1 | /* Test for ,ccs= handling in fopen. |
2 | Copyright (C) 2001-2022 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 <errno.h> |
20 | #include <locale.h> |
21 | #include <mcheck.h> |
22 | #include <stdio.h> |
23 | #include <stdlib.h> |
24 | #include <string.h> |
25 | #include <wchar.h> |
26 | #include <sys/resource.h> |
27 | #include <support/support.h> |
28 | #include <support/xstdio.h> |
29 | |
30 | static const char inputfile[] = "../iconvdata/testdata/ISO-8859-1" ; |
31 | |
32 | static int |
33 | do_bz17916 (void) |
34 | { |
35 | /* BZ #17916 -- check invalid large ccs= case. */ |
36 | struct rlimit rl; |
37 | getrlimit (RLIMIT_STACK, rlimits: &rl); |
38 | rl.rlim_cur = 1024 * 1024; |
39 | setrlimit (RLIMIT_STACK, rlimits: &rl); |
40 | |
41 | const size_t sz = 2 * 1024 * 1024; |
42 | char *ccs = xmalloc (n: sz); |
43 | strcpy (ccs, "r,ccs=" ); |
44 | memset (ccs + 6, 'A', sz - 6 - 1); |
45 | ccs[sz - 1] = '\0'; |
46 | |
47 | FILE *fp = fopen (inputfile, ccs); |
48 | if (fp != NULL) |
49 | { |
50 | printf (format: "unxpected success\n" ); |
51 | return 1; |
52 | } |
53 | free (ptr: ccs); |
54 | |
55 | return 0; |
56 | } |
57 | |
58 | static int |
59 | do_test (void) |
60 | { |
61 | FILE *fp; |
62 | |
63 | mtrace (); |
64 | |
65 | xsetlocale (LC_ALL, locale: "de_DE.UTF-8" ); |
66 | |
67 | fp = xfopen (path: inputfile, mode: "r,ccs=ISO-8859-1" ); |
68 | |
69 | while (! feof_unlocked (fp)) |
70 | { |
71 | wchar_t buf[200]; |
72 | |
73 | if (fgetws_unlocked (ws: buf, n: sizeof (buf) / sizeof (buf[0]), stream: fp) == NULL) |
74 | break; |
75 | |
76 | fputws (ws: buf, stdout); |
77 | } |
78 | |
79 | xfclose (fp); |
80 | |
81 | return do_bz17916 (); |
82 | } |
83 | |
84 | #include <support/test-driver.c> |
85 | |