46 lines
731 B
C
46 lines
731 B
C
#ifndef lint
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static char rcsid[] = "$Id: domainname.c,v 1.3 1993/09/10 01:24:46 jtc Exp $";
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#endif /* not lint */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/param.h>
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static void usage __P((void));
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main(argc, argv)
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int argc;
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char **argv;
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{
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char dom[MAXHOSTNAMELEN];
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if( argc>2 ) {
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usage ();
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/* NOTREACHED */
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}
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if( argc==2 ) {
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if( setdomainname(argv[1], strlen(argv[1])+1) == -1) {
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perror("setdomainname");
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exit(1);
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}
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} else {
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if( getdomainname(dom, sizeof(dom)) == -1) {
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perror("getdomainname");
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exit(1);
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}
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printf("%s\n", dom);
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}
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exit(0);
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}
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static void
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usage ()
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{
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(void)fprintf(stderr, "usage: domainname [name-of-domain]\n");
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exit(1);
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}
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