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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt/router/busybox/e2fsprogs/old_e2fsprogs/ext2fs/
1/* vi: set sw=4 ts=4: */
2/*
3 * gen_bitmap.c --- Generic bitmap routines that used to be inlined.
4 *
5 * Copyright (C) 2001 Theodore Ts'o.
6 *
7 * %Begin-Header%
8 * This file may be redistributed under the terms of the GNU Public
9 * License.
10 * %End-Header%
11 */
12
13
14#include <stdio.h>
15#include <string.h>
16#if HAVE_UNISTD_H
17#include <unistd.h>
18#endif
19#include <fcntl.h>
20#include <time.h>
21#if HAVE_SYS_STAT_H
22#include <sys/stat.h>
23#endif
24#if HAVE_SYS_TYPES_H
25#include <sys/types.h>
26#endif
27
28#include "ext2_fs.h"
29#include "ext2fs.h"
30
31int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
32					 __u32 bitno)
33{
34	if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
35		ext2fs_warn_bitmap2(bitmap, EXT2FS_MARK_ERROR, bitno);
36		return 0;
37	}
38	return ext2fs_set_bit(bitno - bitmap->start, bitmap->bitmap);
39}
40
41int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
42					   blk_t bitno)
43{
44	if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
45		ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno);
46		return 0;
47	}
48	return ext2fs_clear_bit(bitno - bitmap->start, bitmap->bitmap);
49}
50