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fdcf1c94 | 1 | /* Test for memory leak with large width and precision. |
04277e02 | 2 | Copyright (C) 1991-2019 Free Software Foundation, Inc. |
fdcf1c94 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/>. */ |
fdcf1c94 FW |
18 | |
19 | #include <mcheck.h> | |
20 | #include <stdio.h> | |
ceaa9889 | 21 | #include <stdlib.h> |
fdcf1c94 FW |
22 | #include <sys/resource.h> |
23 | #include <wchar.h> | |
24 | ||
25 | static int | |
26 | do_test (void) | |
27 | { | |
28 | mtrace (); | |
29 | ||
30 | int ret; | |
31 | { | |
32 | char *result; | |
33 | ret = asprintf (&result, "%133000.133001x", 17); | |
34 | if (ret < 0) | |
35 | { | |
36 | printf ("error: asprintf: %m\n"); | |
37 | return 1; | |
38 | } | |
39 | free (result); | |
40 | } | |
41 | { | |
42 | wchar_t *result = calloc (ret + 1, sizeof (wchar_t)); | |
43 | if (result == NULL) | |
44 | { | |
45 | printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t)); | |
46 | return 1; | |
47 | } | |
48 | ||
49 | ret = swprintf (result, ret + 1, L"%133000.133001x", 17); | |
50 | if (ret < 0) | |
51 | { | |
52 | printf ("error: swprintf: %d (%m)\n", ret); | |
53 | return 1; | |
54 | } | |
55 | free (result); | |
56 | } | |
57 | ||
58 | /* Limit the size of the process, so that the second allocation will | |
59 | fail. */ | |
60 | { | |
61 | struct rlimit limit; | |
62 | if (getrlimit (RLIMIT_AS, &limit) != 0) | |
63 | { | |
64 | printf ("getrlimit (RLIMIT_AS) failed: %m\n"); | |
65 | return 1; | |
66 | } | |
67 | long target = 200 * 1024 * 1024; | |
68 | if (limit.rlim_cur == RLIM_INFINITY || limit.rlim_cur > target) | |
69 | { | |
70 | limit.rlim_cur = target; | |
71 | if (setrlimit (RLIMIT_AS, &limit) != 0) | |
72 | { | |
73 | printf ("setrlimit (RLIMIT_AS) failed: %m\n"); | |
74 | return 1; | |
75 | } | |
76 | } | |
77 | } | |
78 | ||
79 | { | |
80 | char *result; | |
81 | ret = asprintf (&result, "%133000.999999999x", 17); | |
82 | if (ret >= 0) | |
83 | { | |
84 | printf ("error: asprintf: incorrect result %d\n", ret); | |
85 | return 1; | |
86 | } | |
87 | } | |
88 | { | |
89 | wchar_t result[100]; | |
90 | if (result == NULL) | |
91 | { | |
92 | printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t)); | |
93 | return 1; | |
94 | } | |
95 | ||
96 | ret = swprintf (result, 100, L"%133000.999999999x", 17); | |
97 | if (ret >= 0) | |
98 | { | |
99 | printf ("error: swprintf: incorrect result %d\n", ret); | |
100 | return 1; | |
101 | } | |
102 | } | |
103 | ||
104 | return 0; | |
105 | } | |
106 | ||
107 | #define TEST_FUNCTION do_test () | |
108 | #include "../test-skeleton.c" |