1/* Verify that program does not crash when LD_DEBUG is set and the program name
2 is not available.
3 Copyright (C) 2013-2022 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
20extern void foo (void);
21
22int
23do_test (int argc, char **argv)
24{
25 argv[0] = argv[1];
26 argc--;
27
28 /* This should result in a symbol lookup, causing a volley of debug output
29 when LD_DEBUG=symbols. */
30 foo ();
31
32 return 0;
33}
34
35#define TEST_FUNCTION_ARGV do_test
36#include <support/test-driver.c>
37

source code of glibc/elf/tst-null-argv.c