1 /* str/findnext.c - Find the next instance of a single character
2 * Copyright (C) 2001 Bruce Guenter <bruceg@em.ca>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18 #include <string.h>
19 #include "str.h"
20
str_findnext(const str * s,char ch,unsigned pos)21 int str_findnext(const str* s, char ch, unsigned pos)
22 {
23 char* p;
24 if (pos >= s->len) return -1;
25 p = memchr(s->s+pos, ch, s->len-pos);
26 if (!p) return -1;
27 return p - s->s;
28 }
29