From 3632e2fabdbfe3a279e2464088af05fbe2956e1d Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Fri, 15 Jun 2001 20:02:37 +0000
Subject: Make strrchr not call other string functions.  Hopefully speeding it
 a bit.

---
 libc/string/string.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

(limited to 'libc')

diff --git a/libc/string/string.c b/libc/string/string.c
index bb524eeac..27649b43b 100644
--- a/libc/string/string.c
+++ b/libc/string/string.c
@@ -197,21 +197,20 @@ weak_alias(strchr, index);
 /********************** Function strrchr ************************************/
 
 #ifdef L_strrchr
+
 char *strrchr(const char *str, int c)
 {
 	register char *prev = 0;
 	register char *ptr = (char *) str;
 
-	/* For null it's just like strlen */
-	if (c == '\0')
-		return ptr + strlen(ptr);
-
-	/* everything else just step along the string. */
-	while ((ptr = strchr(ptr, c)) != 0) {
-		prev = ptr;
+	while (*ptr != '\0') {
+		if (*ptr == c)
+			prev = ptr;
 		ptr++;
 	}
-	return prev;
+	if (c == '\0')
+		return(ptr);
+	return(prev);
 }
 
 weak_alias(strrchr, rindex);
-- 
cgit v1.2.3