]>
Commit | Line | Data |
---|---|---|
873b7c85 | 1 | /* |
da23017d NS |
2 | * Copyright (c) 2004-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
873b7c85 | 4 | * |
da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
873b7c85 GO |
7 | * published by the Free Software Foundation. |
8 | * | |
da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
873b7c85 | 13 | * |
da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
873b7c85 | 17 | */ |
6b803e5a CH |
18 | #include "libxfs.h" |
19 | #include "libxlog.h" | |
873b7c85 GO |
20 | |
21 | #include "logprint.h" | |
22 | ||
23 | /* | |
24 | * Extract a log and write it out to a file | |
25 | */ | |
26 | ||
27 | void | |
28 | xfs_log_copy( | |
999f0b9c | 29 | struct xlog *log, |
873b7c85 GO |
30 | int fd, |
31 | char *filename) | |
32 | { | |
33 | int ofd, r; | |
34 | xfs_daddr_t blkno; | |
35 | char buf[XLOG_HEADER_SIZE]; | |
36 | ||
37 | if ((ofd = open(filename, O_CREAT|O_EXCL|O_RDWR|O_TRUNC, 0666)) == -1) { | |
38 | perror("open"); | |
39 | exit(1); | |
40 | } | |
41 | ||
42 | xlog_print_lseek(log, fd, 0, SEEK_SET); | |
43 | for (blkno = 0; blkno < log->l_logBBsize; blkno++) { | |
44 | r = read(fd, buf, sizeof(buf)); | |
45 | if (r < 0) { | |
9ee7055c | 46 | fprintf(stderr, _("%s: read error (%lld): %s\n"), |
873b7c85 GO |
47 | __FUNCTION__, (long long)blkno, |
48 | strerror(errno)); | |
49 | continue; | |
50 | } else if (r == 0) { | |
9ee7055c | 51 | printf(_("%s: physical end of log at %lld\n"), |
873b7c85 GO |
52 | __FUNCTION__, (long long)blkno); |
53 | break; | |
54 | } else if (r != sizeof(buf)) { | |
9ee7055c | 55 | fprintf(stderr, _("%s: short read? (%lld)\n"), |
873b7c85 GO |
56 | __FUNCTION__, (long long)blkno); |
57 | continue; | |
58 | } | |
59 | ||
60 | r = write(ofd, buf, sizeof(buf)); | |
61 | if (r < 0) { | |
9ee7055c | 62 | fprintf(stderr, _("%s: write error (%lld): %s\n"), |
873b7c85 GO |
63 | __FUNCTION__, (long long)blkno, |
64 | strerror(errno)); | |
65 | break; | |
66 | } else if (r != sizeof(buf)) { | |
9ee7055c | 67 | fprintf(stderr, _("%s: short write? (%lld)\n"), |
873b7c85 GO |
68 | __FUNCTION__, (long long)blkno); |
69 | continue; | |
70 | } | |
71 | } | |
72 | ||
73 | close(ofd); | |
74 | } |