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third-party-mirror / GRTEv4 / cf41cedf52c87cf4f27c61e4eb8444ecb811ab13 / . / google3 / third_party / grte / v4_src / glibc-2.19 / debug / tst-chk1.c
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/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
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
<http://www.gnu.org/licenses/>. */
#include <assert.h>
#include <fcntl.h>
#include <locale.h>
#include <obstack.h>
#include <paths.h>
#include <setjmp.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <wchar.h>
#include <sys/poll.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/un.h>
#define obstack_chunk_alloc malloc
#define obstack_chunk_free free
char *temp_filename;
static void do_prepare (void);
static int do_test (void);
#define PREPARE(argc, argv) do_prepare ()
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
static void
do_prepare (void)
{
int temp_fd = create_temp_file ("tst-chk1.", &temp_filename);
if (temp_fd == -1)
{
printf ("cannot create temporary file: %m\n");
exit (1);
}
const char *strs = "abcdefgh\nABCDEFGHI\nabcdefghij\nABCDEFGHIJ";
if ((size_t) write (temp_fd, strs, strlen (strs)) != strlen (strs))
{
puts ("could not write test strings into file");
unlink (temp_filename);
exit (1);
}
}
volatile int chk_fail_ok;
volatile int ret;
jmp_buf chk_fail_buf;
static void
handler (int sig)
{
if (chk_fail_ok)
{
chk_fail_ok = 0;
longjmp (chk_fail_buf, 1);
}
else
_exit (127);
}
char buf[10];
wchar_t wbuf[10];
volatile size_t l0;
volatile char *p;
volatile wchar_t *wp;
const char *str1 = "JIHGFEDCBA";
const char *str2 = "F";
const char *str3 = "%s%n%s%n";
const char *str4 = "Hello, ";
const char *str5 = "World!\n";
const wchar_t *wstr1 = L"JIHGFEDCBA";
const wchar_t *wstr2 = L"F";
const wchar_t *wstr3 = L"%s%n%s%n";
const wchar_t *wstr4 = L"Hello, ";
const wchar_t *wstr5 = L"World!\n";
char buf2[10] = "%s";
int num1 = 67;
int num2 = 987654;
#define FAIL() \
do { printf ("Failure on line %d\n", __LINE__); ret = 1; } while (0)
#define CHK_FAIL_START \
chk_fail_ok = 1; \
if (! setjmp (chk_fail_buf)) \
{
#define CHK_FAIL_END \
chk_fail_ok = 0; \
FAIL (); \
}
#if __USE_FORTIFY_LEVEL >= 2 && (!defined __cplusplus || defined __va_arg_pack)
# define CHK_FAIL2_START CHK_FAIL_START
# define CHK_FAIL2_END CHK_FAIL_END
#else
# define CHK_FAIL2_START
# define CHK_FAIL2_END
#endif
static int
do_test (void)
{
struct sigaction sa;
sa.sa_handler = handler;
sa.sa_flags = 0;
sigemptyset (&sa.sa_mask);
sigaction (SIGABRT, &sa, NULL);
/* Avoid all the buffer overflow messages on stderr. */
int fd = open (_PATH_DEVNULL, O_WRONLY);
if (fd == -1)
close (STDERR_FILENO);
else
{
dup2 (fd, STDERR_FILENO);
close (fd);
}
setenv ("LIBC_FATAL_STDERR_", "1", 1);
struct A { char buf1[9]; char buf2[1]; } a;
struct wA { wchar_t buf1[9]; wchar_t buf2[1]; } wa;
printf ("Test checking routines at fortify level %d\n",
#ifdef __USE_FORTIFY_LEVEL
(int) __USE_FORTIFY_LEVEL
#else
0
#endif
);
#if defined __USE_FORTIFY_LEVEL && !defined __fortify_function
printf ("Test skipped");
if (l0 == 0)
return 0;
#endif
/* These ops can be done without runtime checking of object size. */
memcpy (buf, "abcdefghij", 10);
memmove (buf + 1, buf, 9);
if (memcmp (buf, "aabcdefghi", 10))
FAIL ();
if (mempcpy (buf + 5, "abcde", 5) != buf + 10
|| memcmp (buf, "aabcdabcde", 10))
FAIL ();
memset (buf + 8, 'j', 2);
if (memcmp (buf, "aabcdabcjj", 10))
FAIL ();
strcpy (buf + 4, "EDCBA");
if (memcmp (buf, "aabcEDCBA", 10))
FAIL ();
if (stpcpy (buf + 8, "F") != buf + 9 || memcmp (buf, "aabcEDCBF", 10))
FAIL ();
strncpy (buf + 6, "X", 4);
if (memcmp (buf, "aabcEDX\0\0", 10))
FAIL ();
if (sprintf (buf + 7, "%s", "67") != 2 || memcmp (buf, "aabcEDX67", 10))
FAIL ();
if (snprintf (buf + 7, 3, "%s", "987654") != 6
|| memcmp (buf, "aabcEDX98", 10))
FAIL ();
/* These ops need runtime checking, but shouldn't __chk_fail. */
