 	int _op;
 | |
| 	TRexNode *_nodes;
 | |
| 	int _nallocated;
 | |
| 	int _nsize;
 | |
| 	int _nsubexpr;
 | |
| 	TRexMatch *_matches;
 | |
| 	int _currsubexp;
 | |
| 	void *_jmpbuf;
 | |
| 	const TRexChar **_error;
 | |
| 	int _flags;
 | |
| };
 | |
| 
 | |
| static int trex_list(TRex *exp);
 | |
| 
 | |
| static int trex_newnode(TRex *exp, TRexNodeType type)
 | |
| {
 | |
| 	TRexNode n;
 | |
| 	int newid;
 | |
| 	n.type = type;
 | |
| 	n.next = n.right = n.left = -1;
 | |
| 	if(type == OP_EXPR)
 | |
| 		n.right = exp->_nsubexpr++;
 | |
| 	if(exp->_nallocated < (exp->_nsize + 1)) {
 | |
| 		exp->_nallocated *= 2;
 | |
| 		exp->_nodes = (TRexNode *)realloc(exp->_nodes, exp->_nallocated * sizeof(TRexNode));
 | |
| 	}
 | |
| 	exp->_nodes[exp->_nsize++] = n; // NOLINT(clang-analyzer-unix.Malloc)
 | |
| 	newid = exp->_nsize - 1;
 | |
| 	return (int)newid;
 | |
| }
 | |
| 
 | |
| static void trex_error(TRex *exp,const TRexChar *error)
 | |
| {
 | |
| 	if(exp->_error) *exp->_error = error;
 | |
| 	longjmp(*((jmp_buf*)exp->_jmpbuf),-1);
 | |
| }
 | |
| 
 | |
| static void trex_expect(TRex *exp, int n){
 | |
| 	if((*exp->_p) != n)
 | |
| 		trex_error(exp, _SC("expected paren"));
 | |
| 	exp->_p++;
 | |
| }
 | |
| 
 | |
| static TRexChar trex_escapechar(TRex *exp)
 | |
| {
 | |
| 	if(*exp->_p == TREX_SYMBOL_ESCAPE_CHAR){
 | |
| 		exp->_p++;
 | |
| 		switch(*exp->_p) {
 | |
| 		case 'v': exp->_p++; return '\v';
 | |
| 		case 'n': exp->_p++; return '\n';
 | |
| 		case 't': exp->_p++; return '\t';
 | |
| 		case 'r': exp->_p++; return '\r';
 | |
| 		case 'f': exp->_p++; return '\f';
 | |
| 		default: return (*exp->_p++);
 | |
| 		}
 | |
| 	} else if(!scisprint((int) *exp->_p)) trex_error(exp,_SC("letter expected"));
 | |
| 	return (*exp->_p++);
 | |
| }
 | |
| 
 | |
| static int trex_charclass(TRex *exp,int classid)
 | |
| {
 | |
| 	int n = trex_newnode(exp,OP_CCLASS);
 | |
| 	exp->_nodes[n].left = classid;
 | |
| 	return n;
 | |
| }
 | |
| 
 | |
| static int trex_charnode(TRex *exp,TRexBool isclass)
 | |
| {
 | |
| 	TRexChar t;
 | |
| 	if(*exp->_p == TREX_SYMBOL_ESCAPE_CHAR) {
 | |
| 		exp->_p++;
 | |
| 		switch(*exp->_p) {
 | |
| 			case 'n': exp->_p++; return trex_newnode(exp,'\n');
 | |
| 			case 't': exp->_p++; return trex_newnode(exp,'\t');
 | |
| 			case 'r': exp->_p++; return trex_newnode(exp,'\r');
 | |
| 			case 'f': exp->_p++; return trex_newnode(exp,'\f');
 | |
| 			case 'v': exp->_p++; return trex_newnode(exp,'\v');
 | |
| 			case 'a': case 'A': case 'w': case 'W': case 's': case 'S':
 | |
| 			case 'd': case 'D': case 'x': case 'X': case 'c': case 'C':
 | |
| 			case 'p': case 'P': case 'l': case 'u':
 | |
| 				{
 | |
| 				t = *exp->_p; exp->_p++;
 | |
| 				return trex_charclass(exp,t);
 | |
| 				}
 | |
| 			case 'b':
 | |
| 			case 'B':
 | |
| 				if(!isclass) {
 | |
| 					int node = trex_newnode(exp,OP_WB);
 | |
| 					exp->_nodes[node].left = *exp->_p;
 | |
| 					exp->_p++;
 | |
| 					return node;
 | |
| 				} //else default
 | |
| 				/* falls through */
 | |
| 			default:
 | |
| 				t = *exp->_p; exp->_p++;
 | |
| 				return trex_newnode(exp,t);
 | |
| 		}
 | |
| 	}
 | |
| 	else if(!scisprint((int) *exp->_p)) {
 | |
| 
 | |
| 		trex_error(exp,_SC("letter expected"));
 | |
| 	}
 | |
| 	t = *exp->_p; exp->_p++;
 | |
| 	return trex_newnode(exp,t);
 | |
| }
 | |
| static int trex_class(TRex *exp)
 | |
| {
 | |
| 	int ret = -1;
 | |
| 	int first = -1,chain;
 | |
| 	if(*exp->_p == TREX_SYMBOL_BEGINNING_OF_STRING){
 | |
| 		ret = trex_newnode(exp,OP_NCLASS);
 | |
| 		exp->_p++;
 | |
| 	}else ret = trex_newnode(exp,OP_CLASS);
 | |
| 
 | |
| 	if(*exp->_p == ']') trex_error(exp,_SC("empty class"));
 | |
| 	chain = ret;
 | |
| 	while(*exp->_p != ']' && exp->_p != exp->_eol) {
 | |
| 		if(*exp->_p == '-' && first != -1){
 | |
| 			int r,t;
 | |
| 			if(*exp->_p++ == ']') trex_error(exp,_SC("unfinished range"));
 | |
| 			r = trex_newnode(exp,OP_RANGE);
 | |
| 			if(first>*exp->_p) trex_error(exp,_SC("invalid range"));
 | |
| 			if(exp->_nodes[first].type == OP_CCLASS) trex_error(exp,_SC("cannot use character classes in ranges"));
 | |
| 			exp->_nodes[r].left = exp->_nodes[first].type;
 | |
| 			t = trex_escapechar(exp);
 | |
| 			exp->_nodes[r].right = t;
 | |
|             exp->_nodes[chain].next = r;
 | |
| 			chain = r;
 | |
| 			first = -1;
 | |
| 		}
 | |
| 		else{
 | |
| 			if(first!=-1){
 | |
| 				int c = first;
 | |
| 				exp->_nodes[chain].next = c;
 | |
| 				chain = c;
 | |
| 				first = trex_charnode(exp,TRex_True);
 | |
| 			}
 | |
| 			else{
 | |
| 				first = trex_charnode(exp,TRex_True);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	if(first!=-1){
 | |
| 		int c = first;
 | |
| 		exp->_nodes[chain].next = c;
 | |
| 		chain = c;
 | |
| 		first = -1;
 | |
| 	}
 | |
| 	/* hack? */
 | |
| 	exp->_nodes[ret].left = exp->_nodes[ret].next;
 | |
| 	exp->_nodes[ret].next = -1;
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int trex_parsenumber(TRex *exp)
 | |
| {
 | |
| 	int ret = *exp->_p-'0';
 | |
| 	int positions = 10;
 | |
| 	exp->_p++;
 | |
| 	while(isdigit((int) *exp->_p)) {
 | |
| 		ret = ret*10+(*exp->_p++-'0');
 | |
| 		if(positions==1000000000) trex_error(exp,_SC("overflow in numeric constant"));
 | |
| 		positions *= 10;
 | |
| 	};
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int trex_element(TRex *exp)
 | |
| {
 | |
| 	int ret = -1;
 | |
| 	switch(*exp->_p)
 | |
| 	{
 | |
| 	case '(': {
 | |
| 		int expr,newn;
 | |
| 		exp->_p++;
 | |
| 
 | |
| 
 | |
| 		if(*exp->_p =='?') {
 | |
| 			exp->_p++;
 | |
| 			trex_expect(exp,':');
 | |
| 			expr = trex_newnode(exp,OP_NOCAPEXPR);
 | |
| 		}
 | |
| 		else
 | |
| 			expr = trex_newnode(exp,OP_EXPR);
 | |
| 		newn = trex_list(exp);
 | |
| 		exp->_nodes[expr].left = newn;
 | |
| 		ret = expr;
 | |
| 		trex_expect(exp,')');
 | |
| 			  }
 | |
| 			  break;
 | |
| 	case '[':
 | |
| 		exp->_p++;
 | |
| 		ret = trex_class(exp);
 | |
