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/* libguestfs
* Copyright (C) 2010 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Test that we can get correct errnos all the way back from the
* appliance, translated to the local operating system.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <error.h>
#include "guestfs.h"
int
main (int argc, char *argv[])
{
guestfs_h *g;
int r, err;
struct guestfs_statns *stat;
g = guestfs_create ();
if (g == NULL)
error (EXIT_FAILURE, errno, "guestfs_create");
if (guestfs_add_drive_scratch (g, 524288000, -1) == -1)
exit (EXIT_FAILURE);
if (guestfs_launch (g) == -1)
exit (EXIT_FAILURE);
if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
exit (EXIT_FAILURE);
if (guestfs_mkfs (g, "ext2", "/dev/sda1") == -1)
exit (EXIT_FAILURE);
/* Mount read-only, and check that errno == EROFS is passed back when
* we create a file.
*/
if (guestfs_mount_ro (g, "/dev/sda1", "/") == -1)
exit (EXIT_FAILURE);
r = guestfs_touch (g, "/test");
if (r != -1)
error (EXIT_FAILURE, 0,
"guestfs_touch: expected error for read-only filesystem");
err = guestfs_last_errno (g);
if (err != EROFS)
error (EXIT_FAILURE, 0,
"guestfs_touch: expected errno == EROFS, but got %d", err);
if (guestfs_umount (g, "/") == -1)
exit (EXIT_FAILURE);
/* Mount it writable and test some other errors. */
if (guestfs_mount (g, "/dev/sda1", "/") == -1)
exit (EXIT_FAILURE);
stat = guestfs_lstatns (g, "/nosuchfile");
if (stat != NULL)
error (EXIT_FAILURE, 0,
"guestfs_lstat: expected error for missing file");
err = guestfs_last_errno (g);
if (err != ENOENT)
error (EXIT_FAILURE, 0,
"guestfs_lstat: expected errno == ENOENT, but got %d", err);
if (guestfs_touch (g, "/test") == -1)
exit (EXIT_FAILURE);
r = guestfs_mkdir (g, "/test");
if (r != -1)
error (EXIT_FAILURE, 0,
"guestfs_mkdir: expected error for file which exists");
err = guestfs_last_errno (g);
if (err != EEXIST)
error (EXIT_FAILURE, 0,
"guestfs_mkdir: expected errno == EEXIST, but got %d", err);
guestfs_close (g);
exit (EXIT_SUCCESS);
}
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