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Diffstat (limited to 'e2fsprogs/old_e2fsprogs/ext2fs/bitmaps.c')
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/bitmaps.c211
1 files changed, 0 insertions, 211 deletions
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/bitmaps.c b/e2fsprogs/old_e2fsprogs/ext2fs/bitmaps.c
deleted file mode 100644
index 637ed27..0000000
--- a/e2fsprogs/old_e2fsprogs/ext2fs/bitmaps.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * bitmaps.c --- routines to read, write, and manipulate the inode and
- * block bitmaps.
- *
- * Copyright (C) 1993, 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 "ext2fs.h"
-
-static errcode_t make_bitmap(__u32 start, __u32 end, __u32 real_end,
- const char *descr, char *init_map,
- ext2fs_generic_bitmap *ret)
-{
- ext2fs_generic_bitmap bitmap;
- errcode_t retval;
- size_t size;
-
- retval = ext2fs_get_mem(sizeof(struct ext2fs_struct_generic_bitmap),
- &bitmap);
- if (retval)
- return retval;
-
- bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP;
- bitmap->fs = NULL;
- bitmap->start = start;
- bitmap->end = end;
- bitmap->real_end = real_end;
- bitmap->base_error_code = EXT2_ET_BAD_GENERIC_MARK;
- if (descr) {
- retval = ext2fs_get_mem(strlen(descr)+1, &bitmap->description);
- if (retval) {
- ext2fs_free_mem(&bitmap);
- return retval;
- }
- strcpy(bitmap->description, descr);
- } else
- bitmap->description = 0;
-
- size = (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1);
- retval = ext2fs_get_mem(size, &bitmap->bitmap);
- if (retval) {
- ext2fs_free_mem(&bitmap->description);
- ext2fs_free_mem(&bitmap);
- return retval;
- }
-
- if (init_map)
- memcpy(bitmap->bitmap, init_map, size);
- else
- memset(bitmap->bitmap, 0, size);
- *ret = bitmap;
- return 0;
-}
-
-errcode_t ext2fs_allocate_generic_bitmap(__u32 start,
- __u32 end,
- __u32 real_end,
- const char *descr,
- ext2fs_generic_bitmap *ret)
-{
- return make_bitmap(start, end, real_end, descr, 0, ret);
-}
-
-errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src,
- ext2fs_generic_bitmap *dest)
-{
- errcode_t retval;
- ext2fs_generic_bitmap new_map;
-
- retval = make_bitmap(src->start, src->end, src->real_end,
- src->description, src->bitmap, &new_map);
- if (retval)
- return retval;
- new_map->magic = src->magic;
- new_map->fs = src->fs;
- new_map->base_error_code = src->base_error_code;
- *dest = new_map;
- return 0;
-}
-
-void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map)
-{
- __u32 i, j;
-
- for (i=map->end+1, j = i - map->start; i <= map->real_end; i++, j++)
- ext2fs_set_bit(j, map->bitmap);
-}
-
-errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs,
- const char *descr,
- ext2fs_inode_bitmap *ret)
-{
- ext2fs_inode_bitmap bitmap;
- errcode_t retval;
- __u32 start, end, real_end;
-
- EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
-
- fs->write_bitmaps = ext2fs_write_bitmaps;
-
- start = 1;
- end = fs->super->s_inodes_count;
- real_end = (EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count);
-
- retval = ext2fs_allocate_generic_bitmap(start, end, real_end,
- descr, &bitmap);
- if (retval)
- return retval;
-
- bitmap->magic = EXT2_ET_MAGIC_INODE_BITMAP;
- bitmap->fs = fs;
- bitmap->base_error_code = EXT2_ET_BAD_INODE_MARK;
-
- *ret = bitmap;
- return 0;
-}
-
-errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs,
- const char *descr,
- ext2fs_block_bitmap *ret)
-{
- ext2fs_block_bitmap bitmap;
- errcode_t retval;
- __u32 start, end, real_end;
-
- EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
-
- fs->write_bitmaps = ext2fs_write_bitmaps;
-
- start = fs->super->s_first_data_block;
- end = fs->super->s_blocks_count-1;
- real_end = (EXT2_BLOCKS_PER_GROUP(fs->super)
- * fs->group_desc_count)-1 + start;
-
- retval = ext2fs_allocate_generic_bitmap(start, end, real_end,
- descr, &bitmap);
- if (retval)
- return retval;
-
- bitmap->magic = EXT2_ET_MAGIC_BLOCK_BITMAP;
- bitmap->fs = fs;
- bitmap->base_error_code = EXT2_ET_BAD_BLOCK_MARK;
-
- *ret = bitmap;
- return 0;
-}
-
-errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap,
- ext2_ino_t end, ext2_ino_t *oend)
-{
- EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_INODE_BITMAP);
-
- if (end > bitmap->real_end)
- return EXT2_ET_FUDGE_INODE_BITMAP_END;
- if (oend)
- *oend = bitmap->end;
- bitmap->end = end;
- return 0;
-}
-
-errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap,
- blk_t end, blk_t *oend)
-{
- EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_BLOCK_BITMAP);
-
- if (end > bitmap->real_end)
- return EXT2_ET_FUDGE_BLOCK_BITMAP_END;
- if (oend)
- *oend = bitmap->end;
- bitmap->end = end;
- return 0;
-}
-
-void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap)
-{
- if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_INODE_BITMAP))
- return;
-
- memset(bitmap->bitmap, 0,
- (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1));
-}
-
-void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap)
-{
- if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_BLOCK_BITMAP))
- return;
-
- memset(bitmap->bitmap, 0,
- (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1));
-}