put small subset of e2fsprogs back in the tree:
lsattr, chattr, fsck. Old e2fsprogs tree is in e2fsprogs/old_e2fsprogs/*.
This commit is contained in:
367
e2fsprogs/old_e2fsprogs/ext2fs/ext2fs_inline.c
Normal file
367
e2fsprogs/old_e2fsprogs/ext2fs/ext2fs_inline.c
Normal file
@@ -0,0 +1,367 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* ext2fs.h --- ext2fs
|
||||
*
|
||||
* 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 "ext2fs.h"
|
||||
#include "bitops.h"
|
||||
#include <string.h>
|
||||
|
||||
/*
|
||||
* Allocate memory
|
||||
*/
|
||||
errcode_t ext2fs_get_mem(unsigned long size, void *ptr)
|
||||
{
|
||||
void **pp = (void **)ptr;
|
||||
|
||||
*pp = malloc(size);
|
||||
if (!*pp)
|
||||
return EXT2_ET_NO_MEMORY;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Free memory
|
||||
*/
|
||||
errcode_t ext2fs_free_mem(void *ptr)
|
||||
{
|
||||
void **pp = (void **)ptr;
|
||||
|
||||
free(*pp);
|
||||
*pp = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Resize memory
|
||||
*/
|
||||
errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size,
|
||||
unsigned long size, void *ptr)
|
||||
{
|
||||
void *p;
|
||||
|
||||
/* Use "memcpy" for pointer assignments here to avoid problems
|
||||
* with C99 strict type aliasing rules. */
|
||||
memcpy(&p, ptr, sizeof (p));
|
||||
p = realloc(p, size);
|
||||
if (!p)
|
||||
return EXT2_ET_NO_MEMORY;
|
||||
memcpy(ptr, &p, sizeof (p));
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Mark a filesystem superblock as dirty
|
||||
*/
|
||||
void ext2fs_mark_super_dirty(ext2_filsys fs)
|
||||
{
|
||||
fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Mark a filesystem as changed
|
||||
*/
|
||||
void ext2fs_mark_changed(ext2_filsys fs)
|
||||
{
|
||||
fs->flags |= EXT2_FLAG_CHANGED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Check to see if a filesystem has changed
|
||||
*/
|
||||
int ext2fs_test_changed(ext2_filsys fs)
|
||||
{
|
||||
return (fs->flags & EXT2_FLAG_CHANGED);
|
||||
}
|
||||
|
||||
/*
|
||||
* Mark a filesystem as valid
|
||||
*/
|
||||
void ext2fs_mark_valid(ext2_filsys fs)
|
||||
{
|
||||
fs->flags |= EXT2_FLAG_VALID;
|
||||
}
|
||||
|
||||
/*
|
||||
* Mark a filesystem as NOT valid
|
||||
*/
|
||||
void ext2fs_unmark_valid(ext2_filsys fs)
|
||||
{
|
||||
fs->flags &= ~EXT2_FLAG_VALID;
|
||||
}
|
||||
|
||||
/*
|
||||
* Check to see if a filesystem is valid
|
||||
*/
|
||||
int ext2fs_test_valid(ext2_filsys fs)
|
||||
{
|
||||
return (fs->flags & EXT2_FLAG_VALID);
|
||||
}
|
||||
|
||||
/*
|
||||
* Mark the inode bitmap as dirty
|
||||
*/
|
||||
void ext2fs_mark_ib_dirty(ext2_filsys fs)
|
||||
{
|
||||
fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Mark the block bitmap as dirty
|
||||
*/
|
||||
void ext2fs_mark_bb_dirty(ext2_filsys fs)
|
||||
{
|
||||
fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Check to see if a filesystem's inode bitmap is dirty
|
||||
*/
|
||||
int ext2fs_test_ib_dirty(ext2_filsys fs)
|
||||
{
|
||||
return (fs->flags & EXT2_FLAG_IB_DIRTY);
|
||||
}
|
||||
|
||||
/*
|
||||
* Check to see if a filesystem's block bitmap is dirty
|
||||
*/
|
||||
int ext2fs_test_bb_dirty(ext2_filsys fs)
|
||||
{
|
||||
return (fs->flags & EXT2_FLAG_BB_DIRTY);
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the group # of a block
|
||||
*/
|
||||
int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk)
|
||||
{
|
||||
return (blk - fs->super->s_first_data_block) /
|
||||
fs->super->s_blocks_per_group;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the group # of an inode number
|
||||
*/
|
||||
int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino)
|
||||
{
|
||||
return (ino - 1) / fs->super->s_inodes_per_group;
|
||||
}
|
||||
|
||||
blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
|
||||
struct ext2_inode *inode)
|
||||
{
|
||||
return inode->i_blocks -
|
||||
(inode->i_file_acl ? fs->blocksize >> 9 : 0);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
__u16 ext2fs_swab16(__u16 val)
|
||||
{
|
||||
return (val >> 8) | (val << 8);
|
||||
}
|
||||
|
||||
__u32 ext2fs_swab32(__u32 val)
|
||||
{
|
||||
return ((val>>24) | ((val>>8)&0xFF00) |
|
||||
((val<<8)&0xFF0000) | (val<<24));
|
||||
}
|
||||
|
||||
int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
|
||||
blk_t bitno);
|
||||
|
||||
int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
