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			101 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| 
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| //     http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| 
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| #ifndef _HTTP_UTILS_H_
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| #define _HTTP_UTILS_H_
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| #include <sys/time.h>
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| 
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| /**
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|  * @brief      Assign new_str to *str pointer, and realloc *str if it not NULL
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|  *
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|  * @param      str      pointer to string pointer
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|  * @param      new_str  assign this tring to str
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|  * @param      len      length of string, less than 0 if new_str is zero terminated
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|  *
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|  * @return
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|  *  - new_str pointer
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|  *  - NULL
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|  */
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| char *http_utils_assign_string(char **str, const char *new_str, int len);
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| 
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| /**
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|  * @brief      Realloc *str and append new_str to it if new_str is not NULL; return *str pointer if new_str is NULL
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|  *
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|  * @param      str      pointer to string pointer
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|  * @param      new_str  append this string to str
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|  * @param      len      length of string, less than 0 if new_str is zero terminated
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|  *
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|  * @return
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|  *  - *str pointer
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|  */
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| char *http_utils_append_string(char **str, const char *new_str, int len);
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| 
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| /**
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|  * @brief      Remove white space at begin and end of string
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|  *
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|  * @param[in]  str   The string
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|  *
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|  * @return     New strings have been trimmed
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|  */
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| void http_utils_trim_whitespace(char **str);
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| 
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| /**
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|  * @brief      Gets the string between 2 string.
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|  *             It will allocate a new memory space for this string, so you need to free it when no longer use
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|  *
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|  * @param[in]  str    The source string
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|  * @param[in]  begin  The begin string
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|  * @param[in]  end    The end string
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|  *
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|  * @return     The string between begin and end
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|  */
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| char *http_utils_get_string_between(const char *str, const char *begin, const char *end);
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| 
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| /**
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|  * @brief      Join 2 strings to one
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|  *             It will allocate a new memory space for this string, so you need to free it when no longer use
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|  *
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|  * @param[in]  first_str   The first string
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|  * @param[in]  len_first   The length first
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|  * @param[in]  second_str  The second string
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|  * @param[in]  len_second  The length second
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|  *
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|  * @return
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|  * - New string pointer
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|  * - NULL: Invalid input
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|  */
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| char *http_utils_join_string(const char *first_str, size_t len_first, const char *second_str, size_t len_second);
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| 
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| /**
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|  * @brief      Check if ``str`` is start with ``start``
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|  *
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|  * @param[in]  str    The string
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|  * @param[in]  start  The start
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|  *
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|  * @return
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|  *     - (-1) if length of ``start`` larger than length of ``str``
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|  *     - (1) if ``start`` NOT starts with ``start``
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|  *     - (0) if ``str`` starts with ``start``
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|  */
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| int http_utils_str_starts_with(const char *str, const char *start);
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| 
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| 
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| #define HTTP_MEM_CHECK(TAG, a, action) if (!(a)) {                                                  \
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|         ESP_LOGE(TAG,"%s(%d): %s", __FUNCTION__, __LINE__, "Memory exhausted");                     \
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|         action;                                                                                     \
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|         }
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| 
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| #endif
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