Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * badblocks.c --- routines to manipulate the bad block structure |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 3 | * |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 4 | * Copyright (C) 1994, 1995, 1996 Theodore Ts'o. |
| 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 | 21c84b7 | 1997-04-29 16:15:03 +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 | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 28 | #include "ext2fsP.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 29 | |
| 30 | /* |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 31 | * Helper function for making a badblocks list |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 32 | */ |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 33 | static errcode_t make_u32_list(int size, int num, __u32 *list, |
| 34 | ext2_u32_list *ret) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 35 | { |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 36 | ext2_u32_list bb; |
| 37 | errcode_t retval; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 38 | |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 39 | retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_list), &bb); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 40 | if (retval) |
| 41 | return retval; |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 42 | memset(bb, 0, sizeof(struct ext2_struct_u32_list)); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 43 | bb->magic = EXT2_ET_MAGIC_BADBLOCKS_LIST; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 44 | bb->size = size ? size : 10; |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 45 | bb->num = num; |
Theodore Ts'o | ee01079 | 2007-11-09 19:01:06 -0500 | [diff] [blame] | 46 | retval = ext2fs_get_array(bb->size, sizeof(blk_t), &bb->list); |
Theodore Ts'o | 2694f31 | 2006-11-14 00:34:34 -0500 | [diff] [blame] | 47 | if (retval) { |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 48 | ext2fs_free_mem(&bb); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 49 | return retval; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 50 | } |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 51 | if (list) |
| 52 | memcpy(bb->list, list, bb->size * sizeof(blk_t)); |
| 53 | else |
| 54 | memset(bb->list, 0, bb->size * sizeof(blk_t)); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 55 | *ret = bb; |
| 56 | return 0; |
| 57 | } |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 58 | |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 59 | |
| 60 | /* |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 61 | * This procedure creates an empty u32 list. |
| 62 | */ |
| 63 | errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size) |
| 64 | { |
| 65 | return make_u32_list(size, 0, 0, ret); |
| 66 | } |
| 67 | |
| 68 | /* |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 69 | * This procedure creates an empty badblocks list. |
| 70 | */ |
| 71 | errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, int size) |
| 72 | { |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 73 | return make_u32_list(size, 0, 0, (ext2_badblocks_list *) ret); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 74 | } |
| 75 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 76 | |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 77 | /* |
| 78 | * This procedure copies a badblocks list |
| 79 | */ |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 80 | errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest) |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 81 | { |
| 82 | errcode_t retval; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 83 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 84 | retval = make_u32_list(src->size, src->num, src->list, dest); |
Theodore Ts'o | a29f4d3 | 1997-04-29 21:26:48 +0000 | [diff] [blame] | 85 | if (retval) |
| 86 | return retval; |
| 87 | (*dest)->badblocks_flags = src->badblocks_flags; |
| 88 | return 0; |
| 89 | } |
| 90 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 91 | errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
| 92 | ext2_badblocks_list *dest) |
| 93 | { |
| 94 | return ext2fs_u32_copy((ext2_u32_list) src, |
| 95 | (ext2_u32_list *) dest); |
| 96 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 97 | |
| 98 | /* |
| 99 | * This procedure frees a badblocks list. |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 100 | * |
| 101 | * (note: moved to closefs.c) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 102 | */ |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 103 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 104 | |
| 105 | /* |
| 106 | * This procedure adds a block to a badblocks list. |
