1/* Wrapper to invoke tst-glibc-hwcaps-2 in a container to test ldconfig.
2 Copyright (C) 2021-2022 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-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
29int
30main (int argc, char **argv)
31{
32 /* Run ldconfig to populate the cache. */
33 char *command = xasprintf (format: "%s/ldconfig", support_install_rootsbindir);
34 struct support_capture_subprocess result =
35 support_capture_subprogram (file: command, argv: &((char *) { NULL }));
36 support_capture_subprocess_check (&result, context: "ldconfig", status_or_signal: 0, allowed: sc_allow_none);
37 free (ptr: 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 (format: "%s/elf/tst-glibc-hwcaps-2", support_objdir_root);
42 execv (path: path, argv: argv);
43 printf (format: "error: execv of %s failed: %m\n", path);
44 return 1;
45}
46

source code of glibc/elf/tst-glibc-hwcaps-2-cache.c