memcpy (buf, "abcdefghij", l0 + 10);
memmove (buf + 1, buf, l0 + 9);
if (memcmp (buf, "aabcdefghi", 10))
FAIL ();
if (mempcpy (buf + 5, "abcde", l0 + 5) != buf + 10
|| memcmp (buf, "aabcdabcde", 10))
FAIL ();
memset (buf + 8, 'j', l0 + 2);
if (memcmp (buf, "aabcdabcjj", 10))
FAIL ();
strcpy (buf + 4, str1 + 5);
if (memcmp (buf, "aabcEDCBA", 10))
FAIL ();
if (stpcpy (buf + 8, str2) != buf + 9 || memcmp (buf, "aabcEDCBF", 10))
FAIL ();
strncpy (buf + 6, "X", l0 + 4);
if (memcmp (buf, "aabcEDX\0\0", 10))
FAIL ();
if (stpncpy (buf + 5, "cd", l0 + 5) != buf + 7
|| memcmp (buf, "aabcEcd\0\0", 10))
FAIL ();
if (sprintf (buf + 7, "%d", num1) != 2 || memcmp (buf, "aabcEcd67", 10))
FAIL ();
if (snprintf (buf + 7, 3, "%d", num2) != 6 || memcmp (buf, "aabcEcd98", 10))
FAIL ();
buf[l0 + 8] = '\0';
strcat (buf, "A");
if (memcmp (buf, "aabcEcd9A", 10))
FAIL ();
buf[l0 + 7] = '\0';
strncat (buf, "ZYXWV", l0 + 2);
if (memcmp (buf, "aabcEcdZY", 10))
FAIL ();
memcpy (a.buf1, "abcdefghij", l0 + 10);
memmove (a.buf1 + 1, a.buf1, l0 + 9);
if (memcmp (a.buf1, "aabcdefghi", 10))
FAIL ();
if (mempcpy (a.buf1 + 5, "abcde", l0 + 5) != a.buf1 + 10
|| memcmp (a.buf1, "aabcdabcde", 10))
FAIL ();
memset (a.buf1 + 8, 'j', l0 + 2);
if (memcmp (a.buf1, "aabcdabcjj", 10))
FAIL ();
#if __USE_FORTIFY_LEVEL < 2
/* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2
and sufficient GCC support, as the string operations overflow
from a.buf1 into a.buf2. */
strcpy (a.buf1 + 4, str1 + 5);
if (memcmp (a.buf1, "aabcEDCBA", 10))
FAIL ();
if (stpcpy (a.buf1 + 8, str2) != a.buf1 + 9
|| memcmp (a.buf1, "aabcEDCBF", 10))
FAIL ();
strncpy (a.buf1 + 6, "X", l0 + 4);
if (memcmp (a.buf1, "aabcEDX\0\0", 10))
FAIL ();
if (sprintf (a.buf1 + 7, "%d", num1) != 2
|| memcmp (a.buf1, "aabcEDX67", 10))
FAIL ();
if (snprintf (a.buf1 + 7, 3, "%d", num2) != 6
|| memcmp (a.buf1, "aabcEDX98", 10))
FAIL ();
a.buf1[l0 + 8] = '\0';
strcat (a.buf1, "A");
if (memcmp (a.buf1, "aabcEDX9A", 10))
FAIL ();
a.buf1[l0 + 7] = '\0';
strncat (a.buf1, "ZYXWV", l0 + 2);
if (memcmp (a.buf1, "aabcEDXZY", 10))
FAIL ();
#endif
#if __USE_FORTIFY_LEVEL >= 1
/* Now check if all buffer overflows are caught at runtime. */
CHK_FAIL_START
memcpy (buf + 1, "abcdefghij", l0 + 10);
CHK_FAIL_END
CHK_FAIL_START
memmove (buf + 2, buf + 1, l0 + 9);
CHK_FAIL_END
CHK_FAIL_START
p = (char *) mempcpy (buf + 6, "abcde", l0 + 5);
CHK_FAIL_END
CHK_FAIL_START
memset (buf + 9, 'j', l0 + 2);
CHK_FAIL_END
CHK_FAIL_START
strcpy (buf + 5, str1 + 5);
CHK_FAIL_END
CHK_FAIL_START
p = stpcpy (buf + 9, str2);
CHK_FAIL_END
CHK_FAIL_START
strncpy (buf + 7, "X", l0 + 4);
CHK_FAIL_END
CHK_FAIL_START
stpncpy (buf + 6, "cd", l0 + 5);
CHK_FAIL_END
# if !defined __cplusplus || defined __va_arg_pack
CHK_FAIL_START
sprintf (buf + 8, "%d", num1);
CHK_FAIL_END
CHK_FAIL_START
snprintf (buf + 8, l0 + 3, "%d", num2);
CHK_FAIL_END
CHK_FAIL_START
swprintf (wbuf + 8, 3, L"%d", num1);
CHK_FAIL_END
CHK_FAIL_START
swprintf (wbuf + 8, l0 + 3, L"%d", num1);
CHK_FAIL_END
# endif
memcpy (buf, str1 + 2, l0 + 9);
CHK_FAIL_START
strcat (buf, "AB");
CHK_FAIL_END
memcpy (buf, str1 + 3, l0 + 8);
CHK_FAIL_START
strncat (buf, "ZYXWV", l0 + 3);
CHK_FAIL_END
CHK_FAIL_START
memcpy (a.buf1 + 1, "abcdefghij", l0 + 10);
CHK_FAIL_END
CHK_FAIL_START
memmove (a.buf1 + 2, a.buf1 + 1, l0 + 9);
CHK_FAIL_END
CHK_FAIL_START
p = (char *) mempcpy (a.buf1 + 6, "abcde", l0 + 5);
CHK_FAIL_END
CHK_FAIL_START
memset (a.buf1 + 9, 'j', l0 + 2);
CHK_FAIL_END
# if __USE_FORTIFY_LEVEL >= 2
# define O 0
# else
# define O 1
# endif
CHK_FAIL_START
strcpy (a.buf1 + (O + 4), str1 + 5);
CHK_FAIL_END
CHK_FAIL_START
p = stpcpy (a.buf1 + (O + 8), str2);
CHK_FAIL_END
CHK_FAIL_START
strncpy (a.buf1 + (O + 6), "X", l0 + 4);
CHK_FAIL_END
# if !defined __cplusplus || defined __va_arg_pack
CHK_FAIL_START
sprintf (a.buf1 + (O + 7), "%d", num1);
CHK_FAIL_END
