gen_bitmap.c revision 3034f62a0f9c31e6dce8bd1237cffd3851847250 
1/*
2 * gen_bitmap.c --- Generic bitmap routines that used to be inlined.
3 *
4 * Copyright (C) 2001 Theodore Ts'o.
5 *
6 * %Begin-Header%
7 * This file may be redistributed under the terms of the GNU Public
8 * License.
9 * %End-Header%
10 */
11
12
13#include <stdio.h>
14#include <string.h>
15#if HAVE_UNISTD_H
16#include <unistd.h>
17#endif
18#include <fcntl.h>
19#include <time.h>
20#if HAVE_SYS_STAT_H
21#include <sys/stat.h>
22#endif
23#if HAVE_SYS_TYPES_H
24#include <sys/types.h>
25#endif
26
27#include "ext2_fs.h"
28#include "ext2fs.h"
29
30int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
31					 __u32 bitno)
32{
33	if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
34		ext2fs_warn_bitmap2(bitmap, EXT2FS_MARK_ERROR, bitno);
35		return 0;
36	}
37	return ext2fs_set_bit(bitno - bitmap->start, bitmap->bitmap);
38}
39
40int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
41					   blk_t bitno)
42{
43	if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
44		ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno);
45		return 0;
46	}
47	return ext2fs_clear_bit(bitno - bitmap->start, bitmap->bitmap);
48}
49