blob: 65e6cdf044eaaaf5068a2516fe2cc5dfbd1fcd95
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * busybox library eXtended function |
4 | * |
5 | * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov> |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
8 | */ |
9 | |
10 | #include "libbb.h" |
11 | |
12 | /* Find out if the last character of a string matches the one given. |
13 | * Don't underrun the buffer if the string length is 0. |
14 | */ |
15 | char* FAST_FUNC last_char_is(const char *s, int c) |
16 | { |
17 | if (s && *s) { |
18 | size_t sz = strlen(s) - 1; |
19 | s += sz; |
20 | if ( (unsigned char)*s == c) |
21 | return (char*)s; |
22 | } |
23 | return NULL; |
24 | } |
25 |