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/* This file is part of GNU Dico
Copyright (C) 2008, 2010 Sergey Poznyakoff
GNU Dico 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 3, or (at your option)
any later version.
GNU Dico 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 GNU Dico. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <xdico.h>
#include <xalloc.h>
#include <xgethostname.h>
#include <xgetdomainname.h>
char *
xdico_local_hostname()
{
struct hostent *hp;
char *hostpart = xgethostname();
char *ret;
hp = gethostbyname(hostpart);
if (hp)
ret = xstrdup(hp->h_name);
else {
char *domainpart = xgetdomainname();
if (domainpart && domainpart[0] && strcmp(domainpart, "(none)")) {
ret = xmalloc(strlen(hostpart) + 1
+ strlen(domainpart) + 1);
strcpy(ret, hostpart);
strcat(ret, ".");
strcat(ret, domainpart);
free(hostpart);
} else
ret = hostpart;
free(domainpart);
}
return ret;
}
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