/*

  File: user_group.c

  (Linux Access Control List Management)

  Copyright (C) 1999, 2000

  Andreas Gruenbacher, <a.gruenbacher@bestbits.at>

  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 library; if not, write to the Free Software

  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,

  USA.

*/

#include "config.h"

#include <stdlib.h>

#include <stdio.h>

#include "user_group.h"

const char *

user_name(uid_t uid, int numeric)

{

	struct passwd *passwd = numeric ? NULL : getpwuid(uid);

	static char uid_str[22];

	int ret;

	if (passwd != NULL)

		return passwd->pw_name;

	ret = snprintf(uid_str, sizeof(uid_str), "%ld", (long)uid);

	if (ret < 1 || (size_t)ret >= sizeof(uid_str))

		return "?";

	return uid_str;

}

const char *

group_name(gid_t gid, int numeric)

{

	struct group *group = numeric ? NULL : getgrgid(gid);

	static char gid_str[22];

	int ret;

	if (group != NULL)

		return group->gr_name;

	ret = snprintf(gid_str, sizeof(gid_str), "%ld", (long)gid);

	if (ret < 1 || (size_t)ret >= sizeof(gid_str))

		return "?";

	return gid_str;

}