CHK_FAIL_START
snprintf (a.buf1 + (O + 7), l0 + 3, "%d", num2);
CHK_FAIL_END
# endif
memcpy (a.buf1, str1 + (3 - O), l0 + 8 + O);
CHK_FAIL_START
strcat (a.buf1, "AB");
CHK_FAIL_END
memcpy (a.buf1, str1 + (4 - O), l0 + 7 + O);
CHK_FAIL_START
strncat (a.buf1, "ZYXWV", l0 + 3);
CHK_FAIL_END
#endif
/* These ops can be done without runtime checking of object size. */
wmemcpy (wbuf, L"abcdefghij", 10);
wmemmove (wbuf + 1, wbuf, 9);
if (wmemcmp (wbuf, L"aabcdefghi", 10))
FAIL ();
if (wmempcpy (wbuf + 5, L"abcde", 5) != wbuf + 10
|| wmemcmp (wbuf, L"aabcdabcde", 10))
FAIL ();
wmemset (wbuf + 8, L'j', 2);
if (wmemcmp (wbuf, L"aabcdabcjj", 10))
FAIL ();
wcscpy (wbuf + 4, L"EDCBA");
if (wmemcmp (wbuf, L"aabcEDCBA", 10))
FAIL ();
if (wcpcpy (wbuf + 8, L"F") != wbuf + 9 || wmemcmp (wbuf, L"aabcEDCBF", 10))
FAIL ();
wcsncpy (wbuf + 6, L"X", 4);
if (wmemcmp (wbuf, L"aabcEDX\0\0", 10))
FAIL ();
if (swprintf (wbuf + 7, 3, L"%ls", L"987654") >= 0
|| wmemcmp (wbuf, L"aabcEDX98", 10))
FAIL ();
if (swprintf (wbuf + 7, 3, L"64") != 2
|| wmemcmp (wbuf, L"aabcEDX64", 10))
FAIL ();
/* These ops need runtime checking, but shouldn't __chk_fail. */
wmemcpy (wbuf, L"abcdefghij", l0 + 10);
wmemmove (wbuf + 1, wbuf, l0 + 9);
if (wmemcmp (wbuf, L"aabcdefghi", 10))
FAIL ();
if (wmempcpy (wbuf + 5, L"abcde", l0 + 5) != wbuf + 10
|| wmemcmp (wbuf, L"aabcdabcde", 10))
FAIL ();
wmemset (wbuf + 8, L'j', l0 + 2);
if (wmemcmp (wbuf, L"aabcdabcjj", 10))
FAIL ();
wcscpy (wbuf + 4, wstr1 + 5);
if (wmemcmp (wbuf, L"aabcEDCBA", 10))
FAIL ();
if (wcpcpy (wbuf + 8, wstr2) != wbuf + 9 || wmemcmp (wbuf, L"aabcEDCBF", 10))
FAIL ();
wcsncpy (wbuf + 6, L"X", l0 + 4);
if (wmemcmp (wbuf, L"aabcEDX\0\0", 10))
FAIL ();
if (wcpncpy (wbuf + 5, L"cd", l0 + 5) != wbuf + 7
|| wmemcmp (wbuf, L"aabcEcd\0\0", 10))
FAIL ();
if (swprintf (wbuf + 7, 3, L"%d", num2) >= 0
|| wmemcmp (wbuf, L"aabcEcd98", 10))
FAIL ();
wbuf[l0 + 8] = L'\0';
wcscat (wbuf, L"A");
if (wmemcmp (wbuf, L"aabcEcd9A", 10))
FAIL ();
wbuf[l0 + 7] = L'\0';
wcsncat (wbuf, L"ZYXWV", l0 + 2);
if (wmemcmp (wbuf, L"aabcEcdZY", 10))
FAIL ();
wmemcpy (wa.buf1, L"abcdefghij", l0 + 10);
wmemmove (wa.buf1 + 1, wa.buf1, l0 + 9);
if (wmemcmp (wa.buf1, L"aabcdefghi", 10))
FAIL ();
if (wmempcpy (wa.buf1 + 5, L"abcde", l0 + 5) != wa.buf1 + 10
|| wmemcmp (wa.buf1, L"aabcdabcde", 10))
FAIL ();
wmemset (wa.buf1 + 8, L'j', l0 + 2);
if (wmemcmp (wa.buf1, L"aabcdabcjj", 10))
FAIL ();
#if __USE_FORTIFY_LEVEL < 2
/* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2
and sufficient GCC support, as the string operations overflow
from a.buf1 into a.buf2. */
wcscpy (wa.buf1 + 4, wstr1 + 5);
if (wmemcmp (wa.buf1, L"aabcEDCBA", 10))
FAIL ();
if (wcpcpy (wa.buf1 + 8, wstr2) != wa.buf1 + 9
|| wmemcmp (wa.buf1, L"aabcEDCBF", 10))
FAIL ();
wcsncpy (wa.buf1 + 6, L"X", l0 + 4);
if (wmemcmp (wa.buf1, L"aabcEDX\0\0", 10))
FAIL ();
if (swprintf (wa.buf1 + 7, 3, L"%d", num2) >= 0
|| wmemcmp (wa.buf1, L"aabcEDX98", 10))
FAIL ();
wa.buf1[l0 + 8] = L'\0';
wcscat (wa.buf1, L"A");
if (wmemcmp (wa.buf1, L"aabcEDX9A", 10))
FAIL ();
wa.buf1[l0 + 7] = L'\0';
wcsncat (wa.buf1, L"ZYXWV", l0 + 2);
if (wmemcmp (wa.buf1, L"aabcEDXZY", 10))
FAIL ();
#endif
#if __USE_FORTIFY_LEVEL >= 1
/* Now check if all buffer overflows are caught at runtime. */
CHK_FAIL_START
wmemcpy (wbuf + 1, L"abcdefghij", l0 + 10);
CHK_FAIL_END
CHK_FAIL_START
wmemcpy (wbuf + 9, L"abcdefghij", l0 + 10);
CHK_FAIL_END
CHK_FAIL_START
wmemmove (wbuf + 2, wbuf + 1, l0 + 9);
CHK_FAIL_END
CHK_FAIL_START
wp = wmempcpy (wbuf + 6, L"abcde", l0 + 5);
CHK_FAIL_END
CHK_FAIL_START
wmemset (wbuf + 9, L'j', l0 + 2);
CHK_FAIL_END
CHK_FAIL_START
wcscpy (wbuf + 5, wstr1 + 5);
CHK_FAIL_END
CHK_FAIL_START
wp = wcpcpy (wbuf + 9, wstr2);
CHK_FAIL_END
CHK_FAIL_START
wcsncpy (wbuf + 7, L"X", l0 + 4);
CHK_FAIL_END
CHK_FAIL_START
wcsncpy (wbuf + 9, L"XABCDEFGH", 8);
CHK_FAIL_END
CHK_FAIL_START
