added docs and tests for mqtt library, small fixes (removed warnings, option for custom outbox, websocket bug fixed for longer transports). refactored to use common tcp_transport component, support for CMake build system. Closes #2108
125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
// Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <assert.h>
|
|
|
|
#include "http_utils.h"
|
|
|
|
#ifndef mem_check
|
|
#define mem_check(x) assert(x)
|
|
#endif
|
|
|
|
char *http_utils_join_string(const char *first_str, int len_first, const char *second_str, int len_second)
|
|
{
|
|
int first_str_len = len_first > 0 ? len_first : strlen(first_str);
|
|
int second_str_len = len_second > 0 ? len_second : strlen(second_str);
|
|
char *ret = NULL;
|
|
if (first_str_len + second_str_len > 0) {
|
|
ret = calloc(1, first_str_len + second_str_len + 1);
|
|
mem_check(ret);
|
|
memcpy(ret, first_str, first_str_len);
|
|
memcpy(ret + first_str_len, second_str, second_str_len);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
char *http_utils_assign_string(char **str, const char *new_str, int len)
|
|
{
|
|
int l = len;
|
|
if (new_str == NULL) {
|
|
return NULL;
|
|
}
|
|
char *old_str = *str;
|
|
if (l <= 0) {
|
|
l = strlen(new_str);
|
|
}
|
|
if (old_str) {
|
|
old_str = realloc(old_str, l + 1);
|
|
mem_check(old_str);
|
|
old_str[l] = 0;
|
|
} else {
|
|
old_str = calloc(1, l + 1);
|
|
mem_check(old_str);
|
|
}
|
|
memcpy(old_str, new_str, l);
|
|
*str = old_str;
|
|
return old_str;
|
|
}
|
|
|
|
void http_utils_trim_whitespace(char **str)
|
|
{
|
|
char *end, *start;
|
|
if (str == NULL) {
|
|
return;
|
|
}
|
|
start = *str;
|
|
if (start == NULL) {
|
|
return;
|
|
}
|
|
// Trim leading space
|
|
while (isspace((unsigned char)*start)) start ++;
|
|
|
|
if (*start == 0) { // All spaces?
|
|
**str = 0;
|
|
return;
|
|
}
|
|
|
|
// Trim trailing space
|
|
end = (char *)(start + strlen(start) - 1);
|
|
while (end > start && isspace((unsigned char)*end)) {
|
|
end--;
|
|
}
|
|
|
|
// Write new null terminator
|
|
*(end + 1) = 0;
|
|
memmove(*str, start, strlen(start) + 1);
|
|
}
|
|
|
|
char *http_utils_get_string_between(const char *str, const char *begin, const char *end)
|
|
{
|
|
char *found = strstr(str, begin);
|
|
char *ret = NULL;
|
|
if (found) {
|
|
found += strlen(begin);
|
|
char *found_end = strstr(found, end);
|
|
if (found_end) {
|
|
ret = calloc(1, found_end - found + 1);
|
|
mem_check(ret);
|
|
memcpy(ret, found, found_end - found);
|
|
return ret;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int http_utils_str_starts_with(const char *str, const char *start)
|
|
{
|
|
int i;
|
|
int match_str_len = strlen(str);
|
|
int start_len = strlen(start);
|
|
|
|
if (start_len > match_str_len) {
|
|
return -1;
|
|
}
|
|
for (i = 0; i < start_len; i++) {
|
|
if (str[i] != start[i]) {
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|