X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstring%2Fstrchrnul.c;h=39e2635b3064df1e2b15cb45d60c654238ad8f79;hb=d4f987e4ac44e4e5ca2bcf68365b4c2b77bdf2d0;hp=05700ad64eea55cb8f6dffad0fe6dd97feb3d31c;hpb=571744447c23f91feb6439948f3a619aca850dfb;p=musl

diff --git a/src/string/strchrnul.c b/src/string/strchrnul.c
index 05700ad6..39e2635b 100644
--- a/src/string/strchrnul.c
+++ b/src/string/strchrnul.c
@@ -1,7 +1,6 @@
 #include <string.h>
 #include <stdint.h>
 #include <limits.h>
-#include "libc.h"
 
 #define ALIGN (sizeof(size_t))
 #define ONES ((size_t)-1/UCHAR_MAX)
@@ -10,16 +9,19 @@
 
 char *__strchrnul(const char *s, int c)
 {
-	size_t *w, k;
-
 	c = (unsigned char)c;
 	if (!c) return (char *)s + strlen(s);
 
+#ifdef __GNUC__
+	typedef size_t __attribute__((__may_alias__)) word;
+	const word *w;
 	for (; (uintptr_t)s % ALIGN; s++)
 		if (!*s || *(unsigned char *)s == c) return (char *)s;
-	k = ONES * c;
+	size_t k = ONES * c;
 	for (w = (void *)s; !HASZERO(*w) && !HASZERO(*w^k); w++);
-	for (s = (void *)w; *s && *(unsigned char *)s != c; s++);
+	s = (void *)w;
+#endif
+	for (; *s && *(unsigned char *)s != c; s++);
 	return (char *)s;
 }