wcpncpy (wbuf + 9, L"XABCDEFGH", 8);
CHK_FAIL_END
CHK_FAIL_START
wcpncpy (wbuf + 6, L"cd", l0 + 5);
CHK_FAIL_END
wmemcpy (wbuf, wstr1 + 2, l0 + 9);
CHK_FAIL_START
wcscat (wbuf, L"AB");
CHK_FAIL_END
wmemcpy (wbuf, wstr1 + 3, l0 + 8);
CHK_FAIL_START
wcsncat (wbuf, L"ZYXWV", l0 + 3);
CHK_FAIL_END
CHK_FAIL_START
wmemcpy (wa.buf1 + 1, L"abcdefghij", l0 + 10);
CHK_FAIL_END
CHK_FAIL_START
wmemmove (wa.buf1 + 2, wa.buf1 + 1, l0 + 9);
CHK_FAIL_END
CHK_FAIL_START
wp = wmempcpy (wa.buf1 + 6, L"abcde", l0 + 5);
CHK_FAIL_END
CHK_FAIL_START
wmemset (wa.buf1 + 9, L'j', l0 + 2);
CHK_FAIL_END
#if __USE_FORTIFY_LEVEL >= 2
# define O 0
#else
# define O 1
#endif
CHK_FAIL_START
wcscpy (wa.buf1 + (O + 4), wstr1 + 5);
CHK_FAIL_END
CHK_FAIL_START
wp = wcpcpy (wa.buf1 + (O + 8), wstr2);
CHK_FAIL_END
CHK_FAIL_START
wcsncpy (wa.buf1 + (O + 6), L"X", l0 + 4);
CHK_FAIL_END
wmemcpy (wa.buf1, wstr1 + (3 - O), l0 + 8 + O);
CHK_FAIL_START
wcscat (wa.buf1, L"AB");
CHK_FAIL_END
wmemcpy (wa.buf1, wstr1 + (4 - O), l0 + 7 + O);
CHK_FAIL_START
wcsncat (wa.buf1, L"ZYXWV", l0 + 3);
CHK_FAIL_END
#endif
/* Now checks for %n protection. */
/* Constant literals passed directly are always ok
(even with warnings about possible bugs from GCC). */
int n1, n2;
if (sprintf (buf, "%s%n%s%n", str2, &n1, str2, &n2) != 2
|| n1 != 1 || n2 != 2)
FAIL ();
/* In this case the format string is not known at compile time,
but resides in read-only memory, so is ok. */
if (snprintf (buf, 4, str3, str2, &n1, str2, &n2) != 2
|| n1 != 1 || n2 != 2)
FAIL ();
strcpy (buf2 + 2, "%n%s%n");
/* When the format string is writable and contains %n,
with -D_FORTIFY_SOURCE=2 it causes __chk_fail. */
CHK_FAIL2_START
if (sprintf (buf, buf2, str2, &n1, str2, &n1) != 2)
FAIL ();
CHK_FAIL2_END
CHK_FAIL2_START
if (snprintf (buf, 3, buf2, str2, &n1, str2, &n1) != 2)
FAIL ();
CHK_FAIL2_END
/* But if there is no %n, even writable format string
should work. */
buf2[6] = '\0';
if (sprintf (buf, buf2 + 4, str2) != 1)
FAIL ();
/* Constant literals passed directly are always ok
(even with warnings about possible bugs from GCC). */
if (printf ("%s%n%s%n", str4, &n1, str5, &n2) != 14
|| n1 != 7 || n2 != 14)
FAIL ();
/* In this case the format string is not known at compile time,
but resides in read-only memory, so is ok. */
if (printf (str3, str4, &n1, str5, &n2) != 14
|| n1 != 7 || n2 != 14)
FAIL ();
strcpy (buf2 + 2, "%n%s%n");
/* When the format string is writable and contains %n,
with -D_FORTIFY_SOURCE=2 it causes __chk_fail. */
CHK_FAIL2_START
if (printf (buf2, str4, &n1, str5, &n1) != 14)
FAIL ();
CHK_FAIL2_END
/* But if there is no %n, even writable format string
should work. */
buf2[6] = '\0';
if (printf (buf2 + 4, str5) != 7)
FAIL ();
FILE *fp = stdout;
/* Constant literals passed directly are always ok
(even with warnings about possible bugs from GCC). */
if (fprintf (fp, "%s%n%s%n", str4, &n1, str5, &n2) != 14
|| n1 != 7 || n2 != 14)
FAIL ();
/* In this case the format string is not known at compile time,
but resides in read-only memory, so is ok. */
if (fprintf (fp, str3, str4, &n1, str5, &n2) != 14
|| n1 != 7 || n2 != 14)
FAIL ();
strcpy (buf2 + 2, "%n%s%n");
/* When the format string is writable and contains %n,
with -D_FORTIFY_SOURCE=2 it causes __chk_fail. */
CHK_FAIL2_START
if (fprintf (fp, buf2, str4, &n1, str5, &n1) != 14)
FAIL ();
CHK_FAIL2_END
/* But if there is no %n, even writable format string
should work. */
buf2[6] = '\0';
if (fprintf (fp, buf2 + 4, str5) != 7)
FAIL ();
char *my_ptr = NULL;
strcpy (buf2 + 2, "%n%s%n");
/* When the format string is writable and contains %n,
with -D_FORTIFY_SOURCE=2 it causes __chk_fail. */
CHK_FAIL2_START
if (asprintf (&my_ptr, buf2, str4, &n1, str5, &n1) != 14)
FAIL ();
else
free (my_ptr);
CHK_FAIL2_END
struct obstack obs;
obstack_init (&obs);
CHK_FAIL2_START
if (obstack_printf (&obs, buf2, str4, &n1, str5, &n1) != 14)
FAIL ();
