1 /* 2 * Copyright (c) 1986 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 char copyright[] = 20 "@(#) Copyright (c) 1986 The Regents of the University of California.\n\ 21 All rights reserved.\n"; 22 #endif /* not lint */ 23 24 #ifndef lint 25 static char sccsid[] = "@(#)ustreamwrite.c 6.4 (Berkeley) 03/07/89"; 26 #endif /* not lint */ 27 28 #include <sys/types.h> 29 #include <sys/socket.h> 30 #include <sys/un.h> 31 #include <stdio.h> 32 33 #define DATA "Half a league, half a league . . ." 34 35 /* 36 * This program connects to the socket named in the command line and sends a 37 * one line message to that socket. The form of the command line is 38 * ustreamwrite pathname 39 */ 40 main(argc, argv) 41 int argc; 42 char *argv[]; 43 { 44 int sock; 45 struct sockaddr_un server; 46 char buf[1024]; 47 48 /* Create socket */ 49 sock = socket(AF_UNIX, SOCK_STREAM, 0); 50 if (sock < 0) { 51 perror("opening stream socket"); 52 exit(1); 53 } 54 /* Connect socket using name specified by command line. */ 55 server.sun_family = AF_UNIX; 56 strcpy(server.sun_path, argv[1]); 57 58 if (connect(sock, &server, sizeof(struct sockaddr_un)) < 0) { 59 close(sock); 60 perror("connecting stream socket"); 61 exit(1); 62 } 63 if (write(sock, DATA, sizeof(DATA)) < 0) 64 perror("writing on stream socket"); 65 } 66