"Robert P. J. Day" | 63fc1a9 | 2006-07-02 19:47:05 +0000 | [diff] [blame^] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | c1bdffe | 2001-04-26 15:56:47 +0000 | [diff] [blame] | 2 | /* |
| 3 | * busybox library eXtended function |
| 4 | * |
| 5 | * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | * |
| 21 | */ |
| 22 | |
Manuel Novoa III | a2949aa | 2001-06-29 18:59:32 +0000 | [diff] [blame] | 23 | #include <string.h> |
Eric Andersen | c1bdffe | 2001-04-26 15:56:47 +0000 | [diff] [blame] | 24 | #include "libbb.h" |
| 25 | |
| 26 | /* Find out if the last character of a string matches the one given Don't |
| 27 | * underrun the buffer if the string length is 0. Also avoids a possible |
| 28 | * space-hogging inline of strlen() per usage. |
| 29 | */ |
Eric Andersen | c911a43 | 2001-05-15 17:42:16 +0000 | [diff] [blame] | 30 | char * last_char_is(const char *s, int c) |
Eric Andersen | c1bdffe | 2001-04-26 15:56:47 +0000 | [diff] [blame] | 31 | { |
Glenn L McGrath | bf91f2e | 2002-12-03 20:34:36 +0000 | [diff] [blame] | 32 | char *sret = (char *)s; |
| 33 | if (sret) { |
| 34 | sret = strrchr(sret, c); |
| 35 | if(sret != NULL && *(sret+1) != 0) |
| 36 | sret = NULL; |
Eric Andersen | 186bf1d | 2001-05-07 23:10:16 +0000 | [diff] [blame] | 37 | } |
Glenn L McGrath | bf91f2e | 2002-12-03 20:34:36 +0000 | [diff] [blame] | 38 | return sret; |
Eric Andersen | c1bdffe | 2001-04-26 15:56:47 +0000 | [diff] [blame] | 39 | } |