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Handle simple cases (strlen(charset) <= 1) more efficiently.

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This commit is contained in:
joerg 2011-11-22 00:37:09 +00:00
parent 9cf8fb38ac
commit 64680c6b13
1 changed files with 7 additions and 2 deletions
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9
lib/libc/string/strpbrk.c
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@ -1,4 +1,4 @@
/* $NetBSD: strpbrk.c,v 1.19 2008/09/24 16:58:53 christos Exp $ */
/* $NetBSD: strpbrk.c,v 1.20 2011/11/22 00:37:09 joerg Exp $ */
/*-
* Copyright (c) 2008 Joerg Sonnenberger
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: strpbrk.c,v 1.19 2008/09/24 16:58:53 christos Exp $");
__RCSID("$NetBSD: strpbrk.c,v 1.20 2011/11/22 00:37:09 joerg Exp $");
#include <assert.h>
#include <inttypes.h>
@ -60,6 +60,11 @@ strpbrk(const char *s, const char *charset)
_DIAGASSERT(s != NULL);
_DIAGASSERT(charset != NULL);
if (charset[0] == '\0')
return NULL;
if (charset[1] == '\0')
return strchr(s, charset[0]);
for (; *charset != '\0'; ++charset)
ADD_TO_SET(UC(*charset));