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1/* Test for ,ccs= handling in fopen.
2 Copyright (C) 2001-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#include <errno.h>
21#include <locale.h>
22#include <mcheck.h>
23#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26#include <wchar.h>
27#include <sys/resource.h>
28
29static const char inputfile[] = "../iconvdata/testdata/ISO-8859-1";
30
31static int do_test(void);
32
33#define TEST_FUNCTION do_test ()
34#include "../test-skeleton.c"
35
36static int
37do_bz17916 (void)
38{
39 /* BZ #17916 -- check invalid large ccs= case. */
40 struct rlimit rl;
41 getrlimit (RLIMIT_STACK, &rl);
42 rl.rlim_cur = 1024 * 1024;
43 setrlimit (RLIMIT_STACK, &rl);
44
45 const size_t sz = 2 * 1024 * 1024;
46 char *ccs = xmalloc (sz);
47 strcpy (ccs, "r,ccs=");
48 memset (ccs + 6, 'A', sz - 6 - 1);
49 ccs[sz - 1] = '\0';
50
51 FILE *fp = fopen (inputfile, ccs);
52 if (fp != NULL)
53 {
54 printf ("unxpected success\n");
55 return 1;
56 }
57 free (ccs);
58
59 return 0;
60}
61
62static int
63do_test (void)
64{
65 FILE *fp;
66
67 mtrace ();
68
69 setlocale (LC_ALL, "de_DE.UTF-8");
70
71 fp = fopen (inputfile, "r,ccs=ISO-8859-1");
72 if (fp == NULL)
73 {
74 printf ("cannot open \"%s\": %s\n", inputfile, strerror (errno));
75 exit (1);
76 }
77
78 while (! feof_unlocked (fp))
79 {
80 wchar_t buf[200];
81
82 if (fgetws_unlocked (buf, sizeof (buf) / sizeof (buf[0]), fp) == NULL)
83 break;
84
85 fputws (buf, stdout);
86 }
87
88 fclose (fp);
89
90 return do_bz17916 ();
91}
92

Warning: That file was not part of the compilation database. It may have many parsing errors.