| 		trex_expect(exp,']');
 | |
| 		break;
 | |
| 	case TREX_SYMBOL_END_OF_STRING: exp->_p++; ret = trex_newnode(exp,OP_EOL);break;
 | |
| 	case TREX_SYMBOL_ANY_CHAR: exp->_p++; ret = trex_newnode(exp,OP_DOT);break;
 | |
| 	default:
 | |
| 		ret = trex_charnode(exp,TRex_False);
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	{
 | |
| 		TRexBool isgreedy = TRex_False;
 | |
| 		unsigned short p0 = 0, p1 = 0;
 | |
| 		switch(*exp->_p){
 | |
| 			case TREX_SYMBOL_GREEDY_ZERO_OR_MORE: p0 = 0; p1 = 0xFFFF; exp->_p++; isgreedy = TRex_True; break;
 | |
| 			case TREX_SYMBOL_GREEDY_ONE_OR_MORE: p0 = 1; p1 = 0xFFFF; exp->_p++; isgreedy = TRex_True; break;
 | |
| 			case TREX_SYMBOL_GREEDY_ZERO_OR_ONE: p0 = 0; p1 = 1; exp->_p++; isgreedy = TRex_True; break;
 | |
| 			case '{':
 | |
| 				exp->_p++;
 | |
| 				if(!isdigit((int) *exp->_p)) trex_error(exp,_SC("number expected"));
 | |
| 				p0 = (unsigned short)trex_parsenumber(exp);
 | |
| 				/*******************************/
 | |
| 				switch(*exp->_p) {
 | |
| 			case '}':
 | |
| 				p1 = p0; exp->_p++;
 | |
| 				break;
 | |
| 			case ',':
 | |
| 				exp->_p++;
 | |
| 				p1 = 0xFFFF;
 | |
| 				if(isdigit((int) *exp->_p)){
 | |
| 					p1 = (unsigned short)trex_parsenumber(exp);
 | |
| 				}
 | |
| 				trex_expect(exp,'}');
 | |
| 				break;
 | |
| 			default:
 | |
| 				trex_error(exp,_SC(", or } expected"));
 | |
| 		}
 | |
| 		/*******************************/
 | |
| 		isgreedy = TRex_True;
 | |
| 		break;
 | |
| 
 | |
| 		}
 | |
| 		if(isgreedy) {
 | |
| 			int nnode = trex_newnode(exp,OP_GREEDY);
 | |
| 			exp->_nodes[nnode].left = ret;
 | |
| 			exp->_nodes[nnode].right = ((p0)<<16)|p1;
 | |
| 			ret = nnode;
 | |
| 		}
 | |
| 	}
 | |
| 	if((*exp->_p != TREX_SYMBOL_BRANCH) && (*exp->_p != ')') && (*exp->_p != TREX_SYMBOL_GREEDY_ZERO_OR_MORE) && (*exp->_p != TREX_SYMBOL_GREEDY_ONE_OR_MORE) && (*exp->_p != '\0')) {
 | |
| 		int nnode = trex_element(exp);
 | |
| 		exp->_nodes[ret].next = nnode;
 | |
| 	}
 | |
| 
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int trex_list(TRex *exp)
 | |
| {
 | |
| 	int ret=-1,e;
 | |
| 	if(*exp->_p == TREX_SYMBOL_BEGINNING_OF_STRING) {
 | |
| 		exp->_p++;
 | |
| 		ret = trex_newnode(exp,OP_BOL);
 | |
| 	}
 | |
| 	e = trex_element(exp);
 | |
| 	if(ret != -1) {
 | |
| 		exp->_nodes[ret].next = e;
 | |
| 	}
 | |
| 	else ret = e;
 | |
| 
 | |
| 	if(*exp->_p == TREX_SYMBOL_BRANCH) {
 | |
| 		int temp,tright;
 | |
| 		exp->_p++;
 | |
| 		temp = trex_newnode(exp,OP_OR);
 | |
| 		exp->_nodes[temp].left = ret;
 | |
| 		tright = trex_list(exp);
 | |
| 		exp->_nodes[temp].right = tright;
 | |
| 		ret = temp;
 | |
| 	}
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static TRexBool trex_matchcclass(int cclass,TRexChar ch)
 | |
| {
 | |
|     int c = ch;
 | |
| 	switch(cclass) {
 | |
| 	case 'a': return isalpha(c)?TRex_True:TRex_False;
 | |
| 	case 'A': return !isalpha(c)?TRex_True:TRex_False;
 | |
| 	case 'w': return (isalnum(c) || c == '_')?TRex_True:TRex_False;
 | |
| 	case 'W': return (!isalnum(c) && c != '_')?TRex_True:TRex_False;
 | |
| 	case 's': return isspace(c)?TRex_True:TRex_False;
 | |
| 	case 'S': return !isspace(c)?TRex_True:TRex_False;
 | |
| 	case 'd': return isdigit(c)?TRex_True:TRex_False;
 | |
| 	case 'D': return !isdigit(c)?TRex_True:TRex_False;
 | |
| 	case 'x': return isxdigit(c)?TRex_True:TRex_False;
 | |
| 	case 'X': return !isxdigit(c)?TRex_True:TRex_False;
 | |
| 	case 'c': return iscntrl(c)?TRex_True:TRex_False;
 | |
| 	case 'C': return !iscntrl(c)?TRex_True:TRex_False;
 | |
| 	case 'p': return ispunct(c)?TRex_True:TRex_False;
 | |
| 	case 'P': return !ispunct(c)?TRex_True:TRex_False;
 | |
| 	case 'l': return islower(c)?TRex_True:TRex_False;
 | |
| 	case 'u': return isupper(c)?TRex_True:TRex_False;
 | |
| 	}
 | |
| 	return TRex_False; /*cannot happen*/
 | |
| }
 | |
| 
 | |
| static TRexBool trex_matchclass(TRex* exp,TRexNode *node,TRexChar c)
 | |
| {
 | |
| 	do {
 | |
| 		switch(node->type) {
 | |
| 			case OP_RANGE:
 | |
| 				if (exp->_flags & TREX_ICASE)
 | |
| 				{
 | |
| 					if(c >= toupper(node->left) && c <= toupper(node->right)) return TRex_True;
 | |
| 					if(c >= tolower(node->left) && c <= tolower(node->right)) return TRex_True;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					if(c >= node->left && c <= node->right) return TRex_True;
 | |
| 				}
 | |
| 				break;
 | |
| 			case OP_CCLASS:
 | |
| 				if(trex_matchcclass(node->left,c)) return TRex_True;
 | |
| 				break;
 | |
| 			default:
 | |
| 				if (exp->_flags & TREX_ICASE)
 | |
| 				{
 | |
| 					if (c == tolower(node->type) || c == toupper(node->type)) return TRex_True;
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					if(c == node->type)return TRex_True;
 | |
| 				}
 | |
| 
 | |
| 		}
 | |
| 	} while((node->next != -1) && (node = &exp->_nodes[node->next]));
 | |
| 	return TRex_False;
 | |
| }
 | |
| 
 | |
| static const TRexChar *trex_matchnode(TRex* exp,TRexNode *node,const TRexChar *str,TRexNode *next)
 | |
| {
 | |
| 
 | |
| 	TRexNodeType type = node->type;
 | |
| 	switch(type) {
 | |
| 	case OP_GREEDY: {
 | |
| 		//TRexNode *greedystop = (node->next != -1) ? &exp->_nodes[node->next] : NULL;
 | |
| 		TRexNode *greedystop = NULL;
 | |
| 		int p0 = (node->right >> 16)&0x0000FFFF, p1 = node->right&0x0000FFFF, nmaches = 0;
 | |
| 		const TRexChar *s=str, *good = str;
 | |
| 
 | |
| 		if(node->next != -1) {
 | |
| 			greedystop = &exp->_nodes[node->next];
 | |
| 		}
 | |
| 		else {
 | |
| 			greedystop = next;
 | |
| 		}
 | |
| 
 | |
| 		while((nmaches == 0xFFFF || nmaches < p1)) {
 | |
| 
 | |
| 			const TRexChar *stop;
 | |
| 			if(!(s = trex_matchnode(exp,&exp->_nodes[node->left],s,greedystop)))
 | |
| 				break;
 | |
| 			nmaches++;
 | |
| 			good=s;
 | |
| 			if(greedystop) {
 | |
| 				//checks that 0 matches satisfy the expression(if so skips)
 | |
| 				//if not would always stop(for instance if is a '?')
