/* -*-c-*- */ /* gethostname emulation for SysV and POSIX.1. 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 of the License, 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* David MacKenzie */ #include "config.h" #ifdef HAVE_UNAME # include #endif /* Put up to LEN chars of the host name into NAME. Null terminate it if the name is shorter than LEN. Return 0 if ok, -1 if error. */ int gethostname(char *name, int len) { #ifdef HAVE_UNAME struct utsname uts; if (uname (&uts) == -1) return -1; if (len > sizeof (uts.nodename)) { /* More space than we need is available. */ name[sizeof (uts.nodename)] = '\0'; len = sizeof (uts.nodename); } strncpy (name, uts.nodename, len); #else /* Hardcode your system name if you want. */ strcpy (name, ""); #endif return 0; }