Return to hostname.c CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / bin

Annotation of 43BSDTahoe/bin/hostname.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983, 1988 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #ifndef lint
                     19: char copyright[] =
                     20: "@(#) Copyright (c) 1983, 1988 Regents of the University of California.\n\
                     21:  All rights reserved.\n";
                     22: #endif /* not lint */
                     23: 
                     24: #ifndef lint
                     25: static char sccsid[] = "@(#)hostname.c 5.3 (Berkeley) 6/18/88";
                     26: #endif /* not lint */
                     27: 
                     28: #include <stdio.h>
                     29: #include <sys/param.h>
                     30: 
                     31: main(argc,argv)
                     32:        int argc;
                     33:        char **argv;
                     34: {
                     35:        extern int optind;
                     36:        int ch, sflag;
                     37:        char hostname[MAXHOSTNAMELEN], *p, *index();
                     38: 
                     39:        sflag = 0;
                     40:        while ((ch = getopt(argc, argv, "s")) != EOF)
                     41:                switch((char)ch) {
                     42:                case 's':
                     43:                        sflag = 1;
                     44:                        break;
                     45:                case '?':
                     46:                default:
                     47:                        fputs("hostname [-s] [hostname]\n", stderr);
                     48:                        exit(1);
                     49:                }
                     50:        argv += optind;
                     51: 
                     52:        if (*argv) {
                     53:                if (sethostname(*argv, strlen(*argv))) {
                     54:                        perror("sethostname");
                     55:                        exit(1);
                     56:                }
                     57:        } else {
                     58:                if (gethostname(hostname, sizeof(hostname))) {
                     59:                        perror("gethostname");
                     60:                        exit(1);
                     61:                }
                     62:                if (sflag && (p = index(hostname, '.')))
                     63:                        *p = '\0';
                     64:                puts(hostname);
                     65:        }
                     66:        exit(0);
                     67: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.