1  /* Check that module __end_fct is not invoked when the init function fails.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <errno.h>
      20  #include <iconv.h>
      21  #include <libgen.h>
      22  #include <stdio.h>
      23  #include <stdlib.h>
      24  #include <support/check.h>
      25  #include <support/support.h>
      26  #include <support/test-driver.h>
      27  #include <sys/auxv.h>
      28  
      29  /* Test GCONV_PATH to the directory containing the program
      30     executable.  */
      31  static void
      32  activate_test_gconv_modules (void)
      33  {
      34    unsigned long ptr = getauxval (AT_EXECFN);
      35    if (ptr == 0)
      36      {
      37        printf ("warning: AT_EXECFN not support, cannot run test\n");
      38        exit (EXIT_UNSUPPORTED);
      39      }
      40    char *test_program_directory = dirname (xstrdup ((const char *) ptr));
      41    TEST_VERIFY (setenv ("GCONV_PATH", test_program_directory, 1) == 0);
      42    free (test_program_directory);
      43  }
      44  
      45  static int
      46  do_test (void)
      47  {
      48    activate_test_gconv_modules ();
      49  
      50    TEST_VERIFY (iconv_open ("UTF-8", "tst-gconv-init-failure//")
      51                 == (iconv_t) -1);
      52    if (errno != ENOMEM)
      53      FAIL_EXIT1 ("unexpected iconv_open error: %m");
      54  
      55    return 0;
      56  }
      57  
      58  #include <support/test-driver.c>