+2006-11-20 Ulrich Drepper <drepper@redhat.com>
+
+ * resolv/mapv4v6addr.h (map_v4v6_address): Optimize a bit.
+
2006-11-18 Bruno Haible <bruno@clisp.org>
* sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Invoke
map_v4v6_address (const char *src, char *dst)
{
u_char *p = (u_char *) dst;
- char tmp[INADDRSZ];
int i;
- /* Stash a temporary copy so our caller can update in place. */
- memcpy (tmp, src, INADDRSZ);
+ /* Move the IPv4 part to the right position. */
+ memcpy (src + 12, src, INADDRSZ);
+
/* Mark this ipv6 addr as a mapped ipv4. */
for (i = 0; i < 10; i++)
*p++ = 0x00;
*p++ = 0xff;
- *p++ = 0xff;
- /* Retrieve the saved copy and we're done. */
- memcpy ((void *) p, tmp, INADDRSZ);
+ *p = 0xff;
}