| 107 | */ |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 108 | errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 109 | { |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 110 | errcode_t retval; |
| 111 | int i, j; |
Theodore Ts'o | 76f875d | 1998-04-27 01:41:13 +0000 | [diff] [blame] | 112 | unsigned long old_size; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 113 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 114 | EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); |
| 115 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 116 | if (bb->num >= bb->size) { |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 117 | old_size = bb->size * sizeof(__u32); |
Theodore Ts'o | f75c28d | 1998-08-01 04:18:06 +0000 | [diff] [blame] | 118 | bb->size += 100; |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 119 | retval = ext2fs_resize_mem(old_size, bb->size * sizeof(__u32), |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 120 | &bb->list); |
Theodore Ts'o | 76f875d | 1998-04-27 01:41:13 +0000 | [diff] [blame] | 121 | if (retval) { |
Theodore Ts'o | f75c28d | 1998-08-01 04:18:06 +0000 | [diff] [blame] | 122 | bb->size -= 100; |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 123 | return retval; |
Theodore Ts'o | 76f875d | 1998-04-27 01:41:13 +0000 | [diff] [blame] | 124 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 125 | } |
| 126 | |
Theodore Ts'o | 9b9fe8a | 1999-11-08 22:05:04 +0000 | [diff] [blame] | 127 | /* |
| 128 | * Add special case code for appending to the end of the list |
| 129 | */ |
| 130 | i = bb->num-1; |
| 131 | if ((bb->num != 0) && (bb->list[i] == blk)) |
| 132 | return 0; |
| 133 | if ((bb->num == 0) || (bb->list[i] < blk)) { |
| 134 | bb->list[bb->num++] = blk; |
| 135 | return 0; |
| 136 | } |
| 137 | |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 138 | j = bb->num; |
| 139 | for (i=0; i < bb->num; i++) { |
| 140 | if (bb->list[i] == blk) |
| 141 | return 0; |
| 142 | if (bb->list[i] > blk) { |
| 143 | j = i; |
| 144 | break; |
| 145 | } |
| 146 | } |
| 147 | for (i=bb->num; i > j; i--) |
| 148 | bb->list[i] = bb->list[i-1]; |
| 149 | bb->list[j] = blk; |
| 150 | bb->num++; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 151 | return 0; |
| 152 | } |
| 153 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 154 | errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, blk_t blk) |
| 155 | { |
| 156 | return ext2fs_u32_list_add((ext2_u32_list) bb, (__u32) blk); |
| 157 | } |
| 158 | |
Theodore Ts'o | 7d7bdd5 | 2003-06-24 17:34:02 -0400 | [diff] [blame] | 159 | /* |
| 160 | * This procedure finds a particular block is on a badblocks |
| 161 | * list. |
| 162 | */ |
| 163 | int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk) |
| 164 | { |
| 165 | int low, high, mid; |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 166 | |
Theodore Ts'o | 7d7bdd5 | 2003-06-24 17:34:02 -0400 | [diff] [blame] | 167 | if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) |
| 168 | return -1; |
| 169 | |
| 170 | if (bb->num == 0) |
| 171 | return -1; |
| 172 | |
| 173 | low = 0; |
| 174 | high = bb->num-1; |
| 175 | if (blk == bb->list[low]) |
| 176 | return low; |
| 177 | if (blk == bb->list[high]) |
| 178 | return high; |
| 179 | |
| 180 | while (low < high) { |
Theodore Ts'o | a4aff9c | 2011-08-31 14:27:21 -0400 | [diff] [blame] | 181 | mid = ((unsigned)low + (unsigned)high)/2; |
Theodore Ts'o | 7d7bdd5 | 2003-06-24 17:34:02 -0400 | [diff] [blame] | 182 | if (mid == low || mid == high) |
| 183 | break; |
| 184 | if (blk == bb->list[mid]) |
| 185 | return mid; |
| 186 | if (blk < bb->list[mid]) |
| 187 | high = mid; |
| 188 | else |
| 189 | low = mid; |
| 190 | } |
| 191 | return -1; |
| 192 | } |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 193 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 194 | /* |
| 195 | * This procedure tests to see if a particular block is on a badblocks |
| 196 | * list. |
| 197 | */ |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 198 | int ext2fs_u32_list_test(ext2_u32_list bb, __u32 blk) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 199 | { |
Theodore Ts'o | 7d7bdd5 | 2003-06-24 17:34:02 -0400 | [diff] [blame] | 200 | if (ext2fs_u32_list_find(bb, blk) < 0) |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 201 | return 0; |
Theodore Ts'o | 7d7bdd5 | 2003-06-24 17:34:02 -0400 | [diff] [blame] | 202 | else |
Theodore Ts'o | 21c84b7 | 1997-04-29 16:15:03 +0000 | [diff] [blame] | 203 | return 1; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 204 | } |
| 205 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 206 | int ext2fs_badblocks_list_test(ext2_badblocks_list bb, blk_t blk) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 207 | { |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 208 | return ext2fs_u32_list_test((ext2_u32_list) bb, (__u32) blk); |
| 209 | } |
| 210 | |