 | |
| 				if(greedystop->type != OP_GREEDY ||
 | |
| 				(greedystop->type == OP_GREEDY && ((greedystop->right >> 16)&0x0000FFFF) != 0))
 | |
| 				{
 | |
| 					TRexNode *gnext = NULL;
 | |
| 					if(greedystop->next != -1) {
 | |
| 						gnext = &exp->_nodes[greedystop->next];
 | |
| 					}else if(next && next->next != -1){
 | |
| 						gnext = &exp->_nodes[next->next];
 | |
| 					}
 | |
| 					stop = trex_matchnode(exp,greedystop,s,gnext);
 | |
| 					if(stop) {
 | |
| 						//if satisfied stop it
 | |
| 						if(p0 == p1 && p0 == nmaches) break;
 | |
| 						else if(nmaches >= p0 && p1 == 0xFFFF) break;
 | |
| 						else if(nmaches >= p0 && nmaches <= p1) break;
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 			if(s >= exp->_eol)
 | |
| 				break;
 | |
| 		}
 | |
| 		if(p0 == p1 && p0 == nmaches) return good;
 | |
| 		else if(nmaches >= p0 && p1 == 0xFFFF) return good;
 | |
| 		else if(nmaches >= p0 && nmaches <= p1) return good;
 | |
| 		return NULL;
 | |
| 	}
 | |
| 	case OP_OR: {
 | |
| 			const TRexChar *asd = str;
 | |
| 			TRexNode *temp=&exp->_nodes[node->left];
 | |
| 			while( (asd = trex_matchnode(exp,temp,asd,NULL)) ) {
 | |
| 				if(temp->next != -1)
 | |
| 					temp = &exp->_nodes[temp->next];
 | |
| 				else
 | |
| 					return asd;
 | |
| 			}
 | |
| 			asd = str;
 | |
| 			temp = &exp->_nodes[node->right];
 | |
| 			while( (asd = trex_matchnode(exp,temp,asd,NULL)) ) {
 | |
| 				if(temp->next != -1)
 | |
| 					temp = &exp->_nodes[temp->next];
 | |
| 				else
 | |
| 					return asd;
 | |
| 			}
 | |
| 			return NULL;
 | |
| 			break;
 | |
| 	}
 | |
| 	case OP_EXPR:
 | |
| 	case OP_NOCAPEXPR:{
 | |
| 			TRexNode *n = &exp->_nodes[node->left];
 | |
| 			const TRexChar *cur = str;
 | |
| 			int capture = -1;
 | |
| 			if(node->type != OP_NOCAPEXPR && node->right == exp->_currsubexp) {
 | |
| 				capture = exp->_currsubexp;
 | |
| 				exp->_matches[capture].begin = cur;
 | |
| 				exp->_currsubexp++;
 | |
| 			}
 | |
| 
 | |
| 			do {
 | |
| 				TRexNode *subnext = NULL;
 | |
| 				if(n->next != -1) {
 | |
| 					subnext = &exp->_nodes[n->next];
 | |
| 				}else {
 | |
| 					subnext = next;
 | |
| 				}
 | |
| 				if(!(cur = trex_matchnode(exp,n,cur,subnext))) {
 | |
| 					if(capture != -1){
 | |
| 						exp->_matches[capture].begin = 0;
 | |
| 						exp->_matches[capture].len = 0;
 | |
| 					}
 | |
| 					return NULL;
 | |
| 				}
 | |
| 			} while((n->next != -1) && (n = &exp->_nodes[n->next]));
 | |
| 
 | |
| 			if(capture != -1)
 | |
| 				exp->_matches[capture].len = cur - exp->_matches[capture].begin;
 | |
| 			return cur;
 | |
| 	}
 | |
| 	case OP_WB:
 | |
| 		if((str == exp->_bol && !isspace((int) *str))
 | |
| 		 || ((str == exp->_eol && !isspace((int) *(str-1))))
 | |
| 		 || ((!isspace((int) *str) && isspace((int) *(str+1))))
 | |
| 		 || ((isspace((int) *str) && !isspace((int) *(str+1)))) ) {
 | |
| 			return (node->left == 'b')?str:NULL;
 | |
| 		}
 | |
| 		return (node->left == 'b')?NULL:str;
 | |
| 	case OP_BOL:
 | |
| 		if(str == exp->_bol) return str;
 | |
| 		return NULL;
 | |
| 	case OP_EOL:
 | |
| 		if(str == exp->_eol) return str;
 | |
| 		return NULL;
 | |
| 	case OP_DOT:
 | |
| 		str++;
 | |
| 		return str;
 | |
| 	case OP_NCLASS:
 | |
| 	case OP_CLASS:
 | |
| 		if(trex_matchclass(exp,&exp->_nodes[node->left],*str)?(type == OP_CLASS?TRex_True:TRex_False):(type == OP_NCLASS?TRex_True:TRex_False)) {
 | |
|                         str++;
 | |
| 			return str;
 | |
| 		}
 | |
| 		return NULL;
 | |
| 	case OP_CCLASS:
 | |
| 		if(trex_matchcclass(node->left,*str)) {
 | |
|                         str++;
 | |
| 			return str;
 | |
| 		}
 | |
| 		return NULL;
 | |
| 	default: /* char */
 | |
| 		if (exp->_flags & TREX_ICASE)
 | |
| 		{
 | |
| 			if(*str != tolower(node->type) && *str != toupper(node->type)) return NULL;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			if (*str != node->type) return NULL;
 | |
| 		}
 | |
| 		str++;
 | |
| 		return str;
 | |
| 	}
 | |
| 	return NULL;
 | |
| }
 | |
| 
 | |
| /* public api */
 | |
| TRex *trex_compile(const TRexChar *pattern,const TRexChar **error,int flags)
 | |
| {
 | |
| 	TRex *exp = (TRex *)malloc(sizeof(TRex));
 | |
| 	exp->_eol = exp->_bol = NULL;
 | |
| 	exp->_p = pattern;
 | |
| 	exp->_nallocated = (int)scstrlen(pattern) * sizeof(TRexChar);
 | |
| 	exp->_nodes = (TRexNode *)malloc(exp->_nallocated * sizeof(TRexNode));
 | |
| 	exp->_nsize = 0;
 | |
| 	exp->_matches = 0;
 | |
| 	exp->_nsubexpr = 0;
 | |
| 	exp->_first = trex_newnode(exp,OP_EXPR);
 | |
| 	exp->_error = error;
 | |
| 	exp->_jmpbuf = malloc(sizeof(jmp_buf));
 | |
| 	exp->_flags = flags;
 | |
| 	if(setjmp(*((jmp_buf*)exp->_jmpbuf)) == 0) {
 | |
| 		int res = trex_list(exp);
 | |
| 		exp->_nodes[exp->_first].left = res;
 | |
| 		if(*exp->_p!='\0')
 | |
| 			trex_error(exp,_SC("unexpected character"));
 | |
| #ifdef _DEBUG
 | |
| 		{
 | |
| 			int nsize,i;
 | |
| 			TRexNode *t;
 | |
| 			nsize = exp->_nsize;
 | |
| 			t = &exp->_nodes[0];
 | |
| 			scprintf(_SC("\n"));
 | |
| 			for(i = 0;i < nsize; i++) {
 | |
| 				if(exp->_nodes[i].type>MAX_CHAR)
 | |
| 					scprintf(_SC("[%02d] %10s "),i,g_nnames[exp->_nodes[i].type-MAX_CHAR]);
 | |
| 				else
 | |
| 					scprintf(_SC("[%02d] %10c "),i,exp->_nodes[i].type);
 | |
| 				scprintf(_SC("left %02d right %02d next %02d\n"),exp->_nodes[i].left,exp->_nodes[i].right,exp->_nodes[i].next);
 | |
| 			}
 | |
| 			scprintf(_SC("\n"));
 | |
| 		}
 | |
| #endif
 | |
| 		exp->_matches = (TRexMatch *) malloc(exp->_nsubexpr * sizeof(TRexMatch));
 | |
| 		memset(exp->_matches,0,exp->_nsubexpr * sizeof(TRexMatch));
 | |
| 	}
 | |
| 	else{
 | |
| 		trex_free(exp);
 | |
| 		return NULL;
 | |
| 	}
 | |
| 	return exp;
 | |
| }
 | |
| 
 | |
| void trex_free(TRex *exp)
 | |
| {
 | |
| 	if(exp)	{
 | |
| 		if(exp->_nodes) free(exp->_nodes);
 | |
| 		if(exp->_jmpbuf) free(exp->_jmpbuf);
 | |
| 		if(exp->_matches) free(exp->_matches);
 | |
| 		free(exp);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| TRexBool trex_match(TRex* exp,const TRexChar* text)
 | |
| {
 | |
| 	const TRexChar* res = NULL;
 | |
| 	exp->_bol = text;
 | |
| 	exp->_eol = text + scstrlen(text);
 | |
| 	exp->_currsubexp = 0;
 | |
| 	res = trex_matchnode(exp,exp->_nodes,text,NULL);
 | |
| 	if(res == NULL || res != exp->_eol)
 | |
| 		return TRex_False;
 | |
| 	return TRex_True;
 | |
| }
 | |
| 
 | |
| TRexBool trex_searchrange(TRex* exp,const TRexChar* text_begin,const TRexChar* text_end,const TRexChar** out_begin, const TRexChar** out_end)
 | |
| {
 | |
| 	const TRexChar *cur = NULL;
 | |
| 	int node = exp->_first;
 | |
| 	if(text_begin >= text_end) return TRex_False;
 | |
| 	exp->_bol = text_begin;
 | |
| 	exp->_eol = text_end;
 | |
| 	do {
 | |
| 		cur = text_begin;
 | |
| 		while(node != -1) {
 | |
| 			exp->_currsubexp = 0;
 | |
| 			cur = trex_matchnode(exp,&exp->_nodes[node],cur,NULL);
 | |
| 			if(!cur)
 | |
| 				break;
 | |
| 			node = exp->_nodes[node].next;
 | |
| 		}
 | |
| 		text_begin++;
 | |
| 	} while(cur == NULL && text_begin != text_end);
 | |
| 
 | |
| 	if(cur == NULL)
 | |
| 		return TRex_False;
 | |
| 
 | |
| 	--text_begin;
 | |
| 
 | |
| 	if(out_begin) *out_begin = text_begin;
 | |
| 	if(out_end) *out_end = cur;
 | |
| 	return TRex_True;
 | |
| }
 | |
| 
 | |
| TRexBool trex_search(TRex* exp,const TRexChar* text, const TRexChar** out_begin, const TRexChar** out_end)
 | |
| {
 | |
| 	return trex_searchrange(exp,text,text + scstrlen(text),out_begin,out_end);
 | |
| }
 | |
| 
 | |
| int trex_getsubexpcount(TRex* exp)
 | |
| {
 | |
| 	return exp->_nsubexpr;
 | |
| }
 | |
| 
 | |
| TRexBool trex_getsubexp(TRex* exp, int n, TRexMatch *subexp)
 | |
| {
 | |
| 	if( n<0 || n >= exp->_nsubexpr) return TRex_False;
 | |
| 	*subexp = exp->_matches[n];
 | |
| 	return TRex_True;
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| 
 | |
| static void arg_str_resetfn(struct arg_str *parent)
 | |
| {
 | |
|     ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent));
 | |
|     parent->count = 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_str_scanfn(struct arg_str *parent, const char *argval)
 | |
| {
 | |
|     int errorcode = 0;
 | |
| 
 | |
|     if (parent->count == parent->hdr.maxcount)
 | |
|     {
 | |
|         /* maximum number of arguments exceeded */
 | |
|         errorcode = EMAXCOUNT;
 | |
|     }
 | |
|     else if (!argval)
 | |
|     {
 | |
|         /* a valid argument with no argument value was given. */
 | |
|         /* This happens when an optional argument value was invoked. */
 | |
