Annotation of dgamelaunch-openbsd/last_char_is.c, Revision 1.1.1.1
1.1 rubenllo 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:
24: /* Find out if the last character of a string matches the one given Don't
25: * underrun the buffer if the string length is 0. Also avoids a possible
26: * space-hogging inline of strlen() per usage.
27: */
28: char *
29: 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: {
37: return sret;
38: }
39: else
40: {
41: return NULL;
42: }
43: }
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