CHK_FAIL2_END
obstack_free (&obs, NULL);
my_ptr = NULL;
if (asprintf (&my_ptr, "%s%n%s%n", str4, &n1, str5, &n1) != 14)
FAIL ();
else
free (my_ptr);
obstack_init (&obs);
if (obstack_printf (&obs, "%s%n%s%n", str4, &n1, str5, &n1) != 14)
FAIL ();
obstack_free (&obs, NULL);
if (freopen (temp_filename, "r", stdin) == NULL)
{
puts ("could not open temporary file");
exit (1);
}
if (gets (buf) != buf || memcmp (buf, "abcdefgh", 9))
FAIL ();
if (gets (buf) != buf || memcmp (buf, "ABCDEFGHI", 10))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (gets (buf) != buf)
FAIL ();
CHK_FAIL_END
#endif
rewind (stdin);
if (fgets (buf, sizeof (buf), stdin) != buf
|| memcmp (buf, "abcdefgh\n", 10))
FAIL ();
if (fgets (buf, sizeof (buf), stdin) != buf || memcmp (buf, "ABCDEFGHI", 10))
FAIL ();
rewind (stdin);
if (fgets (buf, l0 + sizeof (buf), stdin) != buf
|| memcmp (buf, "abcdefgh\n", 10))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (fgets (buf, sizeof (buf) + 1, stdin) != buf)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (fgets (buf, l0 + sizeof (buf) + 1, stdin) != buf)
FAIL ();
CHK_FAIL_END
#endif
rewind (stdin);
if (fgets_unlocked (buf, sizeof (buf), stdin) != buf
|| memcmp (buf, "abcdefgh\n", 10))
FAIL ();
if (fgets_unlocked (buf, sizeof (buf), stdin) != buf
|| memcmp (buf, "ABCDEFGHI", 10))
FAIL ();
rewind (stdin);
if (fgets_unlocked (buf, l0 + sizeof (buf), stdin) != buf
|| memcmp (buf, "abcdefgh\n", 10))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (fgets_unlocked (buf, sizeof (buf) + 1, stdin) != buf)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (fgets_unlocked (buf, l0 + sizeof (buf) + 1, stdin) != buf)
FAIL ();
CHK_FAIL_END
#endif
rewind (stdin);
if (fread (buf, 1, sizeof (buf), stdin) != sizeof (buf)
|| memcmp (buf, "abcdefgh\nA", 10))
FAIL ();
if (fread (buf, sizeof (buf), 1, stdin) != 1
|| memcmp (buf, "BCDEFGHI\na", 10))
FAIL ();
rewind (stdin);
if (fread (buf, l0 + 1, sizeof (buf), stdin) != sizeof (buf)
|| memcmp (buf, "abcdefgh\nA", 10))
FAIL ();
if (fread (buf, sizeof (buf), l0 + 1, stdin) != 1
|| memcmp (buf, "BCDEFGHI\na", 10))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (fread (buf, 1, sizeof (buf) + 1, stdin) != sizeof (buf) + 1)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (fread (buf, sizeof (buf) + 1, l0 + 1, stdin) != 1)
FAIL ();
CHK_FAIL_END
#endif
rewind (stdin);
if (fread_unlocked (buf, 1, sizeof (buf), stdin) != sizeof (buf)
|| memcmp (buf, "abcdefgh\nA", 10))
FAIL ();
if (fread_unlocked (buf, sizeof (buf), 1, stdin) != 1
|| memcmp (buf, "BCDEFGHI\na", 10))
FAIL ();
rewind (stdin);
if (fread_unlocked (buf, 1, 4, stdin) != 4
|| memcmp (buf, "abcdFGHI\na", 10))
FAIL ();
if (fread_unlocked (buf, 4, 1, stdin) != 1
|| memcmp (buf, "efghFGHI\na", 10))
FAIL ();
rewind (stdin);
if (fread_unlocked (buf, l0 + 1, sizeof (buf), stdin) != sizeof (buf)
|| memcmp (buf, "abcdefgh\nA", 10))
FAIL ();
if (fread_unlocked (buf, sizeof (buf), l0 + 1, stdin) != 1
|| memcmp (buf, "BCDEFGHI\na", 10))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (fread_unlocked (buf, 1, sizeof (buf) + 1, stdin) != sizeof (buf) + 1)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (fread_unlocked (buf, sizeof (buf) + 1, l0 + 1, stdin) != 1)
FAIL ();
CHK_FAIL_END
#endif
lseek (fileno (stdin), 0, SEEK_SET);
if (read (fileno (stdin), buf, sizeof (buf) - 1) != sizeof (buf) - 1
|| memcmp (buf, "abcdefgh\n", 9))
FAIL ();
if (read (fileno (stdin), buf, sizeof (buf) - 1) != sizeof (buf) - 1
|| memcmp (buf, "ABCDEFGHI", 9))
FAIL ();
lseek (fileno (stdin), 0, SEEK_SET);
if (read (fileno (stdin), buf, l0 + sizeof (buf) - 1) != sizeof (buf) - 1
|| memcmp (buf, "abcdefgh\n", 9))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (read (fileno (stdin), buf, sizeof (buf) + 1) != sizeof (buf) + 1)
FAIL ();
CHK_FAIL_END
#endif
if (pread (fileno (stdin), buf, sizeof (buf) - 1, sizeof (buf) - 2)
