mirror of
https://github.com/sheumann/hush.git
synced 2024-11-11 16:07:16 +00:00
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* cmp_bitmaps.c --- routines to compare inode and block bitmaps.
|
|
*
|
|
* Copyright (C) 1995 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"
|
|
|
|
errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1,
|
|
ext2fs_block_bitmap bm2)
|
|
{
|
|
blk_t i;
|
|
|
|
EXT2_CHECK_MAGIC(bm1, EXT2_ET_MAGIC_BLOCK_BITMAP);
|
|
EXT2_CHECK_MAGIC(bm2, EXT2_ET_MAGIC_BLOCK_BITMAP);
|
|
|
|
if ((bm1->start != bm2->start) ||
|
|
(bm1->end != bm2->end) ||
|
|
(memcmp(bm1->bitmap, bm2->bitmap,
|
|
(size_t) (bm1->end - bm1->start)/8)))
|
|
return EXT2_ET_NEQ_BLOCK_BITMAP;
|
|
|
|
for (i = bm1->end - ((bm1->end - bm1->start) % 8); i <= bm1->end; i++)
|
|
if (ext2fs_fast_test_block_bitmap(bm1, i) !=
|
|
ext2fs_fast_test_block_bitmap(bm2, i))
|
|
return EXT2_ET_NEQ_BLOCK_BITMAP;
|
|
|
|
return 0;
|
|
}
|
|
|
|
errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1,
|
|
ext2fs_inode_bitmap bm2)
|
|
{
|
|
ext2_ino_t i;
|
|
|
|
EXT2_CHECK_MAGIC(bm1, EXT2_ET_MAGIC_INODE_BITMAP);
|
|
EXT2_CHECK_MAGIC(bm2, EXT2_ET_MAGIC_INODE_BITMAP);
|
|
|
|
if ((bm1->start != bm2->start) ||
|
|
(bm1->end != bm2->end) ||
|
|
(memcmp(bm1->bitmap, bm2->bitmap,
|
|
(size_t) (bm1->end - bm1->start)/8)))
|
|
return EXT2_ET_NEQ_INODE_BITMAP;
|
|
|
|
for (i = bm1->end - ((bm1->end - bm1->start) % 8); i <= bm1->end; i++)
|
|
if (ext2fs_fast_test_inode_bitmap(bm1, i) !=
|
|
ext2fs_fast_test_inode_bitmap(bm2, i))
|
|
return EXT2_ET_NEQ_INODE_BITMAP;
|
|
|
|
return 0;
|
|
}
|
|
|