1 /* Test for ,ccs= handling in fopen.
2 Copyright (C) 2001-2024 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>