aboutsummaryrefslogtreecommitdiff
path: root/e2fsprogs/old_e2fsprogs/ext2fs/badblocks.c
diff options
context:
space:
mode:
Diffstat (limited to 'e2fsprogs/old_e2fsprogs/ext2fs/badblocks.c')
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/badblocks.c328
1 files changed, 0 insertions, 328 deletions
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/badblocks.c b/e2fsprogs/old_e2fsprogs/ext2fs/badblocks.c
deleted file mode 100644
index 6e5cc10b8..000000000
--- a/e2fsprogs/old_e2fsprogs/ext2fs/badblocks.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * 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_u32_list(int size, int num, __u32 *list,
- ext2_u32_list *ret)
-{
- ext2_u32_list bb;
- errcode_t retval;
-
- retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_list), &bb);
- if (retval)
- return retval;
- memset(bb, 0, sizeof(struct ext2_struct_u32_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), &bb->list);
- if (!bb->list) {
- ext2fs_free_mem(&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 u32 list.
- */
-errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size)
-{
- return make_u32_list(size, 0, 0, ret);
-}
-
-/*
- * This procedure creates an empty badblocks list.
- */
-errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, int size)
-{
- return make_u32_list(size, 0, 0, (ext2_badblocks_list *) ret);
-}
-
-
-/*
- * This procedure copies a badblocks list
- */
-errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest)
-{
- errcode_t retval;
-
- retval = make_u32_list(src->size, src->num, src->list, dest);
- if (retval)
- return retval;
- (*dest)->badblocks_flags = src->badblocks_flags;
- return 0;
-}
-
-errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src,
- ext2_badblocks_list *dest)
-{
- return ext2fs_u32_copy((ext2_u32_list) src,
- (ext2_u32_list *) dest);
-}
-
-/*
- * This procedure frees a badblocks list.
- *
- * (note: moved to closefs.c)
- */
-
-
-/*
- * This procedure adds a block to a badblocks list.
- */
-errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 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(__u32);
- bb->size += 100;
- retval = ext2fs_resize_mem(old_size, bb->size * sizeof(__u32),
- &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;
-}
-
-errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, blk_t blk)
-{
- return ext2fs_u32_list_add((ext2_u32_list) bb, (__u32) blk);
-}
-
-/*
- * This procedure finds a particular block is on a badblocks
- * list.
- */
-int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk)
-{
- int low, high, mid;
-
- if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST)
- return -1;
-
- if (bb->num == 0)
- return -1;
-
- low = 0;
- high = bb->num-1;
- if (blk == bb->list[low])
- return low;
- if (blk == bb->list[high])
- return high;
-
- while (low < high) {
- mid = (low+high)/2;
- if (mid == low || mid == high)
- break;
- if (blk == bb->list[mid])
- return mid;
- if (blk < bb->list[mid])
- high = mid;
- else
- low = mid;
- }
- return -1;
-}
-
-/*
- * This procedure tests to see if a particular block is on a badblocks
- * list.
- */
-int ext2fs_u32_list_test(ext2_u32_list bb, __u32 blk)
-{
- if (ext2fs_u32_list_find(bb, blk) < 0)
- return 0;
- else
- return 1;
-}
-
-int ext2fs_badblocks_list_test(ext2_badblocks_list bb, blk_t blk)
-{
- return ext2fs_u32_list_test((ext2_u32_list) bb, (__u32) blk);
-}
-
-
-/*
- * Remove a block from the badblock list
- */
-int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk)
-{
- int remloc, i;
-
- if (bb->num == 0)
- return -1;
-
- remloc = ext2fs_u32_list_find(bb, blk);
- if (remloc < 0)
- return -1;
-
- for (i = remloc; i < bb->num - 1; i++)
- bb->list[i] = bb->list[i+1];
- bb->num--;
- return 0;
-}
-
-void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk)
-{
- ext2fs_u32_list_del(bb, blk);
-}
-
-errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb,
- ext2_u32_iterate *ret)
-{
- ext2_u32_iterate iter;
- errcode_t retval;
-
- EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST);
-
- retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_iterate), &iter);
- if (retval)
- return retval;
-
- iter->magic = EXT2_ET_MAGIC_BADBLOCKS_ITERATE;
- iter->bb = bb;
- iter->ptr = 0;
- *ret = iter;
- return 0;
-}
-
-errcode_t ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb,
- ext2_badblocks_iterate *ret)
-{
- return ext2fs_u32_list_iterate_begin((ext2_u32_list) bb,
- (ext2_u32_iterate *) ret);
-}
-
-
-int ext2fs_u32_list_iterate(ext2_u32_iterate iter, __u32 *blk)
-{
- ext2_u32_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;
-}
-
-int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, blk_t *blk)
-{
- return ext2fs_u32_list_iterate((ext2_u32_iterate) iter,
- (__u32 *) blk);
-}
-
-
-void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter)
-{
- if (!iter || (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE))
- return;
-
- iter->bb = 0;
- ext2fs_free_mem(&iter);
-}
-
-void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter)
-{
- ext2fs_u32_list_iterate_end((ext2_u32_iterate) iter);
-}
-
-
-int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_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;
-}
-
-int ext2fs_badblocks_equal(ext2_badblocks_list bb1, ext2_badblocks_list bb2)
-{
- return ext2fs_u32_list_equal((ext2_u32_list) bb1,
- (ext2_u32_list) bb2);
-}
-
-int ext2fs_u32_list_count(ext2_u32_list bb)
-{
- return bb->num;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-09 10:53:22 +0000