|         /* leave parent arguiment value unaltered but still count the argument. */
 | |
|         parent->count++;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         parent->sval[parent->count++] = argval;
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("%s:scanfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static int arg_str_checkfn(struct arg_str *parent)
 | |
| {
 | |
|     int errorcode = (parent->count < parent->hdr.mincount) ? EMINCOUNT : 0;
 | |
| 
 | |
|     ARG_TRACE(("%s:checkfn(%p) returns %d\n", __FILE__, parent, errorcode));
 | |
|     return errorcode;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void arg_str_errorfn(
 | |
|     struct arg_str *parent,
 | |
|     FILE *fp,
 | |
|     int errorcode,
 | |
|     const char *argval,
 | |
|     const char *progname)
 | |
| {
 | |
|     const char *shortopts = parent->hdr.shortopts;
 | |
|     const char *longopts  = parent->hdr.longopts;
 | |
|     const char *datatype  = parent->hdr.datatype;
 | |
| 
 | |
|     /* make argval NULL safe */
 | |
|     argval = argval ? argval : "";
 | |
| 
 | |
|     fprintf(fp, "%s: ", progname);
 | |
|     switch(errorcode)
 | |
|     {
 | |
|     case EMINCOUNT:
 | |
|         fputs("missing option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, datatype, "\n");
 | |
|         break;
 | |
| 
 | |
|     case EMAXCOUNT:
 | |
|         fputs("excess option ", fp);
 | |
|         arg_print_option(fp, shortopts, longopts, argval, "\n");
 | |
|         break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_str * arg_str0(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_strn(shortopts, longopts, datatype, 0, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_str * arg_str1(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     const char *datatype,
 | |
|     const char *glossary)
 | |
| {
 | |
|     return arg_strn(shortopts, longopts, datatype, 1, 1, glossary);
 | |
| }
 | |
| 
 | |
| 
 | |
| struct arg_str * arg_strn(
 | |
|     const char *shortopts,
 | |
|     const char *longopts,
 | |
|     const char *datatype,
 | |
|     int mincount,
 | |
|     int maxcount,
 | |
|     const char *glossary)
 | |
| {
 | |
|     size_t nbytes;
 | |
|     struct arg_str *result;
 | |
| 
 | |
|     /* should not allow this stupid error */
 | |
|     /* we should return an error code warning this logic error */
 | |
|     /* foolproof things by ensuring maxcount is not less than mincount */
 | |
|     maxcount = (maxcount < mincount) ? mincount : maxcount;
 | |
| 
 | |
|     nbytes = sizeof(struct arg_str)     /* storage for struct arg_str */
 | |
|              + maxcount * sizeof(char *); /* storage for sval[maxcount] array */
 | |
| 
 | |
|     result = (struct arg_str *)malloc(nbytes);
 | |
|     if (result)
 | |
|     {
 | |
|         int i;
 | |
| 
 | |
|         /* init the arg_hdr struct */
 | |
|         result->hdr.flag      = ARG_HASVALUE;
 | |
|         result->hdr.shortopts = shortopts;
 | |
|         result->hdr.longopts  = longopts;
 | |
|         result->hdr.datatype  = datatype ? datatype : "<string>";
 | |
|         result->hdr.glossary  = glossary;
 | |
|         result->hdr.mincount  = mincount;
 | |
|         result->hdr.maxcount  = maxcount;
 | |
|         result->hdr.parent    = result;
 | |
|         result->hdr.resetfn   = (arg_resetfn *)arg_str_resetfn;
 | |
|         result->hdr.scanfn    = (arg_scanfn *)arg_str_scanfn;
 | |
|         result->hdr.checkfn   = (arg_checkfn *)arg_str_checkfn;
 | |
|         result->hdr.errorfn   = (arg_errorfn *)arg_str_errorfn;
 | |
| 
 | |
|         /* store the sval[maxcount] array immediately after the arg_str struct */
 | |
|         result->sval  = (const char * *)(result + 1);
 | |
|         result->count = 0;
 | |
| 
 | |
|         /* foolproof the string pointers by initialising them to reference empty strings */
 | |
|         for (i = 0; i < maxcount; i++)
 | |
|             result->sval[i] = "";
 | |
|     }
 | |
| 
 | |
|     ARG_TRACE(("arg_strn() returns %p\n", result));
 | |
|     return result;
 | |
| }
 | |
| /*******************************************************************************
 | |
|  * This file is part of the argtable3 library.
 | |
|  *
 | |
|  * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann
 | |
|  * <sheitmann@users.sourceforge.net>
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions are met:
 | |
|  *     * Redistributions of source code must retain the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer.
 | |
|  *     * Redistributions in binary form must reproduce the above copyright
 | |
|  *       notice, this list of conditions and the following disclaimer in the
 | |
|  *       documentation and/or other materials provided with the distribution.
 | |
|  *     * Neither the name of STEWART HEITMANN nor the  names of its contributors
 | |
|  *       may be used to endorse or promote products derived from this software
 | |
|  *       without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT,
 | |
|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 | |
|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | |
|  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 | |
|  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 | |
|  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  ******************************************************************************/
 | |
| 
 | |
| #include <stdlib.h>
 | |
| #include <string.h>
 | |
| #include <stdlib.h>
 | |
| #include <ctype.h>
 | |
| 
 | |
| #include "argtable3.h"
 | |
| 
 | |
| static
 | |
| void arg_register_error(struct arg_end *end,
 | |
|                         void *parent,
 | |
|                         int error,
 | |
|                         const char *argval)
 | |
| {
 | |
|     /* printf("arg_register_error(%p,%p,%d,%s)\n",end,parent,error,argval); */
 | |
|     if (end->count < end->hdr.maxcount)
 | |
|     {
 | |
|         end->error[end->count] = error;
 | |
|         end->parent[end->count] = parent;
 | |
|         end->argval[end->count] = argval;
 | |
|         end->count++;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         end->error[end->hdr.maxcount - 1]  = ARG_ELIMIT;
 | |
|         end->parent[end->hdr.maxcount - 1] = end;
 | |
|         end->argval[end->hdr.maxcount - 1] = NULL;
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Return index of first table entry with a matching short option
 | |
|  * or -1 if no match was found.
 | |
|  */
 | |
| static
 | |
| int find_shortoption(struct arg_hdr * *table, char shortopt)
 | |
| {
 | |
|     int tabindex;
 | |
|     for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++)
 | |
|     {
 | |
|         if (table[tabindex]->shortopts &&
 | |
|             strchr(table[tabindex]->shortopts, shortopt))
 | |
|             return tabindex;
 | |
|     }
 | |
|     return -1;
 | |
| }
 | |
| 
 | |
| 
 | |
| struct longoptions
 | |
| {
 | |
|     int getoptval;
 | |
|     int noptions;
 | |
|     struct option *options;
 | |
| };
 | |
| 
 | |
| #if 0
 | |
| static
 | |
| void dump_longoptions(struct longoptions * longoptions)
 | |
| {
 | |
|     int i;
 | |
|     printf("getoptval = %d\n", longoptions->getoptval);
 | |
|     printf("noptions  = %d\n", longoptions->noptions);
 | |
|     for (i = 0; i < longoptions->noptions; i++)
 | |
|     {
 | |
|         printf("options[%d].name    = \"%s\"\n",
 | |
|                i,
 | |
|                longoptions->options[i].name);
 | |
|         printf("options[%d].has_arg = %d\n", i, longoptions->options[i].has_arg);
 | |
|         printf("options[%d].flag    = %p\n", i, longoptions->options[i].flag);
 | |
|         printf("options[%d].val     = %d\n", i, longoptions->options[i].val);
 | |
|     }
 | |
| }
 | |
| #endif
 | |
| 
 | |
| static
 | |
| struct longoptions * alloc_longoptions(struct arg_hdr * *table)
 | |
| {
 | |
|     struct longoptions *result;
 | |
|     size_t nbytes;
 | |
|     int noptions = 1;
 | |
|     size_t longoptlen = 0;
 | |
|     int tabindex;
 | |
| 
 | |
|     /*
 | |
|      * Determine the total number of option structs required
 | |
|      * by counting the number of comma separated long options
 | |
|      * in all table entries and return the count in noptions.
 | |
|      * note: noptions starts at 1 not 0 because we getoptlong
 | |
|      * requires a NULL option entry to terminate the option array.
 | |
|      * While we are at it, count the number of chars required
 | |
|      * to store private copies of all the longoption strings
 | |
|      * and return that count in logoptlen.
