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/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define TEST_INIT
#include "tmacros.h"
#include <sys/types.h>
#include <stdio.h>
#include <errno.h>
#include <inttypes.h>
#include <limits.h>
const char rtems_test_name[] = "FSFSEEKO 1";
static void test(void)
{
FILE *file;
int rv;
const off_t off = sizeof(off_t) >= sizeof(int64_t)
? INT64_MAX
: (sizeof(off_t) == sizeof(int32_t) ? INT32_MAX : 1);
off_t actual_off;
const long long_off = LONG_MAX;
long actual_long_off;
errno = 0;
file = fopen("file", "w+");
rtems_test_assert(file != NULL);
rtems_test_assert(errno == 0);
errno = 0;
rv = fseek(file, long_off, SEEK_SET);
rtems_test_assert(rv == 0);
rtems_test_assert(errno == 0);
errno = 0;
actual_long_off = ftell(file);
rtems_test_assert(actual_long_off == long_off);
rtems_test_assert(errno == 0);
errno = 0;
actual_off = ftello(file);
rtems_test_assert(actual_off == long_off);
rtems_test_assert(errno == 0);
errno = 0;
rv = fseeko(file, off, SEEK_SET);
rtems_test_assert(rv == 0);
rtems_test_assert(errno == 0);
if (sizeof(off_t) == sizeof(long)) {
errno = 0;
actual_long_off = ftell(file);
rtems_test_assert(actual_long_off == off);
rtems_test_assert(errno == 0);
} else {
errno = 0;
actual_long_off = ftell(file);
rtems_test_assert(actual_long_off == -1L);
rtems_test_assert(errno == EOVERFLOW);
}
errno = 0;
actual_off = ftello(file);
rtems_test_assert(actual_off == off);
rtems_test_assert(errno == 0);
errno = 0;
rv = fclose(file);
rtems_test_assert(rv == 0);
rtems_test_assert(errno == 0);
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test();
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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