!= sizeof (buf) - 1
|| memcmp (buf, "\nABCDEFGH", 9))
FAIL ();
if (pread (fileno (stdin), buf, sizeof (buf) - 1, 0) != sizeof (buf) - 1
|| memcmp (buf, "abcdefgh\n", 9))
FAIL ();
if (pread (fileno (stdin), buf, l0 + sizeof (buf) - 1, sizeof (buf) - 3)
!= sizeof (buf) - 1
|| memcmp (buf, "h\nABCDEFG", 9))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (pread (fileno (stdin), buf, sizeof (buf) + 1, 2 * sizeof (buf))
!= sizeof (buf) + 1)
FAIL ();
CHK_FAIL_END
#endif
if (pread64 (fileno (stdin), buf, sizeof (buf) - 1, sizeof (buf) - 2)
!= sizeof (buf) - 1
|| memcmp (buf, "\nABCDEFGH", 9))
FAIL ();
if (pread64 (fileno (stdin), buf, sizeof (buf) - 1, 0) != sizeof (buf) - 1
|| memcmp (buf, "abcdefgh\n", 9))
FAIL ();
if (pread64 (fileno (stdin), buf, l0 + sizeof (buf) - 1, sizeof (buf) - 3)
!= sizeof (buf) - 1
|| memcmp (buf, "h\nABCDEFG", 9))
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (pread64 (fileno (stdin), buf, sizeof (buf) + 1, 2 * sizeof (buf))
!= sizeof (buf) + 1)
FAIL ();
CHK_FAIL_END
#endif
if (freopen (temp_filename, "r", stdin) == NULL)
{
puts ("could not open temporary file");
exit (1);
}
if (fseek (stdin, 9 + 10 + 11, SEEK_SET))
{
puts ("could not seek in test file");
exit (1);
}
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (gets (buf) != buf)
FAIL ();
CHK_FAIL_END
#endif
/* Check whether missing N$ formats are detected. */
CHK_FAIL2_START
printf ("%3$d\n", 1, 2, 3, 4);
CHK_FAIL2_END
CHK_FAIL2_START
fprintf (stdout, "%3$d\n", 1, 2, 3, 4);
CHK_FAIL2_END
CHK_FAIL2_START
sprintf (buf, "%3$d\n", 1, 2, 3, 4);
CHK_FAIL2_END
CHK_FAIL2_START
snprintf (buf, sizeof (buf), "%3$d\n", 1, 2, 3, 4);
CHK_FAIL2_END
int sp[2];
if (socketpair (PF_UNIX, SOCK_STREAM, 0, sp))
FAIL ();
else
{
const char *sendstr = "abcdefgh\nABCDEFGH\n0123456789\n";
if ((size_t) send (sp[0], sendstr, strlen (sendstr), 0)
!= strlen (sendstr))
FAIL ();
char recvbuf[12];
if (recv (sp[1], recvbuf, sizeof recvbuf, MSG_PEEK)
!= sizeof recvbuf
|| memcmp (recvbuf, sendstr, sizeof recvbuf) != 0)
FAIL ();
if (recv (sp[1], recvbuf + 6, l0 + sizeof recvbuf - 7, MSG_PEEK)
!= sizeof recvbuf - 7
|| memcmp (recvbuf + 6, sendstr, sizeof recvbuf - 7) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (recv (sp[1], recvbuf + 1, sizeof recvbuf, MSG_PEEK)
!= sizeof recvbuf)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (recv (sp[1], recvbuf + 4, l0 + sizeof recvbuf - 3, MSG_PEEK)
!= sizeof recvbuf - 3)
FAIL ();
CHK_FAIL_END
#endif
socklen_t sl;
struct sockaddr_un sa_un;
sl = sizeof (sa_un);
if (recvfrom (sp[1], recvbuf, sizeof recvbuf, MSG_PEEK,
(struct sockaddr *) &sa_un, &sl)
!= sizeof recvbuf
|| memcmp (recvbuf, sendstr, sizeof recvbuf) != 0)
FAIL ();
sl = sizeof (sa_un);
if (recvfrom (sp[1], recvbuf + 6, l0 + sizeof recvbuf - 7, MSG_PEEK,
(struct sockaddr *) &sa_un, &sl) != sizeof recvbuf - 7
|| memcmp (recvbuf + 6, sendstr, sizeof recvbuf - 7) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
sl = sizeof (sa_un);
if (recvfrom (sp[1], recvbuf + 1, sizeof recvbuf, MSG_PEEK,
(struct sockaddr *) &sa_un, &sl) != sizeof recvbuf)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
sl = sizeof (sa_un);
if (recvfrom (sp[1], recvbuf + 4, l0 + sizeof recvbuf - 3, MSG_PEEK,
(struct sockaddr *) &sa_un, &sl) != sizeof recvbuf - 3)
FAIL ();
CHK_FAIL_END
#endif
close (sp[0]);
close (sp[1]);
}
char fname[] = "/tmp/tst-chk1-dir-XXXXXX\0foo";
char *enddir = strchr (fname, '\0');
if (mkdtemp (fname) == NULL)
{
printf ("mkdtemp failed: %m\n");
return 1;
}
*enddir = '/';
if (symlink ("bar", fname) != 0)
FAIL ();
char readlinkbuf[4];
if (readlink (fname, readlinkbuf, 4) != 3
|| memcmp (readlinkbuf, "bar", 3) != 0)
FAIL ();
if (readlink (fname, readlinkbuf + 1, l0 + 3) != 3
|| memcmp (readlinkbuf, "bbar", 4) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (readlink (fname, readlinkbuf + 2, l0 + 3) != 3)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (readlink (fname, readlinkbuf + 3, 4) != 3)
