]>
Commit | Line | Data |
---|---|---|
41389c40 SP |
1 | /* Test that passing a NULL value does not hang environment traversal in |
2 | tunables. | |
581c785b | 3 | Copyright (C) 2017-2022 Free Software Foundation, Inc. |
41389c40 SP |
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 | |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
41389c40 SP |
19 | |
20 | /* The test is useful only when the source is configured with | |
21 | --enable-hardcoded-path-in-tests since otherwise the execve just picks up | |
22 | the system dynamic linker. */ | |
23 | ||
24 | #include <stdlib.h> | |
25 | #include <stdio.h> | |
26 | #include <unistd.h> | |
27 | #include <errno.h> | |
28 | ||
29 | static int | |
30 | do_test (int argc, char **argv) | |
31 | { | |
32 | if (argc == 2) | |
33 | return 0; | |
34 | ||
35 | char envname[] = "FOOBAR"; | |
36 | char *filename = program_invocation_name; | |
37 | char *newargv[] = {filename, filename, NULL}; | |
38 | char *newenviron[] = {envname, NULL}; | |
39 | ||
40 | /* This was reported in Fedora: | |
41 | ||
42 | https://bugzilla.redhat.com/show_bug.cgi?id=1414589 | |
43 | ||
44 | If one of the environment variables has no value, then the environment | |
45 | traversal must skip and also advance to the next environment entry. The | |
46 | bug in question would cause this test to hang in an infinite loop. */ | |
47 | int ret = execve (filename, newargv, newenviron); | |
48 | ||
49 | if (ret != 0) | |
50 | printf ("execve failed: %m"); | |
51 | ||
52 | /* We will reach here only if we fail execve. */ | |
53 | return 1; | |
54 | } | |
55 | ||
41389c40 SP |
56 | #define TEST_FUNCTION_ARGV do_test |
57 | #include <support/test-driver.c> |