Logo Search packages:      
Sourcecode: acl version File versions

user_group.c

/*
  File: user_group.c
  (Linux Access Control List Management)

  Copyright (C) 1999, 2000
  Andreas Gruenbacher, <a.gruenbacher@computer.org>
      
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library 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
  Library General Public License for more details.

  You should have received a copy of the GNU Library 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 <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;
}


Generated by  Doxygen 1.6.0   Back to index