|
||||
blk_t bitno)
|
||||
{
|
||||
if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
|
||||
ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR, bitno);
|
||||
return 0;
|
||||
}
|
||||
return ext2fs_test_bit(bitno - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap,
|
||||
blk_t block)
|
||||
{
|
||||
return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap)
|
||||
bitmap,
|
||||
block);
|
||||
}
|
||||
|
||||
int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
|
||||
blk_t block)
|
||||
{
|
||||
return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
|
||||
block);
|
||||
}
|
||||
|
||||
int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap,
|
||||
blk_t block)
|
||||
{
|
||||
return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
|
||||
block);
|
||||
}
|
||||
|
||||
int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
|
||||
ext2_ino_t inode)
|
||||
{
|
||||
return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
|
||||
inode);
|
||||
}
|
||||
|
||||
int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
|
||||
ext2_ino_t inode)
|
||||
{
|
||||
return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
|
||||
inode);
|
||||
}
|
||||
|
||||
int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
|
||||
ext2_ino_t inode)
|
||||
{
|
||||
return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
|
||||
inode);
|
||||
}
|
||||
|
||||
void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
|
||||
blk_t block)
|
||||
{
|
||||
ext2fs_set_bit(block - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
|
||||
blk_t block)
|
||||
{
|
||||
ext2fs_clear_bit(block - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
|
||||
blk_t block)
|
||||
{
|
||||
return ext2fs_test_bit(block - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
|
||||
ext2_ino_t inode)
|
||||
{
|
||||
ext2fs_set_bit(inode - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
|
||||
ext2_ino_t inode)
|
||||
{
|
||||
ext2fs_clear_bit(inode - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
|
||||
ext2_ino_t inode)
|
||||
{
|
||||
return ext2fs_test_bit(inode - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap)
|
||||
{
|
||||
return bitmap->start;
|
||||
}
|
||||
|
||||
ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)
|
||||
{
|
||||
return bitmap->start;
|
||||
}
|
||||
|
||||
blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap)
|
||||
{
|
||||
return bitmap->end;
|
||||
}
|
||||
|
||||
ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)
|
||||
{
|
||||
return bitmap->end;
|
||||
}
|
||||
|
||||
int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
|
||||
blk_t block, int num)
|
||||
{
|
||||
int i;
|
||||
|
||||
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
|
||||
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
|
||||
block, bitmap->description);
|
||||
return 0;
|
||||
}
|
||||
for (i=0; i < num; i++) {
|
||||
if (ext2fs_fast_test_block_bitmap(bitmap, block+i))
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
|
||||
blk_t block, int num)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i=0; i < num; i++) {
|
||||
if (ext2fs_fast_test_block_bitmap(bitmap, block+i))
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
|
||||
blk_t block, int num)
|
||||
{
|
||||
int i;
|
||||
|
||||
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
|
||||
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
|
||||
bitmap->description);
|
||||
return;
|
||||
}
|
||||
for (i=0; i < num; i++)
|
||||
ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
|
||||
blk_t block, int num)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i=0; i < num; i++)
|
||||
ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
|
||||
blk_t block, int num)
|
||||
{
|
||||
int i;
|
||||
|
||||
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
|
||||
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
|
||||
bitmap->description);
|
||||
return;
|
||||
}
|
||||
for (i=0; i < num; i++)
|
||||
ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
|
||||
}
|
||||
|
||||
void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
|
||||
blk_t block, int num)
|
||||
{
|
||||
int i;
|
||||
for (i=0; i < num; i++)
|
||||
ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
|
||||
}
|
Reference in New Issue
Block a user