mpv/osdep/strsep.c

60 lines
1.4 KiB
C

/*
* strsep implementation for systems that do not have it in libc
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <string.h>
#include "config.h"
#include "strsep.h"
char *strsep(char **stringp, const char *delim) {
char *begin, *end;
begin = *stringp;
if(begin == NULL)
return NULL;
if(delim[0] == '\0' || delim[1] == '\0') {
char ch = delim[0];
if(ch == '\0')
end = NULL;
else {
if(*begin == ch)
end = begin;
else if(*begin == '\0')
end = NULL;
else
end = strchr(begin + 1, ch);
}
}
else
end = strpbrk(begin, delim);
if(end) {
*end++ = '\0';
*stringp = end;
}
else
*stringp = NULL;
return begin;
}