* missing.h, missing/memcmp.c, missing/memmove.c:

  ANSI compatible interface.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@9470 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 5 deletions

diff --git a/missing/memcmp.c b/missing/memcmp.c
index 9edc9c13b..5b3ad3817 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;
     }