File: [Development] / xfs-cmds / xfsprogs / libxlog / util.c (download)
Revision 1.6, Thu Dec 19 00:38:27 2002 UTC (14 years, 10 months ago) by nathans
Branch: MAIN
Changes since 1.5: +7 -7
lines
Flush out my xfsprogs backlog - bunch of I18N and sector size related
changes mainly, also some build minor build cleanups here and there.
Changes for I18N support.
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/*
* Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
*
* 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.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#include <libxlog.h>
int print_exit;
int print_record_header;
libxfs_init_t x;
static int
header_check_uuid(xfs_mount_t *mp, xlog_rec_header_t *head)
{
char uu_log[64], uu_sb[64];
if (!uuid_compare(mp->m_sb.sb_uuid, head->h_fs_uuid)) return 0;
uuid_unparse(mp->m_sb.sb_uuid, uu_sb);
uuid_unparse(head->h_fs_uuid, uu_log);
printf(_("* ERROR: mismatched uuid in log\n"
"* SB : %s\n* log: %s\n"),
uu_sb, uu_log);
memcpy(&mp->m_sb.sb_uuid, head->h_fs_uuid, sizeof(uuid_t));
return 0;
}
int
xlog_header_check_recover(xfs_mount_t *mp, xlog_rec_header_t *head)
{
if (print_record_header)
printf(_("\nLOG REC AT LSN cycle %d block %d (0x%x, 0x%x)\n"),
CYCLE_LSN(head->h_lsn, ARCH_CONVERT),
BLOCK_LSN(head->h_lsn, ARCH_CONVERT),
CYCLE_LSN(head->h_lsn, ARCH_CONVERT),
BLOCK_LSN(head->h_lsn, ARCH_CONVERT));
if (INT_GET(head->h_magicno, ARCH_CONVERT) != XLOG_HEADER_MAGIC_NUM) {
printf(_("* ERROR: bad magic number in log header: 0x%x\n"),
INT_GET(head->h_magicno, ARCH_CONVERT));
} else if (header_check_uuid(mp, head)) {
/* failed - fall through */
} else if (INT_GET(head->h_fmt, ARCH_CONVERT) != XLOG_FMT) {
printf(_("* ERROR: log format incompatible (log=%d, ours=%d)\n"),
INT_GET(head->h_fmt, ARCH_CONVERT), XLOG_FMT);
} else {
/* everything is ok */
return 0;
}
/* bail out now or just carry on regardless */
if (print_exit)
xlog_exit(_("Bad log"));
return 0;
}
int
xlog_header_check_mount(xfs_mount_t *mp, xlog_rec_header_t *head)
{
if (uuid_is_null(head->h_fs_uuid)) return 0;
if (header_check_uuid(mp, head)) {
/* bail out now or just carry on regardless */
if (print_exit)
xlog_exit(_("Bad log"));
}
return 0;
}