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85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/* Test for ,ccs= handling in fopen.
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Copyright (C) 2001-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <locale.h>
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#include <mcheck.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include <sys/resource.h>
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#include <support/support.h>
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#include <support/xstdio.h>
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static const char inputfile[] = "../iconvdata/testdata/ISO-8859-1";
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static int
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do_bz17916 (void)
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{
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/* BZ #17916 -- check invalid large ccs= case. */
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struct rlimit rl;
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getrlimit (RLIMIT_STACK, &rl);
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rl.rlim_cur = 1024 * 1024;
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setrlimit (RLIMIT_STACK, &rl);
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const size_t sz = 2 * 1024 * 1024;
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char *ccs = xmalloc (sz);
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strcpy (ccs, "r,ccs=");
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memset (ccs + 6, 'A', sz - 6 - 1);
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ccs[sz - 1] = '\0';
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FILE *fp = fopen (inputfile, ccs);
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if (fp != NULL)
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{
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printf ("unxpected success\n");
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return 1;
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}
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free (ccs);
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return 0;
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}
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static int
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do_test (void)
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{
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FILE *fp;
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mtrace ();
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xsetlocale (LC_ALL, "de_DE.UTF-8");
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fp = xfopen (inputfile, "r,ccs=ISO-8859-1");
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while (! feof_unlocked (fp))
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{
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wchar_t buf[200];
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if (fgetws_unlocked (buf, sizeof (buf) / sizeof (buf[0]), fp) == NULL)
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break;
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fputws (buf, stdout);
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}
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xfclose (fp);
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return do_bz17916 ();
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}
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#include <support/test-driver.c>
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