X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstring%2Fstrchr.c;h=3cbc828bebf705ae570e1bfd0c2b518f929c054c;hb=c00cdefa1da17f60b3179704528582ef320e61b8;hp=e606f4fee48f3155c22e426f69d9495b60979dd9;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/string/strchr.c b/src/string/strchr.c
index e606f4fe..3cbc828b 100644
--- a/src/string/strchr.c
+++ b/src/string/strchr.c
@@ -1,23 +1,7 @@
 #include <string.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <limits.h>
-
-#define ALIGN (sizeof(size_t)-1)
-#define ONES ((size_t)-1/UCHAR_MAX)
-#define HIGHS (ONES * (UCHAR_MAX/2+1))
-#define HASZERO(x) ((x)-ONES & ~(x) & HIGHS)
 
 char *strchr(const char *s, int c)
 {
-	c = (char)c;
-	if (!c) return (char *)s + strlen(s);
-	for (; ((uintptr_t)s & ALIGN) && *s && *s != c; s++);
-	if (*s && *s != c) {
-		const size_t *w;
-		size_t k = ONES * c;
-		for (w = (const void *)s; !HASZERO(*w) && !HASZERO(*w^k); w++);
-		for (s = (const void *)w; *s && *s != c; s++);
-	}
-	return *s ? (char *)s : 0;
+	char *r = __strchrnul(s, c);
+	return *(unsigned char *)r == (unsigned char)c ? r : 0;
 }