Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 2 | * read_bb_file.c --- read a list of bad blocks from a FILE * |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 3 | * |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 4 | * Copyright (C) 1994, 1995, 2000 Theodore Ts'o. |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 5 | * |
| 6 | * %Begin-Header% |
Theodore Ts'o | 543547a | 2010-05-17 21:31:56 -0400 | [diff] [blame] | 7 | * This file may be redistributed under the terms of the GNU Library |
| 8 | * General Public License, version 2. |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 9 | * %End-Header% |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 10 | */ |
| 11 | |
Theodore Ts'o | d1154eb | 2011-09-18 17:34:37 -0400 | [diff] [blame] | 12 | #include "config.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 13 | #include <stdio.h> |
| 14 | #include <string.h> |
Theodore Ts'o | 4cbe8af | 1997-08-10 23:07:40 +0000 | [diff] [blame] | 15 | #if HAVE_UNISTD_H |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 16 | #include <unistd.h> |
Theodore Ts'o | 4cbe8af | 1997-08-10 23:07:40 +0000 | [diff] [blame] | 17 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 18 | #include <fcntl.h> |
| 19 | #include <time.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 20 | #if HAVE_SYS_STAT_H |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 21 | #include <sys/stat.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 22 | #endif |
| 23 | #if HAVE_SYS_TYPES_H |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 24 | #include <sys/types.h> |
Theodore Ts'o | 1d2ff46 | 1997-10-19 23:00:21 +0000 | [diff] [blame] | 25 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 26 | |
Theodore Ts'o | b5abe6f | 1998-01-19 14:47:53 +0000 | [diff] [blame] | 27 | #include "ext2_fs.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 28 | #include "ext2fs.h" |
| 29 | |
| 30 | /* |
| 31 | * Reads a list of bad blocks from a FILE * |
| 32 | */ |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 33 | errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 34 | ext2_badblocks_list *bb_list, |
Theodore Ts'o | 50cd7e0 | 2002-07-14 16:00:50 -0400 | [diff] [blame] | 35 | void *priv_data, |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 36 | void (*invalid)(ext2_filsys fs, |
| 37 | blk_t blk, |
| 38 | char *badstr, |
Theodore Ts'o | 50cd7e0 | 2002-07-14 16:00:50 -0400 | [diff] [blame] | 39 | void *priv_data)) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 40 | { |
| 41 | errcode_t retval; |
| 42 | blk_t blockno; |
| 43 | int count; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 44 | char buf[128]; |
| 45 | |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 46 | if (fs) |
| 47 | EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 48 | |
| 49 | if (!*bb_list) { |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 50 | retval = ext2fs_badblocks_list_create(bb_list, 10); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 51 | if (retval) |
| 52 | return retval; |
| 53 | } |
| 54 | |
| 55 | while (!feof (f)) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 56 | if (fgets(buf, sizeof(buf), f) == NULL) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 57 | break; |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 58 | count = sscanf(buf, "%u", &blockno); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 59 | if (count <= 0) |
| 60 | continue; |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 61 | if (fs && |
| 62 | ((blockno < fs->super->s_first_data_block) || |
Valerie Aurora Henson | 6d8b37f | 2010-06-13 11:00:00 -0400 | [diff] [blame] | 63 | (blockno >= ext2fs_blocks_count(fs->super)))) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 64 | if (invalid) |
Theodore Ts'o | 50cd7e0 | 2002-07-14 16:00:50 -0400 | [diff] [blame] | 65 | (invalid)(fs, blockno, buf, priv_data); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 66 | continue; |
| 67 | } |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 68 | retval = ext2fs_badblocks_list_add(*bb_list, blockno); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 69 | if (retval) |
| 70 | return retval; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 71 | } |
| 72 | return 0; |
| 73 | } |
| 74 | |
Theodore Ts'o | 9b9a780 | 2005-12-10 21:50:30 -0500 | [diff] [blame] | 75 | struct compat_struct { |
| 76 | void (*invalid)(ext2_filsys, blk_t); |
| 77 | }; |
| 78 | |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 79 | static void call_compat_invalid(ext2_filsys fs, blk_t blk, |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 80 | char *badstr EXT2FS_ATTR((unused)), |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 81 | void *priv_data) |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 82 | { |
Theodore Ts'o | 9b9a780 | 2005-12-10 21:50:30 -0500 | [diff] [blame] | 83 | struct compat_struct *st; |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 84 | |
Theodore Ts'o | 9b9a780 | 2005-12-10 21:50:30 -0500 | [diff] [blame] | 85 | st = (struct compat_struct *) priv_data; |
| 86 | if (st->invalid) |
| 87 | (st->invalid)(fs, blk); |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | |
| 91 | /* |
| 92 | * Reads a list of bad blocks from a FILE * |
| 93 | */ |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 94 | errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 95 | ext2_badblocks_list *bb_list, |
| 96 | void (*invalid)(ext2_filsys fs, blk_t blk)) |
| 97 | { |
Theodore Ts'o | 9b9a780 | 2005-12-10 21:50:30 -0500 | [diff] [blame] | 98 | struct compat_struct st; |
| 99 | |
| 100 | st.invalid = invalid; |
| 101 | |
| 102 | return ext2fs_read_bb_FILE2(fs, f, bb_list, &st, |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 103 | call_compat_invalid); |
| 104 | } |
| 105 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 106 | |