testcases/kernel/syscalls/statvfs/statvfs01.c

/*
 * Copyright (c) Wipro Technologies Ltd, 2005.  All Rights Reserved.
 *    AUTHOR: Prashant P Yendigeri <prashant.yendigeri@wipro.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 */
/*
 *    DESCRIPTION
 *      This is a Phase I test for the statvfs(2) system call.
 *      It is intended to provide a limited exposure of the system call.
 *	This call behaves similar to statfs.
 */

#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <sys/statvfs.h>
#include <stdint.h>

#include "test.h"

#define TEST_PATH "/"

static void setup(void);
static void cleanup(void);

char *TCID = "statvfs01";
int TST_TOTAL = 1;

int main(int ac, char **av)
{
	struct statvfs buf;
	int lc;
	const char *msg;

	if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
		tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);

	setup();

	for (lc = 0; TEST_LOOPING(lc); lc++) {

		tst_count = 0;

		TEST(statvfs(TEST_PATH, &buf));

		if (TEST_RETURN == -1) {
			tst_resm(TFAIL | TERRNO, "statvfs(%s, ...) failed",
				 TEST_PATH);
		} else {
			tst_resm(TPASS, "statvfs(%s, ...) passed", TEST_PATH);
		}

	}

	tst_resm(TINFO, "This call is similar to statfs");
	tst_resm(TINFO, "Extracting info about the '%s' file system",
		 TEST_PATH);
	tst_resm(TINFO, "file system block size = %lu bytes", buf.f_bsize);
	tst_resm(TINFO, "file system fragment size = %lu bytes", buf.f_frsize);
	tst_resm(TINFO, "file system free blocks = %ju",
		 (uintmax_t) buf.f_bfree);
	tst_resm(TINFO, "file system total inodes = %ju",
		 (uintmax_t) buf.f_files);
	tst_resm(TINFO, "file system free inodes = %ju",
		 (uintmax_t) buf.f_ffree);
	tst_resm(TINFO, "file system id = %lu", buf.f_fsid);
	tst_resm(TINFO, "file system max filename length = %lu", buf.f_namemax);

	cleanup();
	tst_exit();
}

static void setup(void)
{
	tst_sig(NOFORK, DEF_HANDLER, cleanup);

	TEST_PAUSE;
}

static void cleanup(void)
{
}