 | |
|      */
 | |
|     tabindex = 0;
 | |
|     do
 | |
|     {
 | |
|         const char *longopts = table[tabindex]->longopts;
 | |
|         longoptlen += (longopts ? strlen(longopts) : 0) + 1;
 | |
|         while (longopts)
 | |
|         {
 | |
|             noptions++;
 | |
|             longopts = strchr(longopts + 1, ',');
 | |
|         }
 | |
|     } while(!(table[tabindex++]->flag & ARG_TERMINATOR));
 | |
|     /*printf("%d long options consuming %d chars in total\n",noptions,longoptlen);*/
 | |
| 
 | |
| 
 | |
|     /* allocate storage for return data structure as: */
 | |
|     /* (struct longoptions) + (struct options)[noptions] + char[longoptlen] */
 | |
|     nbytes = sizeof(struct longoptions)
 | |
|              + sizeof(struct option) * noptions
 | |
|              + longoptlen;
 | |
|     result = (struct longoptions *)malloc(nbytes);
 | |
|     if (result)
 | |
|     {
 | |
|         int option_index = 0;
 | |
|         char *store;
 | |
| 
 | |
|         result->getoptval = 0;
 | |
|         result->noptions = noptions;
 | |
|         result->options = (struct option *)(result + 1);
 | |
|         store = (char *)(result->options + noptions);
 | |
| 
 | |
|         for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++)
 | |
|         {
 | |
|             const char *longopts = table[tabindex]->longopts;
 | |
| 
 | |
|             while(longopts && *longopts)
 | |
|             {
 | |
|                 char *storestart = store;
 | |
| 
 | |
|                 /* copy progressive longopt strings into the store */
 | |
|                 while (*longopts != 0 && *longopts != ',')
 | |
|                     *store++ = *longopts++;
 | |
|                 *store++ = 0;
 | |
|                 if (*longopts == ',')
 | |
|                     longopts++;
 | |
|                 /*fprintf(stderr,"storestart=\"%s\"\n",storestart);*/
 | |
| 
 | |
|                 result->options[option_index].name    = storestart;
 | |
|                 result->options[option_index].flag    = &(result->getoptval);
 | |
|                 result->options[option_index].val     = tabindex;
 | |
|                 if (table[tabindex]->flag & ARG_HASOPTVALUE)
 | |
|                     result->options[option_index].has_arg = 2;
 | |
|                 else if (table[tabindex]->flag & ARG_HASVALUE)
 | |
|                     result->options[option_index].has_arg = 1;
 | |
|                 else
 | |
|                     result->options[option_index].has_arg = 0;
 | |
| 
 | |
|                 option_index++;
 | |
|             }
 | |
|         }
 | |
|         /* terminate the options array with a zero-filled entry */
 | |
|         result->options[option_index].name    = 0;
 | |
|         result->options[option_index].has_arg = 0;
 | |
|         result->options[option_index].flag    = 0;
 | |
|         result->options[option_index].val     = 0;
 | |
|     }
 | |
| 
 | |
|     /*dump_longoptions(result);*/
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| static
 | |
| char * alloc_shortoptions(struct arg_hdr * *table)
 | |
| {
 | |
|     char *result;
 | |
|     size_t len = 2;
 | |
|     int tabindex;
 | |
| 
 | |
|     /* determine the total number of option chars required */
 | |
|     for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++)
 | |
|     {
 | |
|         struct arg_hdr *hdr = table[tabindex];
 | |
|         len += 3 * (hdr->shortopts ? strlen(hdr->shortopts) : 0);
 | |
|     }
 | |
| 
 | |
|     result = malloc(len);
 | |
|     if (result)
 | |
|     {
 | |
|         char *res = result;
 | |
| 
 | |
|         /* add a leading ':' so getopt return codes distinguish    */
 | |
|         /* unrecognised option and options missing argument values */
 | |
|         *res++ = ':';
 | |
| 
 | |
|         for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++)
 | |
|         {
 | |
|             struct arg_hdr *hdr = table[tabindex];
 | |
|             const char *shortopts = hdr->shortopts;
 | |
|             while(shortopts && *shortopts)
 | |
|             {
 | |
|                 *res++ = *shortopts++;
 | |
|                 if (hdr->flag & ARG_HASVALUE)
 | |
|                     *res++ = ':';
 | |
|                 if (hdr->flag & ARG_HASOPTVALUE)
 | |
|                     *res++ = ':';
 | |
|             }
 | |
|         }
 | |
|         /* null terminate the string */
 | |
|         *res = 0;
 | |
|     }
 | |
| 
 | |
|     /*printf("alloc_shortoptions() returns \"%s\"\n",(result?result:"NULL"));*/
 | |
|     return result;
 | |
| }
 | |
| 
 | |
| 
 | |
| /* return index of the table terminator entry */
 | |
| static
 | |
| int arg_endindex(struct arg_hdr * *table)
 | |
| {
 | |
|     int tabindex = 0;
 | |
|     while (!(table[tabindex]->flag & ARG_TERMINATOR))
 | |
|         tabindex++;
 | |
|     return tabindex;
 | |
| }
 | |
| 
 | |
| 
 | |
| static
 | |
| void arg_parse_tagged(int argc,
 | |
|                       char * *argv,
 | |
|                       struct arg_hdr * *table,
 | |
|                       struct arg_end *endtable)
 | |
| {
 | |
|     struct longoptions *longoptions;
 | |
|     char *shortoptions;
 | |
|     int copt;
 | |
| 
 | |
|     /*printf("arg_parse_tagged(%d,%p,%p,%p)\n",argc,argv,table,endtable);*/
 | |
| 
 | |
|     /* allocate short and long option arrays for the given opttable[].   */
 | |
|     /* if the allocs fail then put an error msg in the last table entry. */
 | |
|     longoptions  = alloc_longoptions(table);
 | |
|     shortoptions = alloc_shortoptions(table);
 | |
|     if (!longoptions || !shortoptions)
 | |
|     {
 | |
|         /* one or both memory allocs failed */
 | |
|         arg_register_error(endtable, endtable, ARG_EMALLOC, NULL);
 | |
|         /* free anything that was allocated (this is null safe) */
 | |
|         free(shortoptions);
 | |
|         free(longoptions);
 | |
|         return;
 | |
|     }
 | |
| 
 | |
|     /*dump_longoptions(longoptions);*/
 | |
| 
 | |
|     /* reset getopts internal option-index to zero, and disable error reporting */
 | |
|     optind = 0;
 | |
|     opterr = 0;
 | |
| 
 | |
|     /* fetch and process args using getopt_long */
 | |
|     while( (copt =
 | |
|                 getopt_long(argc, argv, shortoptions, longoptions->options,
 | |
|                             NULL)) != -1)
 | |
|     {
 | |
|         /*
 | |
|            printf("optarg='%s'\n",optarg);
 | |
|            printf("optind=%d\n",optind);
 | |
|            printf("copt=%c\n",(char)copt);
 | |
|            printf("optopt=%c (%d)\n",optopt, (int)(optopt));
 | |
|          */
 | |
|         switch(copt)
 | |
|         {
 | |
|         case 0:
 | |
|         {
 | |
|             int tabindex = longoptions->getoptval;
 | |
|             void *parent  = table[tabindex]->parent;
 | |
|             /*printf("long option detected from argtable[%d]\n", tabindex);*/
 | |
|             if (optarg && optarg[0] == 0 &&
 | |
|                 (table[tabindex]->flag & ARG_HASVALUE))
 | |
|             {
 | |
|                 /* printf(": long option %s requires an argument\n",argv[optind-1]); */
 | |
|                 arg_register_error(endtable, endtable, ARG_EMISSARG,
 | |
|                                    argv[optind - 1]);
 | |
|                 /* continue to scan the (empty) argument value to enforce argument count checking */
 | |
|             }
 | |
|             if (table[tabindex]->scanfn)
 | |
|             {
 | |
|                 int errorcode = table[tabindex]->scanfn(parent, optarg);
 | |
|                 if (errorcode != 0)
 | |
|                     arg_register_error(endtable, parent, errorcode, optarg);
 | |
|             }
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|         case '?':
 | |
|             /*
 | |
|              * getopt_long() found an unrecognised short option.
 | |
|              * if it was a short option its value is in optopt
 | |
|              * if it was a long option then optopt=0
 | |
|              */
 | |
|             switch (optopt)
 | |
|             {
 | |
|             case 0:
 | |
|                 /*printf("?0 unrecognised long option %s\n",argv[optind-1]);*/
 | |
|                 arg_register_error(endtable, endtable, ARG_ELONGOPT,
 | |
|                                    argv[optind - 1]);
 | |
|                 break;
 | |
|             default:
 | |
|                 /*printf("?* unrecognised short option '%c'\n",optopt);*/
 | |
|                 arg_register_error(endtable, endtable, optopt, NULL);
 | |
|                 break;
 | |
|             }
 | |
|             break;
 | |
| 
 | |
|         case ':':
 | |
|             /*
 | |
|              * getopt_long() found an option with its argument missing.
 | |
|              */
 | |
|             /*printf(": option %s requires an argument\n",argv[optind-1]); */
 | |
|             arg_register_error(endtable, endtable, ARG_EMISSARG,
 | |
|                                argv[optind - 1]);
 | |
|             break;
 | |
| 
 | |
|         default:
 | |
|         {
 | |
|             /* getopt_long() found a valid short option */
 | |
|             int tabindex = find_shortoption(table, (char)copt);
 | |
|             /*printf("short option detected from argtable[%d]\n", tabindex);*/
 | |
|             if (tabindex == -1)
 | |
|             {
 | |
|                 /* should never get here - but handle it just in case */
 | |
|                 /*printf("unrecognised short option %d\n",copt);*/
 | |
|                 arg_register_error(endtable, endtable, copt, NULL);
 | |
|             }
 | |
|             else
 | |
|             {
 | |
|                 if (table[tabindex]->scanfn)
 | |
|                 {
 | |
|                     void *parent  = table[tabindex]->parent;
 | |
|                     int errorcode = table[tabindex]->scanfn(parent, optarg);
 | |
|                     if (errorcode != 0)
 | |
|                         arg_register_error(endtable, parent, errorcode, optarg);
 | |
|                 }
 | |
|             }
 | |
|             break;
 | |
|         }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     free(shortoptions);
 | |
|     free(longoptions);
 | |
| }
 | |
| 
 | |
| 
 | |
| static
 | |
| void arg_parse_untagged(int argc,
 | |
|                         char * *argv,
 | |
|                         struct arg_hdr * *table,
 | |
|                         struct arg_end *endtable)
 | |
| {
 | |
|     int tabindex = 0;
 | |
|     int errorlast = 0;
 | |
|     const char *optarglast = NULL;
 | |
|     void *parentlast = NULL;
 | |
| 
 | |
|     /*printf("arg_parse_untagged(%d,%p,%p,%p)\n",argc,argv,table,endtable);*/
 | |
|     while (!(table[tabindex]->flag & ARG_TERMINATOR))
