1 | /* Check _dl_exception_create_format. |
2 | Copyright (C) 2018-2024 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 | #include <ldsodefs.h> |
20 | #include <array_length.h> |
21 | |
22 | #include <support/check.h> |
23 | #include <support/xunistd.h> |
24 | #include <support/capture_subprocess.h> |
25 | |
26 | #define TEST(es, objn, fmt, ...) \ |
27 | ({ \ |
28 | struct dl_exception exception; \ |
29 | _dl_exception_create_format (&exception, objn, fmt, __VA_ARGS__); \ |
30 | TEST_COMPARE_STRING (exception.objname, objn == NULL ? "" : objn); \ |
31 | TEST_COMPARE_STRING (exception.errstring, es); \ |
32 | _dl_exception_free (&exception); \ |
33 | }) |
34 | |
35 | static void |
36 | do_test_invalid_conversion (void *closure) |
37 | { |
38 | TEST ("(null)" , NULL, "%p" , NULL); |
39 | } |
40 | |
41 | /* Exit status after abnormal termination. */ |
42 | static int invalid_status; |
43 | |
44 | static void |
45 | init_invalid_status (void) |
46 | { |
47 | pid_t pid = xfork (); |
48 | if (pid == 0) |
49 | _exit (status: 127); |
50 | xwaitpid (pid, status: &invalid_status, flags: 0); |
51 | if (WIFEXITED (invalid_status)) |
52 | invalid_status = WEXITSTATUS (invalid_status); |
53 | } |
54 | |
55 | static int |
56 | do_test (void) |
57 | { |
58 | init_invalid_status (); |
59 | |
60 | TEST ("test" , NULL, "%s" , "test" ); |
61 | TEST ("test-test" , NULL, "%s-test" , "test" ); |
62 | TEST ("test" , "test" , "%s" , "test" ); |
63 | TEST ("test-test" , "test" , "%s-test" , "test" ); |
64 | |
65 | TEST ("test%" , NULL, "%s%%" , "test" ); |
66 | TEST ("test%-test" , NULL, "%s%%-test" , "test" ); |
67 | TEST ("test%" , "test" , "%s%%" , "test" ); |
68 | TEST ("test%-test" , "test" , "%s%%-test" , "test" ); |
69 | |
70 | TEST ("0000007b" , NULL, "%x" , 123); |
71 | TEST ("0000007b-test" , NULL, "%x-test" , 123); |
72 | TEST ("0000007b" , "test" , "%x" , 123); |
73 | TEST ("0000007b-test" , "test" , "%x-test" , 123); |
74 | |
75 | #define TEST_LONG(es, objn, fmt, ...) \ |
76 | ({ \ |
77 | if (sizeof (int) == sizeof (long int)) \ |
78 | TEST (es, objn, fmt, __VA_ARGS__); \ |
79 | else \ |
80 | TEST ("ffffffff" es, objn, fmt, __VA_ARGS__); \ |
81 | }) |
82 | |
83 | TEST_LONG ("fffffffd" , NULL, "%lx" , (long int)~2ul); |
84 | TEST_LONG ("fffffffd-test" , NULL, "%lx-test" , (long int)~2ul); |
85 | TEST_LONG ("fffffffd" , "test" , "%lx" , (long int)~2ul); |
86 | TEST_LONG ("fffffffd-test" , "test" , "%lx-test" , (long int)~2ul); |
87 | |
88 | TEST_LONG ("fffffffe" , NULL, "%zx" , (size_t)~1ul); |
89 | TEST_LONG ("fffffffe-test" , NULL, "%zx-test" , (size_t)~1ul); |
90 | TEST_LONG ("fffffffe" , "test" , "%zx" , (size_t)~1ul); |
91 | TEST_LONG ("fffffffe-test" , "test" , "%zx-test" , (size_t)~1ul); |
92 | |
93 | struct support_capture_subprocess result; |
94 | result = support_capture_subprocess (callback: do_test_invalid_conversion, NULL); |
95 | support_capture_subprocess_check (&result, context: "dl-exception" , |
96 | status_or_signal: invalid_status, allowed: sc_allow_stderr); |
97 | TEST_COMPARE_STRING (result.err.buffer, |
98 | "Fatal error: invalid format in exception string\n" ); |
99 | |
100 | return 0; |
101 | } |
102 | |
103 | #include <support/test-driver.c> |
104 | |