46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* hostname.c -- use uname() to get the name of the host
|
|
Copyright (C) 1992 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#if defined(STDC_HEADERS) || defined(USG)
|
|
#include <string.h>
|
|
#ifndef index
|
|
#define index strchr
|
|
#endif
|
|
#else
|
|
#include <strings.h>
|
|
#endif
|
|
|
|
#include <sys/utsname.h>
|
|
|
|
/* Put this host's name into NAME, using at most NAMELEN characters */
|
|
|
|
int
|
|
gethostname(name, namelen)
|
|
char *name;
|
|
int namelen;
|
|
{
|
|
struct utsname ugnm;
|
|
|
|
if (uname(&ugnm) < 0)
|
|
return (-1);
|
|
|
|
(void) strncpy(name, ugnm.nodename, namelen-1);
|
|
name[namelen-1] = '\0';
|
|
|
|
return (0);
|
|
}
|