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Diffstat (limited to 'missing/memcmp.c')
-rw-r--r--missing/memcmp.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/missing/memcmp.c b/missing/memcmp.c
index 9edc9c13b9f..5b3ad3817a5 100644
--- a/missing/memcmp.c
+++ b/missing/memcmp.c
@@ -1,16 +1,15 @@
/* public domain rewrite of memcmp(3) */
+#include <stddef.h>
+
int
-memcmp(s1,s2,len)
- char *s1;
- char *s2;
- register int len;
+memcmp(const void *s1, const void *s2, size_t len)
{
register unsigned char *a = (unsigned char*)s1;
register unsigned char *b = (unsigned char*)s2;
register int tmp;
- while (len--) {
+ for (; len; --len) {
if (tmp = *a++ - *b++)
return tmp;
}