diff options
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/last_char_is.c | 33 | ||||
| -rw-r--r-- | libbb/libbb.h | 1 |
2 files changed, 34 insertions, 0 deletions
diff --git a/libbb/last_char_is.c b/libbb/last_char_is.c new file mode 100644 index 0000000..b4bb7ec --- /dev/null +++ b/libbb/last_char_is.c @@ -0,0 +1,33 @@ +/* + * busybox library eXtended function + * + * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov> + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "libbb.h" + +/* Find out if the last character of a string matches the one given Don't + * underrun the buffer if the string length is 0. Also avoids a possible + * space-hogging inline of strlen() per usage. + */ +int last_char_is(const char *s, const int c) +{ + int l = strlen(s); + if (l==0) return 0; + return (s[l-1] == c); +} diff --git a/libbb/libbb.h b/libbb/libbb.h index 2937b48..0ceb983 100644 --- a/libbb/libbb.h +++ b/libbb/libbb.h @@ -218,6 +218,7 @@ int klogctl(int type, char * b, int len); char *xgetcwd(char *cwd); char *concat_path_file(const char *path, const char *filename); +int last_char_is(const char *s, const int c); typedef struct ar_headers_s { char *name; |