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93485524 | 1 | /* Reporting a numeric comparison failure. |
d614a753 | 2 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
93485524 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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
93485524 | 18 | |
1a51e46e | 19 | #include <errno.h> |
93485524 FW |
20 | #include <stdio.h> |
21 | #include <support/check.h> | |
22 | ||
23 | static void | |
2b3aa446 | 24 | report (const char *which, const char *expr, long long value, int positive, |
93485524 FW |
25 | int size) |
26 | { | |
27 | printf (" %s: ", which); | |
2b3aa446 | 28 | if (positive) |
93485524 | 29 | printf ("%llu", (unsigned long long) value); |
2b3aa446 FW |
30 | else |
31 | printf ("%lld", value); | |
93485524 FW |
32 | unsigned long long mask |
33 | = (~0ULL) >> (8 * (sizeof (unsigned long long) - size)); | |
34 | printf (" (0x%llx); from: %s\n", (unsigned long long) value & mask, expr); | |
35 | } | |
36 | ||
37 | void | |
38 | support_test_compare_failure (const char *file, int line, | |
39 | const char *left_expr, | |
40 | long long left_value, | |
2b3aa446 | 41 | int left_positive, |
93485524 FW |
42 | int left_size, |
43 | const char *right_expr, | |
44 | long long right_value, | |
2b3aa446 | 45 | int right_positive, |
93485524 FW |
46 | int right_size) |
47 | { | |
1a51e46e | 48 | int saved_errno = errno; |
93485524 FW |
49 | support_record_failure (); |
50 | if (left_size != right_size) | |
51 | printf ("%s:%d: numeric comparison failure (widths %d and %d)\n", | |
52 | file, line, left_size * 8, right_size * 8); | |
53 | else | |
54 | printf ("%s:%d: numeric comparison failure\n", file, line); | |
2b3aa446 FW |
55 | report (" left", left_expr, left_value, left_positive, left_size); |
56 | report ("right", right_expr, right_value, right_positive, right_size); | |
1a51e46e | 57 | errno = saved_errno; |
93485524 | 58 | } |