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9702a790 | 1 | /* Test the %m, %#m printf specifiers via asprintf. |
dff8da6b | 2 | Copyright (C) 2021-2024 Free Software Foundation, Inc. |
9702a790 FW |
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 <errno.h> | |
20 | #include <libc-diag.h> | |
21 | #include <stdio.h> | |
22 | #include <support/check.h> | |
23 | #include <support/support.h> | |
24 | ||
25 | /* GCC does not yet know about the %#m specifier. */ | |
26 | DIAG_PUSH_NEEDS_COMMENT; | |
27 | DIAG_IGNORE_NEEDS_COMMENT (11, "-Wformat="); | |
28 | ||
29 | static int | |
30 | do_test (void) | |
31 | { | |
32 | char buf[64]; | |
33 | ||
34 | errno = EINVAL; | |
35 | TEST_COMPARE (sprintf (buf, "%m"), 16); | |
36 | TEST_COMPARE_STRING (buf, "Invalid argument"); | |
37 | ||
38 | errno = EINVAL; | |
39 | TEST_COMPARE (sprintf (buf, "%#m"), 6); | |
40 | TEST_COMPARE_STRING (buf, "EINVAL"); | |
41 | ||
42 | errno = 0; | |
43 | TEST_COMPARE (sprintf (buf, "%m"), 7); | |
44 | TEST_COMPARE_STRING (buf, "Success"); | |
45 | ||
46 | errno = 0; | |
47 | TEST_COMPARE (sprintf (buf, "%#m"), 1); | |
48 | TEST_COMPARE_STRING (buf, "0"); | |
49 | ||
50 | errno = -1; | |
422e4cd0 | 51 | #ifdef __GNU__ |
6841aed6 | 52 | TEST_COMPARE (sprintf (buf, "%m"), 39); |
1918241b | 53 | TEST_COMPARE_STRING (buf, "Error in unknown error system: FFFFFFFF"); |
422e4cd0 | 54 | #else |
9702a790 FW |
55 | TEST_COMPARE (sprintf (buf, "%m"), 16); |
56 | TEST_COMPARE_STRING (buf, "Unknown error -1"); | |
422e4cd0 | 57 | #endif |
9702a790 FW |
58 | |
59 | errno = -1; | |
60 | TEST_COMPARE (sprintf (buf, "%#m"), 2); | |
61 | TEST_COMPARE_STRING (buf, "-1"); | |
62 | ||
63 | errno = 1002003; | |
422e4cd0 ST |
64 | #ifdef __GNU__ |
65 | TEST_COMPARE (sprintf (buf, "%m"), 42); | |
66 | TEST_COMPARE_STRING (buf, "(system kern) error with unknown subsystem"); | |
67 | #else | |
9702a790 FW |
68 | TEST_COMPARE (sprintf (buf, "%m"), 21); |
69 | TEST_COMPARE_STRING (buf, "Unknown error 1002003"); | |
422e4cd0 | 70 | #endif |
9702a790 FW |
71 | |
72 | errno = 1002003; | |
73 | TEST_COMPARE (sprintf (buf, "%#m"), 7); | |
74 | TEST_COMPARE_STRING (buf, "1002003"); | |
75 | ||
76 | errno = EINVAL; | |
77 | TEST_COMPARE (sprintf (buf, "%20m"), 20); | |
78 | TEST_COMPARE_STRING (buf, " Invalid argument"); | |
79 | ||
80 | errno = EINVAL; | |
81 | TEST_COMPARE (sprintf (buf, "%#20m"), 20); | |
82 | TEST_COMPARE_STRING (buf, " EINVAL"); | |
83 | ||
84 | errno = EINVAL; | |
85 | TEST_COMPARE (sprintf (buf, "%-20m"), 20); | |
86 | TEST_COMPARE_STRING (buf, "Invalid argument "); | |
87 | ||
88 | errno = EINVAL; | |
89 | TEST_COMPARE (sprintf (buf, "%-#20m"), 20); | |
90 | TEST_COMPARE_STRING (buf, "EINVAL "); | |
91 | ||
92 | errno = 0; | |
93 | TEST_COMPARE (sprintf (buf, "%-20m"), 20); | |
94 | TEST_COMPARE_STRING (buf, "Success "); | |
95 | ||
96 | errno = 0; | |
97 | TEST_COMPARE (sprintf (buf, "%-#20m"), 20); | |
98 | TEST_COMPARE_STRING (buf, "0 "); | |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | #include <support/test-driver.c> |