1 | /* Test for memory leak with large width and precision. |
2 | Copyright (C) 1991-2022 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 <mcheck.h> |
20 | #include <stdio.h> |
21 | #include <stdlib.h> |
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 (ptr: &result, fmt: "%133000.133001x" , 17); |
34 | if (ret < 0) |
35 | { |
36 | printf (format: "error: asprintf: %m\n" ); |
37 | return 1; |
38 | } |
39 | free (ptr: result); |
40 | } |
41 | { |
42 | wchar_t *result = calloc (nmemb: ret + 1, size: sizeof (wchar_t)); |
43 | if (result == NULL) |
44 | { |
45 | printf (format: "error: calloc (%d, %zu): %m" , ret + 1, sizeof (wchar_t)); |
46 | return 1; |
47 | } |
48 | |
49 | ret = swprintf (s: result, n: ret + 1, format: L"%133000.133001x" , 17); |
50 | if (ret < 0) |
51 | { |
52 | printf (format: "error: swprintf: %d (%m)\n" , ret); |
53 | return 1; |
54 | } |
55 | free (ptr: 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, rlimits: &limit) != 0) |
63 | { |
64 | printf (format: "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, rlimits: &limit) != 0) |
72 | { |
73 | printf (format: "setrlimit (RLIMIT_AS) failed: %m\n" ); |
74 | return 1; |
75 | } |
76 | } |
77 | } |
78 | |
79 | { |
80 | char *result; |
81 | ret = asprintf (ptr: &result, fmt: "%133000.999999999x" , 17); |
82 | if (ret >= 0) |
83 | { |
84 | printf (format: "error: asprintf: incorrect result %d\n" , ret); |
85 | return 1; |
86 | } |
87 | } |
88 | { |
89 | wchar_t result[100]; |
90 | ret = swprintf (s: result, n: 100, format: L"%133000.999999999x" , 17); |
91 | if (ret >= 0) |
92 | { |
93 | printf (format: "error: swprintf: incorrect result %d\n" , ret); |
94 | return 1; |
95 | } |
96 | } |
97 | |
98 | return 0; |
99 | } |
100 | |
101 | #define TEST_FUNCTION do_test () |
102 | #include "../test-skeleton.c" |
103 | |