1 /* Test for ,ccs= handling in fopen.
2 Copyright (C) 2001-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
27 #include <sys/resource.h>
28 #include <support/check.h>
29 #include <support/support.h>
30 #include <support/xstdio.h>
32 static const char inputfile
[] = "../iconvdata/testdata/ISO-8859-1";
37 /* BZ #17916 -- check invalid large ccs= case. */
39 getrlimit (RLIMIT_STACK
, &rl
);
40 rl
.rlim_cur
= 1024 * 1024;
41 setrlimit (RLIMIT_STACK
, &rl
);
43 const size_t sz
= 2 * 1024 * 1024;
44 char *ccs
= xmalloc (sz
);
45 strcpy (ccs
, "r,ccs=");
46 memset (ccs
+ 6, 'A', sz
- 6 - 1);
49 FILE *fp
= fopen (inputfile
, ccs
);
52 printf ("unexpected success\n");
66 /* BZ #18906 -- check processing of ,ccs= as flags case. */
68 const char *ccs
= "r,ccs=+ISO-8859-1";
71 FILE *fp
= fopen (inputfile
, ccs
);
74 TEST_VERIFY (fp
!= NULL
);
78 flags
= fcntl (fileno (fp
), F_GETFL
);
79 retval
= ((flags
& O_ACCMODE
) == O_RDWR
);
80 retval
|= ((flags
& O_ACCMODE
) == O_WRONLY
);
81 TEST_COMPARE (retval
, false);
95 xsetlocale (LC_ALL
, "de_DE.UTF-8");
97 fp
= xfopen (inputfile
, "r,ccs=ISO-8859-1");
99 while (! feof_unlocked (fp
))
103 if (fgetws_unlocked (buf
, sizeof (buf
) / sizeof (buf
[0]), fp
) == NULL
)
106 fputws (buf
, stdout
);
111 TEST_COMPARE (do_bz17916 (), 0);
112 TEST_COMPARE (do_bz18906 (), 0);
117 #include <support/test-driver.c>