| 211 | |
Theodore Ts'o | 7d7bdd5 | 2003-06-24 17:34:02 -0400 | [diff] [blame] | 212 | /* |
| 213 | * Remove a block from the badblock list |
| 214 | */ |
| 215 | int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk) |
| 216 | { |
| 217 | int remloc, i; |
| 218 | |
| 219 | if (bb->num == 0) |
| 220 | return -1; |
| 221 | |
| 222 | remloc = ext2fs_u32_list_find(bb, blk); |
| 223 | if (remloc < 0) |
| 224 | return -1; |
| 225 | |
| 226 | for (i = remloc ; i < bb->num-1; i++) |
| 227 | bb->list[i] = bb->list[i+1]; |
| 228 | bb->num--; |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk) |
| 233 | { |
| 234 | ext2fs_u32_list_del(bb, blk); |
| 235 | } |
| 236 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 237 | errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, |
| 238 | ext2_u32_iterate *ret) |
| 239 | { |
| 240 | ext2_u32_iterate iter; |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 241 | errcode_t retval; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 242 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 243 | EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); |
| 244 | |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 245 | retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_iterate), &iter); |
Theodore Ts'o | 7b4e453 | 1997-10-26 03:41:24 +0000 | [diff] [blame] | 246 | if (retval) |
| 247 | return retval; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 248 | |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 249 | iter->magic = EXT2_ET_MAGIC_BADBLOCKS_ITERATE; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 250 | iter->bb = bb; |
| 251 | iter->ptr = 0; |
| 252 | *ret = iter; |
| 253 | return 0; |
| 254 | } |
| 255 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 256 | errcode_t ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, |
| 257 | ext2_badblocks_iterate *ret) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 258 | { |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 259 | return ext2fs_u32_list_iterate_begin((ext2_u32_list) bb, |
| 260 | (ext2_u32_iterate *) ret); |
| 261 | } |
| 262 | |
| 263 | |
| 264 | int ext2fs_u32_list_iterate(ext2_u32_iterate iter, __u32 *blk) |
| 265 | { |
| 266 | ext2_u32_list bb; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 267 | |
| 268 | if (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE) |
| 269 | return 0; |
| 270 | |
| 271 | bb = iter->bb; |
| 272 | |
| 273 | if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) |
| 274 | return 0; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 275 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 276 | if (iter->ptr < bb->num) { |
| 277 | *blk = bb->list[iter->ptr++]; |
| 278 | return 1; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 279 | } |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 280 | *blk = 0; |
| 281 | return 0; |
| 282 | } |
| 283 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 284 | int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, blk_t *blk) |
| 285 | { |
| 286 | return ext2fs_u32_list_iterate((ext2_u32_iterate) iter, |
| 287 | (__u32 *) blk); |
| 288 | } |
| 289 | |
| 290 | |
| 291 | void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 292 | { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 293 | if (!iter || (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE)) |
| 294 | return; |
| 295 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 296 | iter->bb = 0; |
Theodore Ts'o | c4e3d3f | 2003-08-01 09:41:07 -0400 | [diff] [blame] | 297 | ext2fs_free_mem(&iter); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 298 | } |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 299 | |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 300 | void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter) |
| 301 | { |
| 302 | ext2fs_u32_list_iterate_end((ext2_u32_iterate) iter); |
| 303 | } |
| 304 | |
| 305 | |
| 306 | int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2) |
Theodore Ts'o | 57dca85 | 2000-07-04 19:20:25 +0000 | [diff] [blame] | 307 | { |
| 308 | EXT2_CHECK_MAGIC(bb1, EXT2_ET_MAGIC_BADBLOCKS_LIST); |
| 309 | EXT2_CHECK_MAGIC(bb2, EXT2_ET_MAGIC_BADBLOCKS_LIST); |
| 310 | |
| 311 | if (bb1->num != bb2->num) |
| 312 | return 0; |
| 313 | |
| 314 | if (memcmp(bb1->list, bb2->list, bb1->num * sizeof(blk_t)) != 0) |
| 315 | return 0; |
| 316 | return 1; |
| 317 | } |
Theodore Ts'o | b7a0056 | 2002-07-20 00:28:07 -0400 | [diff] [blame] | 318 | |
| 319 | int ext2fs_badblocks_equal(ext2_badblocks_list bb1, ext2_badblocks_list bb2) |
| 320 | { |
| 321 | return ext2fs_u32_list_equal((ext2_u32_list) bb1, |
| 322 | (ext2_u32_list) bb2); |
| 323 | } |
Theodore Ts'o | 220c004 | 2003-03-14 00:59:42 -0500 | [diff] [blame] | 324 | |
| 325 | int ext2fs_u32_list_count(ext2_u32_list bb) |
| 326 | { |
| 327 | return bb->num; |
| 328 | } |