diff options
author | Guido Guenther <agx@sigxcpu.org> | 2007-11-21 16:55:40 +0100 |
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committer | Guido Guenther <agx@sigxcpu.org> | 2007-11-21 16:55:40 +0100 |
commit | 498267851d48ee60376dc96411fb8693a5e95a3c (patch) | |
tree | 9f1533b742a37b5213dc651e84aff9401df7e640 /e2fslib/badblocks.c | |
parent | 4bf1c0b76bed01bd30c28a089639b88d326ba2c3 (diff) |
remove unneeded e2fslib
Diffstat (limited to 'e2fslib/badblocks.c')
-rw-r--r-- | e2fslib/badblocks.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/e2fslib/badblocks.c b/e2fslib/badblocks.c deleted file mode 100644 index 4e94e8c..0000000 --- a/e2fslib/badblocks.c +++ /dev/null @@ -1,236 +0,0 @@ -/* - * badblocks.c --- routines to manipulate the bad block structure - * - * Copyright (C) 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -/* - * Helper function for making a badblocks list - */ -static errcode_t make_badblocks_list(int size, int num, blk_t *list, - ext2_badblocks_list *ret) -{ - ext2_badblocks_list bb; - errcode_t retval; - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_badblocks_list), - (void **) &bb); - if (retval) - return retval; - memset(bb, 0, sizeof(struct ext2_struct_badblocks_list)); - bb->magic = EXT2_ET_MAGIC_BADBLOCKS_LIST; - bb->size = size ? size : 10; - bb->num = num; - retval = ext2fs_get_mem(bb->size * sizeof(blk_t), (void **) &bb->list); - if (!bb->list) { - ext2fs_free_mem((void **) &bb); - return retval; - } - if (list) - memcpy(bb->list, list, bb->size * sizeof(blk_t)); - else - memset(bb->list, 0, bb->size * sizeof(blk_t)); - *ret = bb; - return 0; -} - - -/* - * This procedure creates an empty badblocks list. - */ -errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, int size) -{ - return make_badblocks_list(size, 0, 0, ret); -} - -/* - * This procedure copies a badblocks list - */ -errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, - ext2_badblocks_list *dest) -{ - errcode_t retval; - - retval = make_badblocks_list(src->size, src->num, src->list, - dest); - if (retval) - return retval; - (*dest)->badblocks_flags = src->badblocks_flags; - return 0; -} - - -/* - * This procedure frees a badblocks list. - * - * (note: moved to closefs.c) - */ - - -/* - * This procedure adds a block to a badblocks list. - */ -errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, blk_t blk) -{ - errcode_t retval; - int i, j; - unsigned long old_size; - - EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - if (bb->num >= bb->size) { - old_size = bb->size * sizeof(blk_t); - bb->size += 100; - retval = ext2fs_resize_mem(old_size, bb->size * sizeof(blk_t), - (void **) &bb->list); - if (retval) { - bb->size -= 100; - return retval; - } - } - - /* - * Add special case code for appending to the end of the list - */ - i = bb->num-1; - if ((bb->num != 0) && (bb->list[i] == blk)) - return 0; - if ((bb->num == 0) || (bb->list[i] < blk)) { - bb->list[bb->num++] = blk; - return 0; - } - - j = bb->num; - for (i=0; i < bb->num; i++) { - if (bb->list[i] == blk) - return 0; - if (bb->list[i] > blk) { - j = i; - break; - } - } - for (i=bb->num; i > j; i--) - bb->list[i] = bb->list[i-1]; - bb->list[j] = blk; - bb->num++; - return 0; -} - -/* - * This procedure tests to see if a particular block is on a badblocks - * list. - */ -int ext2fs_badblocks_list_test(ext2_badblocks_list bb, blk_t blk) -{ - int low, high, mid; - - if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return 0; - - if (bb->num == 0) - return 0; - - low = 0; - high = bb->num-1; - if (blk == bb->list[low]) - return 1; - if (blk == bb->list[high]) - return 1; - - while (low < high) { - mid = (low+high)/2; - if (mid == low || mid == high) - break; - if (blk == bb->list[mid]) - return 1; - if (blk < bb->list[mid]) - high = mid; - else - low = mid; - } - return 0; -} - -errcode_t ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, - ext2_badblocks_iterate *ret) -{ - ext2_badblocks_iterate iter; - errcode_t retval; - - EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_badblocks_iterate), - (void **) &iter); - if (retval) - return retval; - - iter->magic = EXT2_ET_MAGIC_BADBLOCKS_ITERATE; - iter->bb = bb; - iter->ptr = 0; - *ret = iter; - return 0; -} - -int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, blk_t *blk) -{ - ext2_badblocks_list bb; - - if (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE) - return 0; - - bb = iter->bb; - - if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return 0; - - if (iter->ptr < bb->num) { - *blk = bb->list[iter->ptr++]; - return 1; - } - *blk = 0; - return 0; -} - -void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter) -{ - if (!iter || (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE)) - return; - - iter->bb = 0; - ext2fs_free_mem((void **) &iter); -} - -int ext2fs_badblocks_equal(ext2_badblocks_list bb1, ext2_badblocks_list bb2) -{ - EXT2_CHECK_MAGIC(bb1, EXT2_ET_MAGIC_BADBLOCKS_LIST); - EXT2_CHECK_MAGIC(bb2, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - if (bb1->num != bb2->num) - return 0; - - if (memcmp(bb1->list, bb2->list, bb1->num * sizeof(blk_t)) != 0) - return 0; - return 1; -} |