 | |
|     {
 | |
|         void *parent;
 | |
|         int errorcode;
 | |
| 
 | |
|         /* if we have exhausted our argv[optind] entries then we have finished */
 | |
|         if (optind >= argc)
 | |
|         {
 | |
|             /*printf("arg_parse_untagged(): argv[] exhausted\n");*/
 | |
|             return;
 | |
|         }
 | |
| 
 | |
|         /* skip table entries with non-null long or short options (they are not untagged entries) */
 | |
|         if (table[tabindex]->longopts || table[tabindex]->shortopts)
 | |
|         {
 | |
|             /*printf("arg_parse_untagged(): skipping argtable[%d] (tagged argument)\n",tabindex);*/
 | |
|             tabindex++;
 | |
|             continue;
 | |
|         }
 | |
| 
 | |
|         /* skip table entries with NULL scanfn */
 | |
|         if (!(table[tabindex]->scanfn))
 | |
|         {
 | |
|             /*printf("arg_parse_untagged(): skipping argtable[%d] (NULL scanfn)\n",tabindex);*/
 | |
|             tabindex++;
 | |
|             continue;
 | |
|         }
 | |
| 
 | |
|         /* attempt to scan the current argv[optind] with the current     */
 | |
|         /* table[tabindex] entry. If it succeeds then keep it, otherwise */
 | |
|         /* try again with the next table[] entry.                        */
 | |
|         parent = table[tabindex]->parent;
 | |
|         errorcode = table[tabindex]->scanfn(parent, argv[optind]);
 | |
|         if (errorcode == 0)
 | |
|         {
 | |
|             /* success, move onto next argv[optind] but stay with same table[tabindex] */
 | |
|             /*printf("arg_parse_untagged(): argtable[%d] successfully matched\n",tabindex);*/
 | |
|             optind++;
 | |
| 
 | |
|             /* clear the last tentative error */
 | |
|             errorlast = 0;
 | |
|         }
 | |
|         else
 | |
|         {
 | |
|             /* failure, try same argv[optind] with next table[tabindex] entry */
 | |
|             /*printf("arg_parse_untagged(): argtable[%d] failed match\n",tabindex);*/
 | |
|             tabindex++;
 | |
| 
 | |
|             /* remember this as a tentative error we may wish to reinstate later */
 | |
|             errorlast = errorcode;
 | |
|             optarglast = argv[optind];
 | |
|             parentlast = parent;
 | |
|         }
 | |
| 
 | |
|     }
 | |
| 
 | |
|     /* if a tenative error still remains at this point then register it as a proper error */
 | |
|     if (errorlast)
 | |
|     {
 | |
|         arg_register_error(endtable, parentlast, errorlast, optarglast);
 | |
|         optind++;
 | |
|     }
 | |
| 
 | |
|     /* only get here when not all argv[] entries were consumed */
 | |
|     /* register an error for each unused argv[] entry */
 | |
|     while (optind < argc)
 | |
|     {
 | |
|         /*printf("arg_parse_untagged(): argv[%d]=\"%s\" not consumed\n",optind,argv[optind]);*/
 | |
|         arg_register_error(endtable, endtable, ARG_ENOMATCH, argv[optind++]);
 | |
|     }
 | |
| 
 | |
|     return;
 | |
| }
 | |
| 
 | |
| 
 | |
| static
 | |
| void arg_parse_check(struct arg_hdr * *table, struct arg_end *endtable)
 | |
| {
 | |
|     int tabindex = 0;
 | |
|     /* printf("arg_parse_check()\n"); */
 | |
|     do
 | |
|     {
 | |
|         if (table[tabindex]->checkfn)
 | |
|         {
 | |
|             void *parent  = table[tabindex]->parent;
 | |
|             int errorcode = table[tabindex]->checkfn(parent);
 | |
|             if (errorcode != 0)
 | |
|                 arg_register_error(endtable, parent, errorcode, NULL);
 | |
|         }
 | |
|     } while(!(table[tabindex++]->flag & ARG_TERMINATOR));
 | |
| }
 | |
| 
 | |
| 
 | |
| static
 | |
| void arg_reset(void * *argtable)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     int tabindex = 0;
 | |
|     /*printf("arg_reset(%p)\n",argtable);*/
 | |
|     do
 | |
|     {
 | |
|         if (table[tabindex]->resetfn)
 | |
|             table[tabindex]->resetfn(table[tabindex]->parent);
 | |
|     } while(!(table[tabindex++]->flag & ARG_TERMINATOR));
 | |
| }
 | |
| 
 | |
| 
 | |
| int arg_parse(int argc, char * *argv, void * *argtable)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     struct arg_end *endtable;
 | |
|     int endindex;
 | |
|     char * *argvcopy = NULL;
 | |
| 
 | |
|     /*printf("arg_parse(%d,%p,%p)\n",argc,argv,argtable);*/
 | |
| 
 | |
|     /* reset any argtable data from previous invocations */
 | |
|     arg_reset(argtable);
 | |
| 
 | |
|     /* locate the first end-of-table marker within the array */
 | |
|     endindex = arg_endindex(table);
 | |
|     endtable = (struct arg_end *)table[endindex];
 | |
| 
 | |
|     /* Special case of argc==0.  This can occur on Texas Instruments DSP. */
 | |
|     /* Failure to trap this case results in an unwanted NULL result from  */
 | |
|     /* the malloc for argvcopy (next code block).                         */
 | |
|     if (argc == 0)
 | |
|     {
 | |
|         /* We must still perform post-parse checks despite the absence of command line arguments */
 | |
|         arg_parse_check(table, endtable);
 | |
| 
 | |
|         /* Now we are finished */
 | |
|         return endtable->count;
 | |
|     }
 | |
| 
 | |
|     argvcopy = (char **)malloc(sizeof(char *) * (argc + 1));
 | |
|     if (argvcopy)
 | |
|     {
 | |
|         int i;
 | |
| 
 | |
|         /*
 | |
|            Fill in the local copy of argv[]. We need a local copy
 | |
|            because getopt rearranges argv[] which adversely affects
 | |
|            susbsequent parsing attempts.
 | |
|          */
 | |
|         for (i = 0; i < argc; i++)
 | |
|             argvcopy[i] = argv[i];
 | |
| 
 | |
|         argvcopy[argc] = NULL;
 | |
| 
 | |
|         /* parse the command line (local copy) for tagged options */
 | |
|         arg_parse_tagged(argc, argvcopy, table, endtable);
 | |
| 
 | |
|         /* parse the command line (local copy) for untagged options */
 | |
|         arg_parse_untagged(argc, argvcopy, table, endtable);
 | |
| 
 | |
|         /* if no errors so far then perform post-parse checks otherwise dont bother */
 | |
|         if (endtable->count == 0)
 | |
|             arg_parse_check(table, endtable);
 | |
| 
 | |
|         /* release the local copt of argv[] */
 | |
|         free(argvcopy);
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         /* memory alloc failed */
 | |
|         arg_register_error(endtable, endtable, ARG_EMALLOC, NULL);
 | |
|     }
 | |
| 
 | |
|     return endtable->count;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Concatenate contents of src[] string onto *pdest[] string.
 | |
|  * The *pdest pointer is altered to point to the end of the
 | |
|  * target string and *pndest is decremented by the same number
 | |
|  * of chars.
 | |
|  * Does not append more than *pndest chars into *pdest[]
 | |
|  * so as to prevent buffer overruns.
 | |
|  * Its something like strncat() but more efficient for repeated
 | |
|  * calls on the same destination string.
 | |
|  * Example of use:
 | |
|  *   char dest[30] = "good"
 | |
|  *   size_t ndest = sizeof(dest);
 | |
|  *   char *pdest = dest;
 | |
|  *   arg_char(&pdest,"bye ",&ndest);
 | |
|  *   arg_char(&pdest,"cruel ",&ndest);
 | |
|  *   arg_char(&pdest,"world!",&ndest);
 | |
|  * Results in:
 | |
|  *   dest[] == "goodbye cruel world!"
 | |
|  *   ndest  == 10
 | |
|  */
 | |
| static
 | |
| void arg_cat(char * *pdest, const char *src, size_t *pndest)
 | |
| {
 | |
|     char *dest = *pdest;
 | |
|     char *end  = dest + *pndest;
 | |
| 
 | |
|     /*locate null terminator of dest string */
 | |
|     while(dest < end && *dest != 0)
 | |
|         dest++;
 | |
| 
 | |
|     /* concat src string to dest string */
 | |
|     while(dest < end && *src != 0)
 | |
|         *dest++ = *src++;
 | |
| 
 | |
|     /* null terminate dest string */
 | |
|     *dest = 0;
 | |
| 
 | |
|     /* update *pdest and *pndest */
 | |
|     *pndest = end - dest;
 | |
|     *pdest  = dest;
 | |
| }
 | |
| 
 | |
| 
 | |
| static
 | |
| void arg_cat_option(char *dest,
 | |
|                     size_t ndest,
 | |
|                     const char *shortopts,
 | |
|                     const char *longopts,
 | |
|                     const char *datatype,
 | |
|                     int optvalue)
 | |
| {
 | |
|     if (shortopts)
 | |
|     {
 | |
|         char option[3];
 | |
| 
 | |
|         /* note: option array[] is initialiazed dynamically here to satisfy   */
 | |
|         /* a deficiency in the watcom compiler wrt static array initializers. */
 | |
|         option[0] = '-';
 | |
|         option[1] = shortopts[0];
 | |
|         option[2] = 0;
 | |
| 
 | |
|         arg_cat(&dest, option, &ndest);
 | |
|         if (datatype)
 | |
|         {
 | |
|             arg_cat(&dest, " ", &ndest);
 | |
|             if (optvalue)
 | |
|             {
 | |
|                 arg_cat(&dest, "[", &ndest);
 | |
|                 arg_cat(&dest, datatype, &ndest);
 | |
|                 arg_cat(&dest, "]", &ndest);
 | |
|             }
 | |
|             else
 | |
|                 arg_cat(&dest, datatype, &ndest);
 | |
|         }
 | |
|     }
 | |
|     else if (longopts)
 | |
|     {
 | |
|         size_t ncspn;
 | |
| 
 | |
|         /* add "--" tag prefix */
 | |
|         arg_cat(&dest, "--", &ndest);
 | |
| 
 | |
|         /* add comma separated option tag */
 | |
|         ncspn = strcspn(longopts, ",");
 | |
|         strncat(dest, longopts, (ncspn < ndest) ? ncspn : ndest);
 | |
| 
 | |
|         if (datatype)
 | |
|         {
 | |
|             arg_cat(&dest, "=", &ndest);
 | |
|             if (optvalue)
 | |
|             {
 | |
|                 arg_cat(&dest, "[", &ndest);
 | |
|                 arg_cat(&dest, datatype, &ndest);
 | |
|                 arg_cat(&dest, "]", &ndest);
 | |
|             }
 | |
|             else
 | |
|                 arg_cat(&dest, datatype, &ndest);
 | |
|         }
 | |
|     }
 | |
|     else if (datatype)
 | |
|     {
 | |
|         if (optvalue)
 | |
|         {
 | |
|             arg_cat(&dest, "[", &ndest);
 | |
|             arg_cat(&dest, datatype, &ndest);
 | |
|             arg_cat(&dest, "]", &ndest);
 | |
|         }
 | |
|         else
 | |
|             arg_cat(&dest, datatype, &ndest);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static
 | |
| void arg_cat_optionv(char *dest,
 | |
|                      size_t ndest,
 | |
|                      const char *shortopts,
 | |
|                      const char *longopts,
 | |
|                      const char *datatype,
 | |
|                      int optvalue,
 | |
|                      const char *separator)
 | |
| {
 | |
|     separator = separator ? separator : "";
