diff options
Diffstat (limited to 'sunrpc/getrpcport.c')
-rw-r--r-- | sunrpc/getrpcport.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/sunrpc/getrpcport.c b/sunrpc/getrpcport.c index 07ee8c0..8fde0a9 100644 --- a/sunrpc/getrpcport.c +++ b/sunrpc/getrpcport.c @@ -1,3 +1,21 @@ +/* Obtain the RPC port number for an RPC service on a host. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, see <http://www.gnu.org/licenses/>. */ + /* * Copyright (c) 2010, Oracle America, Inc. * @@ -43,26 +61,8 @@ int getrpcport (const char *host, u_long prognum, u_long versnum, u_int proto) { struct sockaddr_in addr; - struct hostent hostbuf, *hp; - size_t buflen; - char *buffer; - int herr; - - buflen = 1024; - buffer = __alloca (buflen); - while (__gethostbyname_r (host, &hostbuf, buffer, buflen, &hp, &herr) != 0 - || hp == NULL) - if (herr != NETDB_INTERNAL || errno != ERANGE) - return 0; - else - { - /* Enlarge the buffer. */ - buflen *= 2; - buffer = __alloca (buflen); - } - memcpy ((char *) &addr.sin_addr, hp->h_addr, hp->h_length); - addr.sin_family = AF_INET; - addr.sin_port = 0; + if (__libc_rpc_gethostbyname (host, &addr) != 0) + return 0; return pmap_getport (&addr, prognum, versnum, proto); } |