iconv/tst-gconv-init-failure.c

   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>