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/* MIT License
*
* Copyright (c) 2018 John Schember
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* SPDX-License-Identifier: MIT
*/
#include "ares_private.h"
void ares_strsplit_free(char **elms, size_t num_elm)
{
ares_free_array(elms, num_elm, ares_free);
}
char **ares_strsplit_duplicate(char **elms, size_t num_elm)
{
size_t i;
char **out;
if (elms == NULL || num_elm == 0) {
return NULL; /* LCOV_EXCL_LINE: DefensiveCoding */
}
out = ares_malloc_zero(sizeof(*elms) * num_elm);
if (out == NULL) {
return NULL; /* LCOV_EXCL_LINE: OutOfMemory */
}
for (i = 0; i < num_elm; i++) {
out[i] = ares_strdup(elms[i]);
if (out[i] == NULL) {
ares_strsplit_free(out, num_elm); /* LCOV_EXCL_LINE: OutOfMemory */
return NULL; /* LCOV_EXCL_LINE: OutOfMemory */
}
}
return out;
}
char **ares_strsplit(const char *in, const char *delms, size_t *num_elm)
{
ares_status_t status;
ares_buf_t *buf = NULL;
char **out = NULL;
if (in == NULL || delms == NULL || num_elm == NULL) {
return NULL; /* LCOV_EXCL_LINE: DefensiveCoding */
}
*num_elm = 0;
buf = ares_buf_create_const((const unsigned char *)in, ares_strlen(in));
if (buf == NULL) {
return NULL;
}
status = ares_buf_split_str(
buf, (const unsigned char *)delms, ares_strlen(delms),
ARES_BUF_SPLIT_NO_DUPLICATES | ARES_BUF_SPLIT_CASE_INSENSITIVE, 0, &out,
num_elm);
if (status != ARES_SUCCESS) {
goto done;
}
done:
ares_buf_destroy(buf);
if (status != ARES_SUCCESS) {
out = NULL;
}
return out;
}
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