Files
esp-idf/components/esp_http_client/lib/include/http_utils.h
nilesh.kale f638090179 fix(esp_http_client): Revert Deprecated Tag on Previously Marked Private API
This commit removes depcriacted tag marked on priavte APIs'
http_utils_get_string_between() and http_utils_get_string_after().
As these are not publick API, necessary changes been applied on these
APIs' directly withput adding new similar one and marking them as depricated.
2025-01-16 17:20:27 +05:30

143 lines
5.8 KiB
C

/*
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _HTTP_UTILS_H_
#define _HTTP_UTILS_H_
#include <sys/time.h>
/**
* Macro which can be used to check the error code. If the code is not ESP_OK, it prints the message and returns.
* It logs the message in debug mode.
*/
#define HTTP_RET_ON_ERR_DBG(x, log_tag, format, ...) do { \
esp_err_t err_rc_ = (x); \
if (unlikely(err_rc_ != ESP_OK)) { \
ESP_LOGD(log_tag, "%s(%d): " format, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
return err_rc_; \
} \
} while(0)
/**
* Macro which can be used to check the condition. If the condition is not 'true', it prints the message
* and returns with the supplied 'err_code'.
* It logs the message in debug mode.
*/
#define HTTP_RET_ON_FALSE_DBG(a, err_code, log_tag, format, ...) do { \
if (unlikely(!(a))) { \
ESP_LOGD(log_tag, "%s(%d): " format, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
return err_code; \
} \
} while(0)
/**
* Macro which can be used to check the condition. If the condition is not 'true', it prints the message,
* sets the local variable 'ret' to the supplied 'err_code', and then exits by jumping to 'goto_tag'.
* It logs the message in debug mode.
*/
#define HTTP_GOTO_ON_FALSE_DBG(a, err_code, goto_tag, log_tag, format, ...) do { \
if (unlikely(!(a))) { \
ESP_LOGD(log_tag, "%s(%d): " format, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
ret = err_code; \
goto goto_tag; \
} \
} while (0)
/**
* @brief Assign new_str to *str pointer, and realloc *str if it not NULL
*
* @param str pointer to string pointer
* @param new_str assign this string to str
* @param len length of string, less than 0 if new_str is zero terminated
*
* @return
* - new_str pointer
* - NULL
*/
char *http_utils_assign_string(char **str, const char *new_str, int len);
/**
* @brief Realloc *str and append new_str to it if new_str is not NULL; return *str pointer if new_str is NULL
*
* @param str pointer to string pointer
* @param new_str append this string to str
* @param len length of string, less than 0 if new_str is zero terminated
*
* @return
* - *str pointer
*/
char *http_utils_append_string(char **str, const char *new_str, int len);
/**
* @brief Remove white space at begin and end of string
*
* @param[in] str The string
*
* @return New strings have been trimmed
*/
void http_utils_trim_whitespace(char **str);
/**
* @brief Extracts the substring between two specified delimiters.
* Allocates memory for the extracted substring and stores it in `out`.
* The caller must free the allocated memory when no longer needed.
*
* @param[in] str The source string to search.
* @param[in] begin The starting delimiter string.
* @param[in] end The ending delimiter string.
* @param[out] out Pointer to store the allocated substring. Set to NULL if the substring is not found.
*
* @return
* - ESP_OK: Operation succeeded (even if no substring is found).
* - ESP_ERR_NO_MEM: Memory allocation failed.
*/
esp_err_t http_utils_get_string_between(const char *str, const char *begin, const char *end, char **out);
/**
* @brief Extracts the substring starting after a specified delimiter until the end of the source string.
* Allocates memory for the extracted substring and stores it in `out`.
* The caller must free the allocated memory when no longer needed.
*
* @param[in] str The source string to search.
* @param[in] begin The delimiter string to search for.
* @param[out] out Pointer to store the allocated substring. Set to NULL if the substring is not found.
*
* @return
* - ESP_OK: Operation succeeded (even if no substring is found).
* - ESP_ERR_NO_MEM: Memory allocation failed.
*/
esp_err_t http_utils_get_string_after(const char *str, const char *begin, char **out);
/**
* @brief Join 2 strings to one
* It will allocate a new memory space for this string, so you need to free it when no longer use
*
* @param[in] first_str The first string
* @param[in] len_first The length first
* @param[in] second_str The second string
* @param[in] len_second The length second
*
* @return
* - New string pointer
* - NULL: Invalid input
*/
char *http_utils_join_string(const char *first_str, size_t len_first, const char *second_str, size_t len_second);
/**
* @brief Check if ``str`` is start with ``start``
*
* @param[in] str The string
* @param[in] start The start
*
* @return
* - (-1) if length of ``start`` larger than length of ``str``
* - (1) if ``start`` NOT starts with ``start``
* - (0) if ``str`` starts with ``start``
*/
int http_utils_str_starts_with(const char *str, const char *start);
#endif