1/* Test the output from the environment variable, LD_TRACE_PRELINKING,
2 for prelink.
3 Copyright (C) 2021-2022 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <ldsodefs.h>
21#include <support/check.h>
22#include <support/xstdio.h>
23#include <support/support.h>
24#include <support/test-driver.h>
25
26static int
27do_test (void)
28{
29#ifndef DL_EXTERN_PROTECTED_DATA
30 return EXIT_UNSUPPORTED;
31#else
32 char *src = xasprintf (format: "%s/elf/tst-prelink-conflict.out",
33 support_objdir_root);
34 FILE *f = xfopen (path: src,mode: "r");
35 size_t buffer_length = 0;
36 char *buffer = NULL;
37
38 const char *expected = "/0 stdout\n";
39
40 xgetline (lineptr: &buffer, n: &buffer_length, stream: f);
41 TEST_COMPARE_STRING (expected, buffer);
42
43 free (ptr: buffer);
44 xfclose (f);
45 return 0;
46#endif
47}
48
49#include <support/test-driver.c>
50

source code of glibc/elf/tst-prelink-cmp.c