1  /* Test running statically linked programs using ld.so.
       2     Copyright (C) 2021-2023 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 <support/check.h>
      20  #include <support/support.h>
      21  #include <support/capture_subprocess.h>
      22  #include <string.h>
      23  #include <stdlib.h>
      24  
      25  static int
      26  do_test (void)
      27  {
      28    char *ldconfig_path = xasprintf ("%s/elf/ldconfig", support_objdir_root);
      29  
      30    {
      31      char *argv[] = { (char *) "ld.so", ldconfig_path, (char *) "--help", NULL };
      32      struct support_capture_subprocess cap
      33        = support_capture_subprogram (support_objdir_elf_ldso, argv);
      34      support_capture_subprocess_check (&cap, "no --argv0", 0, sc_allow_stdout);
      35      puts ("info: output without --argv0:");
      36      puts (cap.out.buffer);
      37      TEST_VERIFY (strstr (cap.out.buffer, "Usage: ldconfig [OPTION...]\n")
      38                   == cap.out.buffer);
      39      support_capture_subprocess_free (&cap);
      40    }
      41  
      42    {
      43      char *argv[] =
      44        {
      45          (char *) "ld.so", (char *) "--argv0", (char *) "ldconfig-argv0",
      46          ldconfig_path, (char *) "--help", NULL
      47        };
      48      struct support_capture_subprocess cap
      49        = support_capture_subprogram (support_objdir_elf_ldso, argv);
      50      support_capture_subprocess_check (&cap, "with --argv0", 0, sc_allow_stdout);
      51      puts ("info: output with --argv0:");
      52      puts (cap.out.buffer);
      53      TEST_VERIFY (strstr (cap.out.buffer, "Usage: ldconfig-argv0 [OPTION...]\n")
      54                   == cap.out.buffer);
      55      support_capture_subprocess_free (&cap);
      56    }
      57  
      58    free (ldconfig_path);
      59    return 0;
      60  }
      61  
      62  #include <support/test-driver.c>