1 /* Wrapper to invoke tst-glibc-hwcaps in a container, to test ld.so.cache.
2    Copyright (C) 2020-2022 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.  The actual test is provided via an
21    implementation in a sysdeps subdirectory.  */
22 
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <support/support.h>
26 #include <unistd.h>
27 
28 int
main(int argc,char ** argv)29 main (int argc, char **argv)
30 {
31   /* Run ldconfig to populate the cache.  */
32   {
33     char *command = xasprintf ("%s/ldconfig", support_install_rootsbindir);
34     if (system (command) != 0)
35       return 1;
36     free (command);
37   }
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", support_objdir_root);
42   execv (path, argv);
43   printf ("error: execv of %s failed: %m\n", path);
44   return 1;
45 }
46