FAIL ();
CHK_FAIL_END
#endif
int tmpfd = open ("/tmp", O_RDONLY | O_DIRECTORY);
if (tmpfd < 0)
FAIL ();
if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf, 4) != 3
|| memcmp (readlinkbuf, "bar", 3) != 0)
FAIL ();
if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf + 1,
l0 + 3) != 3
|| memcmp (readlinkbuf, "bbar", 4) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf + 2,
l0 + 3) != 3)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf + 3,
4) != 3)
FAIL ();
CHK_FAIL_END
#endif
close (tmpfd);
char *cwd1 = getcwd (NULL, 0);
if (cwd1 == NULL)
FAIL ();
char *cwd2 = getcwd (NULL, 250);
if (cwd2 == NULL)
FAIL ();
if (cwd1 && cwd2)
{
if (strcmp (cwd1, cwd2) != 0)
FAIL ();
*enddir = '\0';
if (chdir (fname))
FAIL ();
char *cwd3 = getcwd (NULL, 0);
if (cwd3 == NULL)
FAIL ();
if (strcmp (fname, cwd3) != 0)
printf ("getcwd after chdir is '%s' != '%s',"
"get{c,}wd tests skipped\n", cwd3, fname);
else
{
char getcwdbuf[sizeof fname - 3];
char *cwd4 = getcwd (getcwdbuf, sizeof getcwdbuf);
if (cwd4 != getcwdbuf
|| strcmp (getcwdbuf, fname) != 0)
FAIL ();
cwd4 = getcwd (getcwdbuf + 1, l0 + sizeof getcwdbuf - 1);
if (cwd4 != getcwdbuf + 1
|| getcwdbuf[0] != fname[0]
|| strcmp (getcwdbuf + 1, fname) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (getcwd (getcwdbuf + 2, l0 + sizeof getcwdbuf)
!= getcwdbuf + 2)
FAIL ();
CHK_FAIL_END
CHK_FAIL_START
if (getcwd (getcwdbuf + 2, sizeof getcwdbuf)
!= getcwdbuf + 2)
FAIL ();
CHK_FAIL_END
#endif
if (getwd (getcwdbuf) != getcwdbuf
|| strcmp (getcwdbuf, fname) != 0)
FAIL ();
if (getwd (getcwdbuf + 1) != getcwdbuf + 1
|| strcmp (getcwdbuf + 1, fname) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
if (getwd (getcwdbuf + 2) != getcwdbuf + 2)
FAIL ();
CHK_FAIL_END
#endif
}
if (chdir (cwd1) != 0)
FAIL ();
free (cwd3);
}
free (cwd1);
free (cwd2);
*enddir = '/';
if (unlink (fname) != 0)
FAIL ();
*enddir = '\0';
if (rmdir (fname) != 0)
FAIL ();
#if PATH_MAX > 0
char largebuf[PATH_MAX];
char *realres = realpath (".", largebuf);
if (realres != largebuf)
FAIL ();
# if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char realbuf[1];
realres = realpath (".", realbuf);
if (realres != realbuf)
FAIL ();
CHK_FAIL_END
# endif
#endif
if (setlocale (LC_ALL, "de_DE.UTF-8") != NULL)
{
assert (MB_CUR_MAX <= 10);
/* First a simple test. */
char enough[10];
if (wctomb (enough, L'A') != 1)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
/* We know the wchar_t encoding is ISO 10646. So pick a
character which has a multibyte representation which does not
fit. */
CHK_FAIL_START
char smallbuf[2];
if (wctomb (smallbuf, L'\x100') != 2)
FAIL ();
CHK_FAIL_END
#endif
mbstate_t s;
memset (&s, '\0', sizeof (s));
if (wcrtomb (enough, L'D', &s) != 1 || enough[0] != 'D')
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
/* We know the wchar_t encoding is ISO 10646. So pick a
character which has a multibyte representation which does not
fit. */
CHK_FAIL_START
char smallbuf[2];
if (wcrtomb (smallbuf, L'\x100', &s) != 2)
FAIL ();
CHK_FAIL_END
#endif
wchar_t wenough[10];
memset (&s, '\0', sizeof (s));
const char *cp = "A";
if (mbsrtowcs (wenough, &cp, 10, &s) != 1
|| wcscmp (wenough, L"A") != 0)
FAIL ();
cp = "BC";
if (mbsrtowcs (wenough, &cp, l0 + 10, &s) != 2
|| wcscmp (wenough, L"BC") != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
wchar_t wsmallbuf[2];
cp = "ABC";
mbsrtowcs (wsmallbuf, &cp, 10, &s);
CHK_FAIL_END
#endif
cp = "A";
if (mbstowcs (wenough, cp, 10) != 1
|| wcscmp (wenough, L"A") != 0)
FAIL ();
cp = "DEF";
if (mbstowcs (wenough, cp, l0 + 10) != 3
|| wcscmp (wenough, L"DEF") != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
wchar_t wsmallbuf[2];
cp = "ABC";
mbstowcs (wsmallbuf, cp, 10);
CHK_FAIL_END
#endif
memset (&s, '\0', sizeof (s));
cp = "ABC";
wcscpy (wenough, L"DEF");
