diff options
| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-07-20 21:06:50 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-07-20 21:06:50 -0700 |
| commit | 2b7a8664fa86a182c053b6743f36a5ea8bf6bf6f (patch) | |
| tree | 0f7562c05a52ebf1045f02ed2e3dadc94aea5d90 /string | |
| parent | 63fbc91bec5623ab002c6e3ae1f3cd08a5f010fd (diff) | |
SSE4.2 strstr/strcasestr for x86-64.
This patch implements SSE4.2 strstr/strcasestr, using Knuth-Morris-Pratt
string searching algorithm.
Diffstat (limited to 'string')
| -rw-r--r-- | string/strcasestr.c | 10 | ||||
| -rw-r--r-- | string/strstr.c | 9 |
2 files changed, 15 insertions, 4 deletions
diff --git a/string/strcasestr.c b/string/strcasestr.c index 92f2eac7c8..088b5d91c7 100644 --- a/string/strcasestr.c +++ b/string/strcasestr.c @@ -1,5 +1,6 @@ /* Return the offset of one string within another. - Copyright (C) 1994, 1996-2000, 2004, 2008 Free Software Foundation, Inc. + Copyright (C) 1994, 1996-2000, 2004, 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 @@ -52,11 +53,16 @@ #undef strcasestr #undef __strcasestr +#ifndef STRCASESTR +#define STRCASESTR __strcasestr +#endif + + /* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive comparison. This function gives unspecified results in multibyte locales. */ char * -__strcasestr (const char *haystack_start, const char *needle_start) +STRCASESTR (const char *haystack_start, const char *needle_start) { const char *haystack = haystack_start; const char *needle = needle_start; 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; |