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usr / src / tests / sys / cddl / zfs / bin /

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📄 Makefile(1.17 KB)
📄 bsddisks.ksh(134 B)
📄 chg_usr_exec.c(1.86 KB)
📄 devname2devid.c(2.83 KB)
📄 dir_rd_update.c(2.69 KB)
📄 dircmp.ksh(49 B)
📄 dumpadm.ksh(135 B)
📄 ff.ksh(55 B)
📄 file_check.c(2.17 KB)
📄 file_common.h(1.59 KB)
📄 file_trunc.c(4.48 KB)
📄 file_write.c(5.26 KB)
📄 fmadm.ksh(55 B)
📄 fmdump.ksh(55 B)
📄 format.ksh(55 B)
📄 groupadd.ksh(114 B)
📄 groupdel.ksh(114 B)
📄 groupmod.ksh(114 B)
📄 groupshow.ksh(67 B)
📄 largest_file.c(2.96 KB)
📄 mkfile.c(4.67 KB)
📄 mktree.c(4.36 KB)
📄 mmapwrite.c(2.25 KB)
📄 randfree_file.c(2.23 KB)
📄 readmmap.c(2.91 KB)
📄 rename_dir.c(2.13 KB)
📄 rm_lnkcnt_zero_file.c(3.13 KB)
📄 svcs.ksh(55 B)
📄 swap.ksh(50 B)
📄 testenv.ksh(188 B)
📄 useradd.ksh(113 B)
📄 userdel.ksh(113 B)
📄 usermod.ksh(113 B)
📄 zfs.ksh(1.23 KB)
📄 zfs_crypto.ksh(1.65 KB)
📄 zfs_version.ksh(1.47 KB)
📄 zlogin.ksh(55 B)
📄 zoneadm.ksh(56 B)
📄 zonecfg.ksh(55 B)
📄 zpool.ksh(1.29 KB)
📄 zpool_bsd.ksh(634 B)
📄 zpool_smi.ksh(2.83 KB)
📄 zpool_version.ksh(1.88 KB)

Editing: largest_file.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 * $FreeBSD$
 */

/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"@(#)largest_file.c	1.3	07/05/25 SMI"

#include "file_common.h"
#include <sys/param.h>
#include <signal.h>
#include <stdio.h>

/*
 * --------------------------------------------------------------
 *
 *	Assertion:
 *		The last byte of the largest file size can be
 *		accessed without any errors.  Also, the writing
 *		beyond the last byte of the largest file size
 *		will produce an errno of EFBIG.
 *
 * --------------------------------------------------------------
 *	If the write() system call below returns a "1",
 *	then the last byte can be accessed.
 * --------------------------------------------------------------
 */
static void	sigxfsz(int);
static void	usage(char *);

int
main(int argc, char **argv)
{
	int		fd = 0;
	off_t		offset = (OFF_MAX - 1);
	off_t		lseek_ret = 0;
	int		write_ret = 0;
	int		err = 0;
	char		mybuf[5];
	char		*testfile;

if (argc != 2) {
		usage(argv[0]);
	}

(void) sigset(SIGXFSZ, sigxfsz);

testfile = strdup(argv[1]);

fd = open(testfile, O_CREAT | O_RDWR);
	if (fd < 0) {
		perror("Failed to create testfile");
		err = errno;
		goto out;
	}

lseek_ret = lseek(fd, offset, SEEK_SET);
	if (lseek_ret < 0) {
		perror("Failed to seek to end of testfile");
		err = errno;
		goto out;
	}

write_ret = write(fd, mybuf, 1);
	if (write_ret < 0) {
		perror("Failed to write to end of file");
		err = errno;
		goto out;
	}

offset = 0;
	lseek_ret = lseek(fd, offset, SEEK_CUR);
	if (lseek_ret < 0) {
		perror("Failed to seek to end of file");
		err = errno;
		goto out;
	}

write_ret = write(fd, mybuf, 1);
	if (write_ret < 0) {
		if (errno == EFBIG) {
			(void) printf("write errno=EFBIG: success\n");
			err = 0;
		} else {
			perror("Did not receive EFBIG");
			err = errno;
		}
	} else {
		(void) printf("write completed successfully, test failed\n");
		err = 1;
	}

out:
	(void) unlink(testfile);
	free(testfile);
	return (err);
}

static void
usage(char *name)
{
	(void) printf("%s <testfile>\n", name);
	exit(1);
}

/* ARGSUSED */
static void
sigxfsz(int signo)
{
	(void) printf("\nlargest_file: sigxfsz() caught SIGXFSZ\n");
}

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Editing: largest_file.c

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