From 6597f9ac133fd4f47dea307d6260fd52eae77816 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Wed, 13 Apr 2011 08:36:29 -0400 Subject: implement memrchr (nonstandard) and optimize strrchr in terms of it --- src/string/strrchr.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'src/string/strrchr.c') diff --git a/src/string/strrchr.c b/src/string/strrchr.c index 31c8e0b8..9c683087 100644 --- a/src/string/strrchr.c +++ b/src/string/strrchr.c @@ -1,9 +1,8 @@ #include +void *__memrchr(const void *, int, size_t); + char *strrchr(const char *s, int c) { - const char *p; - c = (char)c; - for (p=s+strlen(s); p>=s && *p!=c; p--); - return p>=s ? (char *)p : 0; + return __memrchr(s, c, strlen(s)); } -- cgit v1.2.1