From 2b7a8664fa86a182c053b6743f36a5ea8bf6bf6f Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 20 Jul 2009 21:06:50 -0700 Subject: SSE4.2 strstr/strcasestr for x86-64. This patch implements SSE4.2 strstr/strcasestr, using Knuth-Morris-Pratt string searching algorithm. --- string/strstr.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'string/strstr.c') diff --git a/string/strstr.c b/string/strstr.c index a9dc312992..ef45f82758 100644 --- a/string/strstr.c +++ b/string/strstr.c @@ -1,5 +1,6 @@ /* Return the offset of one string within another. - Copyright (C) 1994,1996,1997,2000,2001,2003,2008 Free Software Foundation, Inc. + Copyright (C) 1994,1996,1997,2000,2001,2003,2008,2009 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -40,11 +41,15 @@ #undef strstr +#ifndef STRSTR +#define STRSTR strstr +#endif + /* Return the first occurrence of NEEDLE in HAYSTACK. Return HAYSTACK if NEEDLE is empty, otherwise NULL if NEEDLE is not found in HAYSTACK. */ char * -strstr (const char *haystack_start, const char *needle_start) +STRSTR (const char *haystack_start, const char *needle_start) { const char *haystack = haystack_start; const char *needle = needle_start; -- cgit v1.2.3