diff options
| -rw-r--r-- | lib/libc/net/map_v4v6.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/lib/libc/net/map_v4v6.c b/lib/libc/net/map_v4v6.c index 5cfe817..327d6b4 100644 --- a/lib/libc/net/map_v4v6.c +++ b/lib/libc/net/map_v4v6.c @@ -78,15 +78,11 @@ typedef union { void _map_v4v6_address(const char *src, char *dst) { - char tmp[NS_INADDRSZ]; - - /* Stash a temporary copy so our caller can update in place. */ - memcpy(tmp, src, NS_INADDRSZ); + /* Our caller may update in place. */ + memmove(&dst[12], src, NS_INADDRSZ); /* Mark this ipv6 addr as a mapped ipv4. */ - memset(&dst[0], 0, 10); memset(&dst[10], 0xff, 2); - /* Retrieve the saved copy and we're done. */ - memcpy(&dst[12], tmp, NS_INADDRSZ); + memset(&dst[0], 0, 10); } void |
