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fdcf1c94 | 1 | /* Test for memory leak with large width and precision. |
bfff8b1b | 2 | Copyright (C) 1991-2017 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 | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <mcheck.h> | |
20 | #include <stdio.h> | |
21 | #include <sys/resource.h> | |
22 | #include <wchar.h> | |
23 | ||
24 | static int | |
25 | do_test (void) | |
26 | { | |
27 | mtrace (); | |
28 | ||
29 | int ret; | |
30 | { | |
31 | char *result; | |
32 | ret = asprintf (&result, "%133000.133001x", 17); | |
33 | if (ret < 0) | |
34 | { | |
35 | printf ("error: asprintf: %m\n"); | |
36 | return 1; | |
37 | } | |
38 | free (result); | |
39 | } | |
40 | { | |
41 | wchar_t *result = calloc (ret + 1, sizeof (wchar_t)); | |
42 | if (result == NULL) | |
43 | { | |
44 | printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t)); | |
45 | return 1; | |
46 | } | |
47 | ||
48 | ret = swprintf (result, ret + 1, L"%133000.133001x", 17); | |
49 | if (ret < 0) | |
50 | { | |
51 | printf ("error: swprintf: %d (%m)\n", ret); | |
52 | return 1; | |
53 | } | |
54 | free (result); | |
55 | } | |
56 | ||
57 | /* Limit the size of the process, so that the second allocation will | |
58 | fail. */ | |
59 | { | |
60 | struct rlimit limit; | |
61 | if (getrlimit (RLIMIT_AS, &limit) != 0) | |
62 | { | |
63 | printf ("getrlimit (RLIMIT_AS) failed: %m\n"); | |
64 | return 1; | |
65 | } | |
66 | long target = 200 * 1024 * 1024; | |
67 | if (limit.rlim_cur == RLIM_INFINITY || limit.rlim_cur > target) | |
68 | { | |
69 | limit.rlim_cur = target; | |
70 | if (setrlimit (RLIMIT_AS, &limit) != 0) | |
71 | { | |
72 | printf ("setrlimit (RLIMIT_AS) failed: %m\n"); | |
73 | return 1; | |
74 | } | |
75 | } | |
76 | } | |
77 | ||
78 | { | |
79 | char *result; | |
80 | ret = asprintf (&result, "%133000.999999999x", 17); | |
81 | if (ret >= 0) | |
82 | { | |
83 | printf ("error: asprintf: incorrect result %d\n", ret); | |
84 | return 1; | |
85 | } | |
86 | } | |
87 | { | |
88 | wchar_t result[100]; | |
89 | if (result == NULL) | |
90 | { | |
91 | printf ("error: calloc (%d, %zu): %m", ret + 1, sizeof (wchar_t)); | |
92 | return 1; | |
93 | } | |
94 | ||
95 | ret = swprintf (result, 100, L"%133000.999999999x", 17); | |
96 | if (ret >= 0) | |
97 | { | |
98 | printf ("error: swprintf: incorrect result %d\n", ret); | |
99 | return 1; | |
100 | } | |
101 | } | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | #define TEST_FUNCTION do_test () | |
107 | #include "../test-skeleton.c" |