Support mcount/gprof test with GCC defaulting to PIE
[glibc.git] / manual / examples / mkisock.c
blob5657322631d4d8b77745bfe9dfd7126e0740ee76
1 /* Internet Socket Example
2 Copyright (C) 1991-2017 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <sys/socket.h>
21 #include <netinet/in.h>
23 int
24 make_socket (uint16_t port)
26 int sock;
27 struct sockaddr_in name;
29 /* Create the socket. */
30 sock = socket (PF_INET, SOCK_STREAM, 0);
31 if (sock < 0)
33 perror ("socket");
34 exit (EXIT_FAILURE);
37 /* Give the socket a name. */
38 name.sin_family = AF_INET;
39 name.sin_port = htons (port);
40 name.sin_addr.s_addr = htonl (INADDR_ANY);
41 if (bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0)
43 perror ("bind");
44 exit (EXIT_FAILURE);
47 return sock;