diff options
Diffstat (limited to 'source4/heimdal/lib/roken/inet_ntop.c')
| -rw-r--r-- | source4/heimdal/lib/roken/inet_ntop.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/source4/heimdal/lib/roken/inet_ntop.c b/source4/heimdal/lib/roken/inet_ntop.c index 0c72b27fc6..b3c327cc3e 100644 --- a/source4/heimdal/lib/roken/inet_ntop.c +++ b/source4/heimdal/lib/roken/inet_ntop.c @@ -83,6 +83,7 @@ inet_ntop_v6 (const void *src, char *dst, size_t size) const struct in6_addr *addr = (struct in6_addr *)src; const u_char *ptr = addr->s6_addr; const char *orig_dst = dst; + int compressed = 0; if (size < INET6_ADDRSTRLEN) { errno = ENOSPC; @@ -91,6 +92,26 @@ inet_ntop_v6 (const void *src, char *dst, size_t size) for (i = 0; i < 8; ++i) { int non_zerop = 0; + if (compressed == 0 && + ptr[0] == 0 && ptr[1] == 0 && + i <= 5 && + ptr[2] == 0 && ptr[3] == 0 && + ptr[4] == 0 && ptr[5] == 0) { + + compressed = 1; + + if (i == 0) + *dst++ = ':'; + *dst++ = ':'; + + for (ptr += 6, i += 3; + i < 8 && ptr[0] == 0 && ptr[1] == 0; + ++i, ptr += 2); + + if (i >= 8) + break; + } + if (non_zerop || (ptr[0] >> 4)) { *dst++ = xdigits[ptr[0] >> 4]; non_zerop = 1; |