diff options
Diffstat (limited to 'memrchr.c')
-rw-r--r-- | memrchr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/memrchr.c b/memrchr.c new file mode 100644 index 0000000..6beec6d --- /dev/null +++ b/memrchr.c @@ -0,0 +1,12 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" + + +void * +libsimple_memrchr(const void *s_, int c, size_t n_) +{ + char *s = *(char **)(void *)&s_; + ssize_t n = n_; + while (n-- && (int)s[n] != c); + return n < 0 ? NULL : &s[n]; +} |