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Reference domainname(1), and check for too many arguments.

This commit is contained in:
mycroft 1994-09-22 09:41:26 +00:00
parent 667b5ea158
commit ea92d19cb0
2 changed files with 7 additions and 5 deletions
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5
bin/hostname/hostname.1
View File

@ -30,7 +30,7 @@
.\" SUCH DAMAGE. .\" SUCH DAMAGE.
.\" .\"
.\" from: @(#)hostname.1 8.1 (Berkeley) 5/31/93 .\" from: @(#)hostname.1 8.1 (Berkeley) 5/31/93
.\" $Id: hostname.1,v 1.6 1994/09/22 09:25:20 mycroft Exp $ .\" $Id: hostname.1,v 1.7 1994/09/22 09:41:26 mycroft Exp $
.\" .\"
.Dd May 31, 1993 .Dd May 31, 1993
.Dt HOSTNAME 1 .Dt HOSTNAME 1
@ -58,9 +58,8 @@ Trims off any domain information from the printed
name. name.
.El .El
.Sh SEE ALSO .Sh SEE ALSO
.Xr getdomainname 2 , .Xr domainname 1 ,
.Xr gethostname 2 , .Xr gethostname 2 ,
.Xr setdomainname 2 ,
.Xr sethostname 2 .Xr sethostname 2
.Sh HISTORY .Sh HISTORY
The The

7
bin/hostname/hostname.c
View File

@ -39,7 +39,7 @@ static char copyright[] =
#ifndef lint #ifndef lint
/*static char sccsid[] = "from: @(#)hostname.c 8.1 (Berkeley) 5/31/93";*/ /*static char sccsid[] = "from: @(#)hostname.c 8.1 (Berkeley) 5/31/93";*/
static char *rcsid = "$Id: hostname.c,v 1.6 1994/09/22 09:25:22 mycroft Exp $"; static char *rcsid = "$Id: hostname.c,v 1.7 1994/09/22 09:41:28 mycroft Exp $";
#endif /* not lint */ #endif /* not lint */
#include <sys/param.h> #include <sys/param.h>
@ -53,7 +53,7 @@ static char *rcsid = "$Id: hostname.c,v 1.6 1994/09/22 09:25:22 mycroft Exp $";
void usage __P((void)); void usage __P((void));
int int
main(argc,argv) main(argc, argv)
int argc; int argc;
char *argv[]; char *argv[];
{ {
@ -73,6 +73,9 @@ main(argc,argv)
argc -= optind; argc -= optind;
argv += optind; argv += optind;
if (argc > 1)
usage();
if (*argv) { if (*argv) {
if (sethostname(*argv, strlen(*argv))) if (sethostname(*argv, strlen(*argv)))
err(1, "sethostname"); err(1, "sethostname");