Author: ume
Date: Mon Dec 21 16:55:36 2015
New Revision: 292550
URL: https://svnweb.freebsd.org/changeset/base/292550
Log:
Simplify _map_v4v6_address().
Suggested by: hrs
MFC after: 1 week
Modified:
head/lib/libc/net/map_v4v6.c
Modified: head/lib/libc/net/map_v4v6.c
==============================================================================
--- head/lib/libc/net/map_v4v6.c Mon Dec 21 16:12:41 2015
(r292549)
+++ head/lib/libc/net/map_v4v6.c Mon Dec 21 16:55:36 2015
(r292550)
@@ -78,19 +78,15 @@ typedef union {
void
_map_v4v6_address(const char *src, char *dst)
{
- u_char *p = (u_char *)dst;
char tmp[NS_INADDRSZ];
- int i;
/* Stash a temporary copy so our caller can update in place. */
memcpy(tmp, src, NS_INADDRSZ);
/* Mark this ipv6 addr as a mapped ipv4. */
- for (i = 0; i < 10; i++)
- *p++ = 0x00;
- *p++ = 0xff;
- *p++ = 0xff;
+ memset(&dst[0], 0, 10);
+ memset(&dst[10], 0xff, 2);
/* Retrieve the saved copy and we're done. */
- memcpy((void*)p, tmp, NS_INADDRSZ);
+ memcpy(&dst[12], tmp, NS_INADDRSZ);
}
void
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