59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/* ----------------------------------------------------------------------- *
|
|
*
|
|
* Copyright 2011 Erwan Velu - All Rights Reserved
|
|
*
|
|
* 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 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.
|
|
*
|
|
* -----------------------------------------------------------------------
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
char *strreplace(const char *string, const char *string_to_replace,
|
|
const char *string_to_insert)
|
|
{
|
|
char *token = NULL;
|
|
char *out = NULL;
|
|
|
|
size_t slen, srlen, silen;
|
|
|
|
token = strstr(string, string_to_replace);
|
|
if (!token)
|
|
return strdup(string);
|
|
|
|
slen = strlen(string);
|
|
srlen = strlen(string_to_replace);
|
|
silen = strlen(string_to_insert);
|
|
|
|
out = malloc(slen - srlen + silen + 1);
|
|
if (!out)
|
|
return NULL;
|
|
|
|
memcpy(out, string, token - string);
|
|
memcpy(out + (token - string), string_to_insert, silen);
|
|
memcpy(out + (token - string) + silen, token + srlen,
|
|
slen - srlen - (token - string) + 1);
|
|
|
|
return out;
|
|
}
|