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getent_pwent.c

/* Test out of order operations with {set,get,end}pwent */

/* 
   Unix SMB/Netbios implementation.
   Version 1.9.
   Security context tests
   Copyright (C) Tim Potter 2000
   
   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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <stdio.h>
#include <pwd.h>

int main (int argc, char **argv)
{
      struct passwd *pw;
      int found = 0;
      int num_users, i;

      /* Test getpwent() without setpwent() */

      for (i = 0; i < 100; i++) {
            pw = getpwent();

            /* This is supposed to work */

#if 0
            if (pw != NULL) {
                  printf("FAIL: getpwent() with no setpwent()\n");
                  return 1;
            }
#endif
      }

      /* Work out how many user till first domain user */

      num_users = 0;
      setpwent();

      while (1) {
            pw = getpwent();
            num_users++;

            if (pw == NULL) break;

            if (strchr(pw->pw_name, '/')) {
                  found = 1;
                  break;
            }

      }

      if (!found) {
            printf("FAIL: could not find any domain users\n");
            return 1;
      }

      /* Test stopping getpwent in the middle of a set of users */

      endpwent();

      /* Test setpwent() without any getpwent() calls */

      setpwent();

      for (i = 0; i < (num_users - 1); i++) {
            getpwent();
      }

      endpwent();

      /* Test lots of setpwent() calls */
      
      setpwent();

      for (i = 0; i < (num_users - 1); i++) {
            getpwent();
      }

      for (i = 0; i < 100; i++) {
            setpwent();
      }

      /* Test lots of endpwent() calls */

      setpwent();

      for (i = 0; i < (num_users - 1); i++) {
            getpwent();
      }

      for (i = 0; i < 100; i++) {
            endpwent();
      }

      /* Everything's cool */

      printf("PASS\n");
      return 0;
}

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