1  /* Wrapper to invoke tst-glibc-hwcaps-2 in a container to test ldconfig.
       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  /* This program is just a wrapper that runs ldconfig followed by
      20     tst-glibc-hwcaps-2.  The actual test is provided via an
      21     implementation in a sysdeps subdirectory.  */
      22  
      23  #include <stdio.h>
      24  #include <stdlib.h>
      25  #include <unistd.h>
      26  #include <support/support.h>
      27  #include <support/capture_subprocess.h>
      28  
      29  int
      30  main (int argc, char **argv)
      31  {
      32    /* Run ldconfig to populate the cache.  */
      33    char *command = xasprintf ("%s/ldconfig", support_install_rootsbindir);
      34    struct support_capture_subprocess result =
      35      support_capture_subprogram (command,  &((char *) { NULL }));
      36    support_capture_subprocess_check (&result, "ldconfig", 0, sc_allow_none);
      37    free (command);
      38  
      39    /* Reuse tst-glibc-hwcaps.  Since this code is running in a
      40       container, we can launch it directly.  */
      41    char *path = xasprintf ("%s/elf/tst-glibc-hwcaps-2", support_objdir_root);
      42    execv (path, argv);
      43    printf ("error: execv of %s failed: %m\n", path);
      44    return 1;
      45  }