1/*
2 * busybox library eXtended function
3 *
4 * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#include <string.h>
23#include "libbb.h"
24
25/* Find out if the last character of a string matches the one given Don't
26 * underrun the buffer if the string length is 0.  Also avoids a possible
27 * space-hogging inline of strlen() per usage.
28 */
29char * last_char_is(const char *s, int c)
30{
31	char *sret;
32	if (!s)
33	    return NULL;
34	sret  = (char *)s+strlen(s)-1;
35	if (sret>=s && *sret == c) {
36		return sret;
37	} else {
38		return NULL;
39	}
40}
41