1  /* Check if popen return a correct error code if the default shell does not
       2     exists (BZ#29016).
       3  
       4     Copyright (C) 2022 Free Software Foundation, Inc.
       5     This file is part of the GNU C Library.
       6  
       7     The GNU C Library is free software; you can redistribute it and/or
       8     modify it under the terms of the GNU Lesser General Public
       9     License as published by the Free Software Foundation; either
      10     version 2.1 of the License, or (at your option) any later version.
      11  
      12     The GNU C Library is distributed in the hope that it will be useful,
      13     but WITHOUT ANY WARRANTY; without even the implied warranty of
      14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15     Lesser General Public License for more details.
      16  
      17     You should have received a copy of the GNU Lesser General Public
      18     License along with the GNU C Library; if not, see
      19     <https://www.gnu.org/licenses/>.  */
      20  
      21  #include <paths.h>
      22  #include <stdio.h>
      23  #include <errno.h>
      24  #include <support/check.h>
      25  #include <support/xunistd.h>
      26  
      27  int
      28  do_test (void)
      29  {
      30    xunlink (_PATH_BSHELL);
      31  
      32    FILE *f = popen ("/non-existent", "r");
      33    TEST_VERIFY (f == NULL);
      34    TEST_COMPARE (errno, ENOENT);
      35    return 0;
      36  }
      37  
      38  #include <support/test-driver.c>