From: Scott MacVicar <scottmac@php.net>
Date: Mon, 21 Jul 2008 18:47:02 +0000 (+0000)
Subject: Optimisation for zend_memnstr when the needle is only a single character. (Patch... 
X-Git-Tag: php-5.3.0alpha1~229
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e19f52047cb8b6683cce156a5e44d0fdac27dcb4;p=php

Optimisation for zend_memnstr when the needle is only a single character. (Patch by Michal Dziemianko - GSoC08)
---

diff --git a/Zend/zend_operators.h b/Zend/zend_operators.h
index fb19c0319d..658e16c71d 100644
--- a/Zend/zend_operators.h
+++ b/Zend/zend_operators.h
@@ -220,6 +220,10 @@ zend_memnstr(char *haystack, char *needle, int needle_len, char *end)
 	char *p = haystack;
 	char ne = needle[needle_len-1];
 
+	if (needle_len == 1) {
+		return (char *)memchr(p, *needle, (end-p));
+	}
+
 	end -= needle_len;
 
 	while (p <= end) {