 | |
| 
 | |
|     if (shortopts)
 | |
|     {
 | |
|         const char *c = shortopts;
 | |
|         while(*c)
 | |
|         {
 | |
|             /* "-a|-b|-c" */
 | |
|             char shortopt[3];
 | |
| 
 | |
|             /* note: shortopt array[] is initialiazed dynamically here to satisfy */
 | |
|             /* a deficiency in the watcom compiler wrt static array initializers. */
 | |
|             shortopt[0] = '-';
 | |
|             shortopt[1] = *c;
 | |
|             shortopt[2] = 0;
 | |
| 
 | |
|             arg_cat(&dest, shortopt, &ndest);
 | |
|             if (*++c)
 | |
|                 arg_cat(&dest, separator, &ndest);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /* put separator between long opts and short opts */
 | |
|     if (shortopts && longopts)
 | |
|         arg_cat(&dest, separator, &ndest);
 | |
| 
 | |
|     if (longopts)
 | |
|     {
 | |
|         const char *c = longopts;
 | |
|         while(*c)
 | |
|         {
 | |
|             size_t ncspn;
 | |
| 
 | |
|             /* add "--" tag prefix */
 | |
|             arg_cat(&dest, "--", &ndest);
 | |
| 
 | |
|             /* add comma separated option tag */
 | |
|             ncspn = strcspn(c, ",");
 | |
|             strncat(dest, c, (ncspn < ndest) ? ncspn : ndest);
 | |
|             c += ncspn;
 | |
| 
 | |
|             /* add given separator in place of comma */
 | |
|             if (*c == ',')
 | |
|             {
 | |
|                 arg_cat(&dest, separator, &ndest);
 | |
|                 c++;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if (datatype)
 | |
|     {
 | |
|         if (longopts)
 | |
|             arg_cat(&dest, "=", &ndest);
 | |
|         else if (shortopts)
 | |
|             arg_cat(&dest, " ", &ndest);
 | |
| 
 | |
|         if (optvalue)
 | |
|         {
 | |
|             arg_cat(&dest, "[", &ndest);
 | |
|             arg_cat(&dest, datatype, &ndest);
 | |
|             arg_cat(&dest, "]", &ndest);
 | |
|         }
 | |
|         else
 | |
|             arg_cat(&dest, datatype, &ndest);
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| /* this function should be deprecated because it doesnt consider optional argument values (ARG_HASOPTVALUE) */
 | |
| void arg_print_option(FILE *fp,
 | |
|                       const char *shortopts,
 | |
|                       const char *longopts,
 | |
|                       const char *datatype,
 | |
|                       const char *suffix)
 | |
| {
 | |
|     char syntax[200] = "";
 | |
|     suffix = suffix ? suffix : "";
 | |
| 
 | |
|     /* there is no way of passing the proper optvalue for optional argument values here, so we must ignore it */
 | |
|     arg_cat_optionv(syntax,
 | |
|                     sizeof(syntax),
 | |
|                     shortopts,
 | |
|                     longopts,
 | |
|                     datatype,
 | |
|                     0,
 | |
|                     "|");
 | |
| 
 | |
|     fputs(syntax, fp);
 | |
|     fputs(suffix, fp);
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Print a GNU style [OPTION] string in which all short options that
 | |
|  * do not take argument values are presented in abbreviated form, as
 | |
|  * in: -xvfsd, or -xvf[sd], or [-xvsfd]
 | |
|  */
 | |
| static
 | |
| void arg_print_gnuswitch(FILE *fp, struct arg_hdr * *table)
 | |
| {
 | |
|     int tabindex;
 | |
|     const char *format1 = " -%c";
 | |
|     const char *format2 = " [-%c";
 | |
|     const char *suffix = "";
 | |
| 
 | |
|     /* print all mandatory switches that are without argument values */
 | |
|     for(tabindex = 0;
 | |
|         table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR);
 | |
|         tabindex++)
 | |
|     {
 | |
|         /* skip optional options */
 | |
|         if (table[tabindex]->mincount < 1)
 | |
|             continue;
 | |
| 
 | |
|         /* skip non-short options */
 | |
|         if (table[tabindex]->shortopts == NULL)
 | |
|             continue;
 | |
| 
 | |
|         /* skip options that take argument values */
 | |
|         if (table[tabindex]->flag & ARG_HASVALUE)
 | |
|             continue;
 | |
| 
 | |
|         /* print the short option (only the first short option char, ignore multiple choices)*/
 | |
|         fprintf(fp, format1, table[tabindex]->shortopts[0]);
 | |
|         format1 = "%c";
 | |
|         format2 = "[%c";
 | |
|     }
 | |
| 
 | |
|     /* print all optional switches that are without argument values */
 | |
|     for(tabindex = 0;
 | |
|         table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR);
 | |
|         tabindex++)
 | |
|     {
 | |
|         /* skip mandatory args */
 | |
|         if (table[tabindex]->mincount > 0)
 | |
|             continue;
 | |
| 
 | |
|         /* skip args without short options */
 | |
|         if (table[tabindex]->shortopts == NULL)
 | |
|             continue;
 | |
| 
 | |
|         /* skip args with values */
 | |
|         if (table[tabindex]->flag & ARG_HASVALUE)
 | |
|             continue;
 | |
| 
 | |
|         /* print first short option */
 | |
|         fprintf(fp, format2, table[tabindex]->shortopts[0]);
 | |
|         format2 = "%c";
 | |
|         suffix = "]";
 | |
|     }
 | |
| 
 | |
|     fprintf(fp, "%s", suffix);
 | |
| }
 | |
| 
 | |
| 
 | |
| void arg_print_syntax(FILE *fp, void * *argtable, const char *suffix)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     int i, tabindex;
 | |
| 
 | |
|     /* print GNU style [OPTION] string */
 | |
|     arg_print_gnuswitch(fp, table);
 | |
| 
 | |
|     /* print remaining options in abbreviated style */
 | |
|     for(tabindex = 0;
 | |
|         table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR);
 | |
|         tabindex++)
 | |
|     {
 | |
|         char syntax[200] = "";
 | |
|         const char *shortopts, *longopts, *datatype;
 | |
| 
 | |
|         /* skip short options without arg values (they were printed by arg_print_gnu_switch) */
 | |
|         if (table[tabindex]->shortopts &&
 | |
|             !(table[tabindex]->flag & ARG_HASVALUE))
 | |
|             continue;
 | |
| 
 | |
|         shortopts = table[tabindex]->shortopts;
 | |
|         longopts  = table[tabindex]->longopts;
 | |
|         datatype  = table[tabindex]->datatype;
 | |
|         arg_cat_option(syntax,
 | |
|                        sizeof(syntax),
 | |
|                        shortopts,
 | |
|                        longopts,
 | |
|                        datatype,
 | |
|                        table[tabindex]->flag & ARG_HASOPTVALUE);
 | |
| 
 | |
|         if (strlen(syntax) > 0)
 | |
|         {
 | |
|             /* print mandatory instances of this option */
 | |
|             for (i = 0; i < table[tabindex]->mincount; i++)
 | |
|                 fprintf(fp, " %s", syntax);
 | |
| 
 | |
|             /* print optional instances enclosed in "[..]" */
 | |
|             switch ( table[tabindex]->maxcount - table[tabindex]->mincount )
 | |
|             {
 | |
|             case 0:
 | |
|                 break;
 | |
|             case 1:
 | |
|                 fprintf(fp, " [%s]", syntax);
 | |
|                 break;
 | |
|             case 2:
 | |
|                 fprintf(fp, " [%s] [%s]", syntax, syntax);
 | |
|                 break;
 | |
|             default:
 | |
|                 fprintf(fp, " [%s]...", syntax);
 | |
|                 break;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if (suffix)
 | |
|         fprintf(fp, "%s", suffix);
 | |
| }
 | |
| 
 | |
| 
 | |
| void arg_print_syntaxv(FILE *fp, void * *argtable, const char *suffix)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     int i, tabindex;
 | |
| 
 | |
|     /* print remaining options in abbreviated style */
 | |
|     for(tabindex = 0;
 | |
|         table[tabindex] && !(table[tabindex]->flag & ARG_TERMINATOR);
 | |
|         tabindex++)
 | |
|     {
 | |
|         char syntax[200] = "";
 | |
|         const char *shortopts, *longopts, *datatype;
 | |
| 
 | |
|         shortopts = table[tabindex]->shortopts;
 | |
|         longopts  = table[tabindex]->longopts;
 | |
|         datatype  = table[tabindex]->datatype;
 | |
|         arg_cat_optionv(syntax,
 | |
|                         sizeof(syntax),
 | |
|                         shortopts,
 | |
|                         longopts,
 | |
|                         datatype,
 | |
|                         table[tabindex]->flag & ARG_HASOPTVALUE,
 | |
|                         "|");
 | |
| 
 | |
|         /* print mandatory options */
 | |
|         for (i = 0; i < table[tabindex]->mincount; i++)
 | |
|             fprintf(fp, " %s", syntax);
 | |
| 
 | |
|         /* print optional args enclosed in "[..]" */
 | |
|         switch ( table[tabindex]->maxcount - table[tabindex]->mincount )
 | |
|         {
 | |
|         case 0:
 | |
|             break;
 | |
|         case 1:
 | |
|             fprintf(fp, " [%s]", syntax);
 | |
|             break;
 | |
|         case 2:
 | |
|             fprintf(fp, " [%s] [%s]", syntax, syntax);
 | |
|             break;
 | |
|         default:
 | |
|             fprintf(fp, " [%s]...", syntax);
 | |
|             break;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if (suffix)
 | |
|         fprintf(fp, "%s", suffix);
 | |
| }
 | |
| 
 | |
| 
 | |
| void arg_print_glossary(FILE *fp, void * *argtable, const char *format)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     int tabindex;
 | |
| 
 | |
|     format = format ? format : "  %-20s %s\n";
 | |
|     for (tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++)
 | |
|     {
 | |
|         if (table[tabindex]->glossary)
 | |
|         {
 | |
|             char syntax[200] = "";
 | |
|             const char *shortopts = table[tabindex]->shortopts;
 | |
|             const char *longopts  = table[tabindex]->longopts;
 | |
|             const char *datatype  = table[tabindex]->datatype;
 | |
|             const char *glossary  = table[tabindex]->glossary;
 | |
|             arg_cat_optionv(syntax,
 | |
|                             sizeof(syntax),
 | |
|                             shortopts,
 | |
|                             longopts,
 | |
|                             datatype,
 | |
|                             table[tabindex]->flag & ARG_HASOPTVALUE,
 | |
|                             ", ");
 | |
|             fprintf(fp, format, syntax, glossary);
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * Print a piece of text formatted, which means in a column with a
 | |
|  * left and a right margin. The lines are wrapped at whitspaces next
 | |
|  * to right margin. The function does not indent the first line, but
 | |
|  * only the following ones.
