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https://github.com/gnustep/libs-base.git
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01377d55ee
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@39919 72102866-910b-0410-8b05-ffd578937521
106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
/*
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Copyright (C) 2005 Free Software Foundation
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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*/
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#if defined(__MINGW32__) || defined(__MINGW64__)
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#include <windows.h>
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#include <winsock2.h>
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#else
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#include <time.h>
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#include <sys/time.h>
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <signal.h>
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#endif /* __MINGW__ */
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#ifndef INADDR_NONE
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#define INADDR_NONE -1
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#endif
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// Maximum data in single I/O operation
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#define NETBUF_SIZE 4096
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main()
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{
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struct sockaddr_in sin;
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int size = sizeof(sin);
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int status = 1;
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int port;
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int net;
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memset(&sin, '\0', sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_addr.s_addr = htonl(INADDR_ANY);
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sin.sin_port = 0;
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if ((net = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0)
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{
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fprintf(stderr, "unable to create socket 1\n");
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return 2;
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}
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if (setsockopt(net, SOL_SOCKET, SO_REUSEADDR,
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(char *)&status, sizeof(status)) < 0)
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{
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fprintf(stderr, "unable to set socket 1 option\n");
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(void) close(net);
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return 1;
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}
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if (bind(net, (struct sockaddr *)&sin, sizeof(sin)) < 0)
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{
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fprintf(stderr, "unable to bind socket 1\n");
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(void) close(net);
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return 2;
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}
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listen(net, 5);
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if (getsockname(net, (struct sockaddr*)&sin, &size) < 0)
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{
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fprintf(stderr, "unable to get socket 1 name\n");
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(void) close(net);
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return 2;
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}
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port = sin.sin_port;
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memset(&sin, '\0', sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_addr.s_addr = htonl(INADDR_ANY);
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sin.sin_port = port;
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if ((net = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0)
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{
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fprintf(stderr, "unable to create socket 2\n");
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return 2;
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}
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if (setsockopt(net, SOL_SOCKET, SO_REUSEADDR,
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(char *)&status, sizeof(status)) < 0)
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{
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fprintf(stderr, "unable to set socket 2 option\n");
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(void) close(net);
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return 1;
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}
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/*
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* Now ... this bind should fail unless SO_REUSEADDR is broken.
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*/
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if (bind(net, (struct sockaddr *)&sin, sizeof(sin)) < 0)
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{
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return 0;
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}
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return 1;
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}
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