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89 lines
2.8 KiB
C
89 lines
2.8 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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// 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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#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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* @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, 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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* @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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* @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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* @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, int len_first, const char *second_str, int len_second);
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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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#define HTTP_MEM_CHECK(TAG, a, action) if (!(a)) { \
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ESP_LOGE(TAG,"%s:%d (%s): %s", __FILE__, __LINE__, __FUNCTION__, "Memory exhausted"); \
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action; \
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}
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#endif
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