diff options
Diffstat (limited to 'contrib/ntp/libntp/socktohost.c')
| -rw-r--r-- | contrib/ntp/libntp/socktohost.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/contrib/ntp/libntp/socktohost.c b/contrib/ntp/libntp/socktohost.c index 3d9ab960..fdf9adb 100644 --- a/contrib/ntp/libntp/socktohost.c +++ b/contrib/ntp/libntp/socktohost.c @@ -36,13 +36,18 @@ socktohost( sockaddr_u addr; size_t octets; int a_info; + int saved_errno; + + saved_errno = socket_errno(); /* reverse the address to purported DNS name */ LIB_GETBUF(pbuf); gni_flags = NI_DGRAM | NI_NAMEREQD; if (getnameinfo(&sock->sa, SOCKLEN(sock), pbuf, LIB_BUFLENGTH, - NULL, 0, gni_flags)) + NULL, 0, gni_flags)) { + errno = saved_errno; return stoa(sock); /* use address */ + } TRACE(1, ("%s reversed to %s\n", stoa(sock), pbuf)); @@ -97,8 +102,10 @@ socktohost( } freeaddrinfo(alist); - if (ai != NULL) + if (ai != NULL) { + errno = saved_errno; return pbuf; /* forward check passed */ + } forward_fail: TRACE(1, ("%s forward check lookup fail: %s\n", pbuf, @@ -106,5 +113,6 @@ socktohost( LIB_GETBUF(pliar); snprintf(pliar, LIB_BUFLENGTH, "%s (%s)", stoa(sock), pbuf); + errno = saved_errno; return pliar; } |