 | |
|  *
 | |
|  * Example:
 | |
|  * arg_print_formatted( fp, 0, 5, "Some text that doesn't fit." )
 | |
|  * will result in the following output:
 | |
|  *
 | |
|  * Some
 | |
|  * text
 | |
|  * that
 | |
|  * doesn'
 | |
|  * t fit.
 | |
|  *
 | |
|  * Too long lines will be wrapped in the middle of a word.
 | |
|  *
 | |
|  * arg_print_formatted( fp, 2, 7, "Some text that doesn't fit." )
 | |
|  * will result in the following output:
 | |
|  *
 | |
|  * Some
 | |
|  *   text
 | |
|  *   that
 | |
|  *   doesn'
 | |
|  *   t fit.
 | |
|  *
 | |
|  * As you see, the first line is not indented. This enables output of
 | |
|  * lines, which start in a line where output already happened.
 | |
|  *
 | |
|  * Author: Uli Fouquet
 | |
|  */
 | |
| void arg_print_formatted( FILE *fp,
 | |
|                           const unsigned lmargin,
 | |
|                           const unsigned rmargin,
 | |
|                           const char *text )
 | |
| {
 | |
|     const unsigned textlen = strlen( text );
 | |
|     unsigned line_start = 0;
 | |
|     unsigned line_end = textlen + 1;
 | |
|     const unsigned colwidth = (rmargin - lmargin) + 1;
 | |
| 
 | |
|     /* Someone doesn't like us... */
 | |
|     if ( line_end < line_start )
 | |
|     { fprintf( fp, "%s\n", text ); }
 | |
| 
 | |
|     while (line_end - 1 > line_start )
 | |
|     {
 | |
|         /* Eat leading whitespaces. This is essential because while
 | |
|            wrapping lines, there will often be a whitespace at beginning
 | |
|            of line */
 | |
|         while ( isspace((int) *(text + line_start)) )
 | |
|         { line_start++; }
 | |
| 
 | |
|         if ((line_end - line_start) > colwidth )
 | |
|         { line_end = line_start + colwidth; }
 | |
| 
 | |
|         /* Find last whitespace, that fits into line */
 | |
|         while ( ( line_end > line_start )
 | |
|                 && ( line_end - line_start > colwidth )
 | |
|                 && !isspace((int) *(text + line_end)))
 | |
|         { line_end--; }
 | |
| 
 | |
|         /* Do not print trailing whitespace. If this text
 | |
|            has got only one line, line_end now points to the
 | |
|            last char due to initialization. */
 | |
|         line_end--;
 | |
| 
 | |
|         /* Output line of text */
 | |
|         while ( line_start < line_end )
 | |
|         {
 | |
|             fputc(*(text + line_start), fp );
 | |
|             line_start++;
 | |
|         }
 | |
|         fputc( '\n', fp );
 | |
| 
 | |
|         /* Initialize another line */
 | |
|         if ( line_end + 1 < textlen )
 | |
|         {
 | |
|             unsigned i;
 | |
| 
 | |
|             for (i = 0; i < lmargin; i++ )
 | |
|             { fputc( ' ', fp ); }
 | |
| 
 | |
|             line_end = textlen;
 | |
|         }
 | |
| 
 | |
|         /* If we have to print another line, get also the last char. */
 | |
|         line_end++;
 | |
| 
 | |
|     } /* lines of text */
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * Prints the glossary in strict GNU format.
 | |
|  * Differences to arg_print_glossary() are:
 | |
|  *   - wraps lines after 80 chars
 | |
|  *   - indents lines without shortops
 | |
|  *   - does not accept formatstrings
 | |
|  *
 | |
|  * Contributed by Uli Fouquet
 | |
|  */
 | |
| void arg_print_glossary_gnu(FILE *fp, void * *argtable )
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     int tabindex;
 | |
| 
 | |
|     for(tabindex = 0; !(table[tabindex]->flag & ARG_TERMINATOR); tabindex++)
 | |
|     {
 | |
|         if (table[tabindex]->glossary)
 | |
|         {
 | |
|             char syntax[200] = "";
 | |
|             const char *shortopts = table[tabindex]->shortopts;
 | |
|             const char *longopts  = table[tabindex]->longopts;
 | |
|             const char *datatype  = table[tabindex]->datatype;
 | |
|             const char *glossary  = table[tabindex]->glossary;
 | |
| 
 | |
|             if ( !shortopts && longopts )
 | |
|             {
 | |
|                 /* Indent trailing line by 4 spaces... */
 | |
|                 memset( syntax, ' ', 4 );
 | |
|                 *(syntax + 4) = '\0';
 | |
|             }
 | |
| 
 | |
|             arg_cat_optionv(syntax,
 | |
|                             sizeof(syntax),
 | |
|                             shortopts,
 | |
|                             longopts,
 | |
|                             datatype,
 | |
|                             table[tabindex]->flag & ARG_HASOPTVALUE,
 | |
|                             ", ");
 | |
| 
 | |
|             /* If syntax fits not into column, print glossary in new line... */
 | |
|             if ( strlen(syntax) > 25 )
 | |
|             {
 | |
|                 fprintf( fp, "  %-25s %s\n", syntax, "" );
 | |
|                 *syntax = '\0';
 | |
|             }
 | |
| 
 | |
|             fprintf( fp, "  %-25s ", syntax );
 | |
|             arg_print_formatted( fp, 28, 79, glossary );
 | |
|         }
 | |
|     } /* for each table entry */
 | |
| 
 | |
|     fputc( '\n', fp );
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * Checks the argtable[] array for NULL entries and returns 1
 | |
|  * if any are found, zero otherwise.
 | |
|  */
 | |
| int arg_nullcheck(void * *argtable)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     int tabindex;
 | |
|     /*printf("arg_nullcheck(%p)\n",argtable);*/
 | |
| 
 | |
|     if (!table)
 | |
|         return 1;
 | |
| 
 | |
|     tabindex = 0;
 | |
|     do
 | |
|     {
 | |
|         /*printf("argtable[%d]=%p\n",tabindex,argtable[tabindex]);*/
 | |
|         if (!table[tabindex])
 | |
|             return 1;
 | |
|     } while(!(table[tabindex++]->flag & ARG_TERMINATOR));
 | |
| 
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * arg_free() is deprecated in favour of arg_freetable() due to a flaw in its design.
 | |
|  * The flaw results in memory leak in the (very rare) case that an intermediate
 | |
|  * entry in the argtable array failed its memory allocation while others following
 | |
|  * that entry were still allocated ok. Those subsequent allocations will not be
 | |
|  * deallocated by arg_free().
 | |
|  * Despite the unlikeliness of the problem occurring, and the even unlikelier event
 | |
|  * that it has any deliterious effect, it is fixed regardless by replacing arg_free()
 | |
|  * with the newer arg_freetable() function.
 | |
|  * We still keep arg_free() for backwards compatibility.
 | |
|  */
 | |
| void arg_free(void * *argtable)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     int tabindex = 0;
 | |
|     int flag;
 | |
|     /*printf("arg_free(%p)\n",argtable);*/
 | |
|     do
 | |
|     {
 | |
|         /*
 | |
|            if we encounter a NULL entry then somewhat incorrectly we presume
 | |
|            we have come to the end of the array. It isnt strictly true because
 | |
|            an intermediate entry could be NULL with other non-NULL entries to follow.
 | |
|            The subsequent argtable entries would then not be freed as they should.
 | |
|          */
 | |
|         if (table[tabindex] == NULL)
 | |
|             break;
 | |
| 
 | |
|         flag = table[tabindex]->flag;
 | |
|         free(table[tabindex]);
 | |
|         table[tabindex++] = NULL;
 | |
| 
 | |
|     } while(!(flag & ARG_TERMINATOR));
 | |
| }
 | |
| 
 | |
| /* frees each non-NULL element of argtable[], where n is the size of the number of entries in the array */
 | |
| void arg_freetable(void * *argtable, size_t n)
 | |
| {
 | |
|     struct arg_hdr * *table = (struct arg_hdr * *)argtable;
 | |
|     size_t tabindex = 0;
 | |
|     /*printf("arg_freetable(%p)\n",argtable);*/
 | |
|     for (tabindex = 0; tabindex < n; tabindex++)
 | |
|     {
 | |
|         if (table[tabindex] == NULL)
 | |
|             continue;
 | |
| 
 | |
|         free(table[tabindex]);
 | |
|         table[tabindex] = NULL;
 | |
|     };
 | |
| }
 |