if (mbsnrtowcs (wenough, &cp, 1, 10, &s) != 1
|| wcscmp (wenough, L"AEF") != 0)
FAIL ();
cp = "IJ";
if (mbsnrtowcs (wenough, &cp, 1, l0 + 10, &s) != 1
|| wcscmp (wenough, L"IEF") != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
wchar_t wsmallbuf[2];
cp = "ABC";
mbsnrtowcs (wsmallbuf, &cp, 3, 10, &s);
CHK_FAIL_END
#endif
memset (&s, '\0', sizeof (s));
const wchar_t *wcp = L"A";
if (wcsrtombs (enough, &wcp, 10, &s) != 1
|| strcmp (enough, "A") != 0)
FAIL ();
wcp = L"BC";
if (wcsrtombs (enough, &wcp, l0 + 10, &s) != 2
|| strcmp (enough, "BC") != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[2];
wcp = L"ABC";
wcsrtombs (smallbuf, &wcp, 10, &s);
CHK_FAIL_END
#endif
memset (enough, 'Z', sizeof (enough));
wcp = L"EF";
if (wcstombs (enough, wcp, 10) != 2
|| strcmp (enough, "EF") != 0)
FAIL ();
wcp = L"G";
if (wcstombs (enough, wcp, l0 + 10) != 1
|| strcmp (enough, "G") != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[2];
wcp = L"ABC";
wcstombs (smallbuf, wcp, 10);
CHK_FAIL_END
#endif
memset (&s, '\0', sizeof (s));
wcp = L"AB";
if (wcsnrtombs (enough, &wcp, 1, 10, &s) != 1
|| strcmp (enough, "A") != 0)
FAIL ();
wcp = L"BCD";
if (wcsnrtombs (enough, &wcp, 1, l0 + 10, &s) != 1
|| strcmp (enough, "B") != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[2];
wcp = L"ABC";
wcsnrtombs (smallbuf, &wcp, 3, 10, &s);
CHK_FAIL_END
#endif
}
else
{
puts ("cannot set locale");
ret = 1;
}
fd = posix_openpt (O_RDWR);
if (fd != -1)
{
char enough[1000];
if (ptsname_r (fd, enough, sizeof (enough)) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[2];
if (ptsname_r (fd, smallbuf, sizeof (smallbuf) + 1) == 0)
FAIL ();
CHK_FAIL_END
#endif
close (fd);
}
#if PATH_MAX > 0
confstr (_CS_GNU_LIBC_VERSION, largebuf, sizeof (largebuf));
# if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
confstr (_CS_GNU_LIBC_VERSION, smallbuf, sizeof (largebuf));
CHK_FAIL_END
# endif
#endif
gid_t grpslarge[5];
int ngr = getgroups (5, grpslarge);
asm volatile ("" : : "r" (ngr));
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
ngr = getgroups (5, (gid_t *) smallbuf);
asm volatile ("" : : "r" (ngr));
CHK_FAIL_END
#endif
fd = open (_PATH_TTY, O_RDONLY);
if (fd != -1)
{
char enough[1000];
if (ttyname_r (fd, enough, sizeof (enough)) != 0)
FAIL ();
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[2];
if (ttyname_r (fd, smallbuf, sizeof (smallbuf) + 1) == 0)
FAIL ();
CHK_FAIL_END
#endif
close (fd);
}
char hostnamelarge[1000];
gethostname (hostnamelarge, sizeof (hostnamelarge));
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
gethostname (smallbuf, sizeof (hostnamelarge));
CHK_FAIL_END
#endif
char loginlarge[1000];
getlogin_r (loginlarge, sizeof (hostnamelarge));
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
getlogin_r (smallbuf, sizeof (loginlarge));
CHK_FAIL_END
#endif
char domainnamelarge[1000];
int res = getdomainname (domainnamelarge, sizeof (domainnamelarge));
asm volatile ("" : : "r" (res));
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
char smallbuf[1];
res = getdomainname (smallbuf, sizeof (domainnamelarge));
asm volatile ("" : : "r" (res));
CHK_FAIL_END
#endif
fd_set s;
FD_ZERO (&s);
FD_SET (FD_SETSIZE - 1, &s);
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
FD_SET (FD_SETSIZE, &s);
CHK_FAIL_END
#endif
FD_CLR (FD_SETSIZE - 1, &s);
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
FD_CLR (FD_SETSIZE, &s);
CHK_FAIL_END
#endif
FD_ISSET (FD_SETSIZE - 1, &s);
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
FD_ISSET (FD_SETSIZE, &s);
CHK_FAIL_END
#endif
struct pollfd fds[1];
fds[0].fd = STDOUT_FILENO;
fds[0].events = POLLOUT;
poll (fds, 1, 0);
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
poll (fds, 2, 0);
CHK_FAIL_END
#endif
ppoll (fds, 1, NULL, NULL);
#if __USE_FORTIFY_LEVEL >= 1
CHK_FAIL_START
ppoll (fds, 2, NULL, NULL);
CHK_FAIL_END
#endif
return ret;
}