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/* filesystem.c
* Filesystem utility routines
*
* $Id: filesystem.c,v 1.1 2000/09/28 03:16:16 gram Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
*
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <glib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef WIN32
#include <pwd.h>
#endif
#include "filesystem.h"
const char*
get_home_dir(void)
{
static const char *home = NULL;
#ifdef WIN32
char *homedrive, *homepath;
char *homestring;
char *lastsep;
#else
struct passwd *pwd;
#endif
/* Return the cached value, if available */
if (home)
return home;
#ifdef WIN32
/*
* XXX - should we use USERPROFILE anywhere in this process?
* Is there a chance that it might be set but one or more of
* HOMEDRIVE or HOMEPATH isn't set?
*/
homedrive = getenv("HOMEDRIVE");
if (homedrive != NULL) {
homepath = getenv("HOMEPATH");
if (homepath != NULL) {
/*
* This is cached, so we don't need to worry about
* allocating multiple ones of them.
*/
homestring =
g_malloc(strlen(homedrive) + strlen(homepath) + 1);
strcpy(homestring, homedrive);
strcat(homestring, homepath);
/*
* Trim off any trailing slash or backslash.
*/
lastsep = find_last_pathname_separator(homestring);
if (lastsep != NULL && *(lastsep + 1) == '\0') {
/*
* Last separator is the last character
* in the string. Nuke it.
*/
*lastsep = '\0';
}
home = homestring;
} else
home = homedrive;
} else {
/*
* Try using "windir?
*/
home = "C:";
}
#else
home = getenv("HOME");
if (home == NULL) {
/*
* Get their home directory from the password file.
* If we can't even find a password file entry for them,
* use "/tmp".
*/
pwd = getpwuid(getuid());
if (pwd != NULL) {
/*
* This is cached, so we don't need to worry
* about allocating multiple ones of them.
*/
home = g_strdup(pwd->pw_dir);
} else
home = "/tmp";
}
#endif
return home;
}
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