1 | /* Copyright (C) 2013-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <elf.h> |
19 | #include <errno.h> |
20 | #include <link.h> |
21 | #include <string.h> |
22 | #include <stdio.h> |
23 | #include <unistd.h> |
24 | #include <misc/sys/auxv.h> |
25 | |
26 | static int |
27 | do_test (int argc, char *argv[]) |
28 | { |
29 | errno = 0; |
30 | const char *execfn = (const char *) getauxval (AT_NULL); |
31 | |
32 | if (errno != ENOENT) |
33 | { |
34 | printf (format: "errno is %d rather than %d (ENOENT) on failure\n" , errno, |
35 | ENOENT); |
36 | return 1; |
37 | } |
38 | |
39 | if (execfn != NULL) |
40 | { |
41 | printf (format: "getauxval return value is nonzero on failure\n" ); |
42 | return 1; |
43 | } |
44 | |
45 | errno = 0; |
46 | execfn = (const char *) getauxval (AT_EXECFN); |
47 | |
48 | if (execfn == NULL) |
49 | { |
50 | printf (format: "No AT_EXECFN found, AT_EXECFN test skipped\n" ); |
51 | return 0; |
52 | } |
53 | |
54 | if (errno != 0) |
55 | { |
56 | printf (format: "errno erroneously set to %d on success\n" , errno); |
57 | return 1; |
58 | } |
59 | |
60 | if (strcmp (s1: argv[0], s2: execfn) != 0) |
61 | { |
62 | printf (format: "Mismatch: argv[0]: %s vs. AT_EXECFN: %s\n" , argv[0], execfn); |
63 | return 1; |
64 | } |
65 | |
66 | return 0; |
67 | } |
68 | |
69 | #define TEST_FUNCTION_ARGV do_test |
70 | #include <support/test-driver.c> |
71 | |