mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 14:20:07 +00:00
f7f181c12c
On GNU/Hurd, O_RDWR actually is O_WRONLY|O_RDONLY, so checking through
bitness really is wrong. O_ACCMODE is there for this.
Fixes: 5324d25842 ("fileops: Don't process ,ccs= as individual mode flags (BZ#18906)")
118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/* Test for ,ccs= handling in fopen.
|
|
Copyright (C) 2001-2023 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <locale.h>
|
|
#include <mcheck.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
#include <sys/resource.h>
|
|
#include <support/check.h>
|
|
#include <support/support.h>
|
|
#include <support/xstdio.h>
|
|
|
|
static const char inputfile[] = "../iconvdata/testdata/ISO-8859-1";
|
|
|
|
static int
|
|
do_bz17916 (void)
|
|
{
|
|
/* BZ #17916 -- check invalid large ccs= case. */
|
|
struct rlimit rl;
|
|
getrlimit (RLIMIT_STACK, &rl);
|
|
rl.rlim_cur = 1024 * 1024;
|
|
setrlimit (RLIMIT_STACK, &rl);
|
|
|
|
const size_t sz = 2 * 1024 * 1024;
|
|
char *ccs = xmalloc (sz);
|
|
strcpy (ccs, "r,ccs=");
|
|
memset (ccs + 6, 'A', sz - 6 - 1);
|
|
ccs[sz - 1] = '\0';
|
|
|
|
FILE *fp = fopen (inputfile, ccs);
|
|
if (fp != NULL)
|
|
{
|
|
printf ("unexpected success\n");
|
|
free (ccs);
|
|
fclose (fp);
|
|
return 1;
|
|
}
|
|
|
|
free (ccs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_bz18906 (void)
|
|
{
|
|
/* BZ #18906 -- check processing of ,ccs= as flags case. */
|
|
|
|
const char *ccs = "r,ccs=+ISO-8859-1";
|
|
size_t retval;
|
|
|
|
FILE *fp = fopen (inputfile, ccs);
|
|
int flags;
|
|
|
|
TEST_VERIFY (fp != NULL);
|
|
|
|
if (fp != NULL)
|
|
{
|
|
flags = fcntl (fileno (fp), F_GETFL);
|
|
retval = ((flags & O_ACCMODE) == O_RDWR);
|
|
retval |= ((flags & O_ACCMODE) == O_WRONLY);
|
|
TEST_COMPARE (retval, false);
|
|
fclose (fp);
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
FILE *fp;
|
|
|
|
mtrace ();
|
|
|
|
xsetlocale (LC_ALL, "de_DE.UTF-8");
|
|
|
|
fp = xfopen (inputfile, "r,ccs=ISO-8859-1");
|
|
|
|
while (! feof_unlocked (fp))
|
|
{
|
|
wchar_t buf[200];
|
|
|
|
if (fgetws_unlocked (buf, sizeof (buf) / sizeof (buf[0]), fp) == NULL)
|
|
break;
|
|
|
|
fputws (buf, stdout);
|
|
}
|
|
|
|
xfclose (fp);
|
|
|
|
TEST_COMPARE (do_bz17916 (), 0);
|
|
TEST_COMPARE (do_bz18906 (), 0);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|