fix building with debugging enabled #413

This commit is contained in:
Mike Frysinger 2005-09-25 05:18:04 +00:00
parent de242f6d5f
commit 7ad978045d
5 changed files with 485 additions and 682 deletions

View File

@ -36,7 +36,7 @@ EXT2FS_SRC := gen_bitmap.c bitops.c ismounted.c mkjournal.c unix_io.c \
bb_inode.c newdir.c alloc_sb.c lookup.c dirblock.c expanddir.c \ bb_inode.c newdir.c alloc_sb.c lookup.c dirblock.c expanddir.c \
dir_iterate.c link.c res_gdt.c icount.c get_pathname.c dblist.c \ dir_iterate.c link.c res_gdt.c icount.c get_pathname.c dblist.c \
dirhash.c version.c flushb.c unlink.c check_desc.c valid_blk.c \ dirhash.c version.c flushb.c unlink.c check_desc.c valid_blk.c \
ext_attr.c bmap.c dblist_dir.c ext_attr.c bmap.c dblist_dir.c ext2fs_inline.c
EXT2FS_SRCS := $(patsubst %,ext2fs/%, $(EXT2FS_SRC)) EXT2FS_SRCS := $(patsubst %,ext2fs/%, $(EXT2FS_SRC))
EXT2FS_OBJS := $(patsubst %.c,%.o, $(EXT2FS_SRCS)) EXT2FS_OBJS := $(patsubst %.c,%.o, $(EXT2FS_SRCS))
@ -47,7 +47,7 @@ UUID_OBJS := $(patsubst %.c,%.o, $(UUID_SRCS))
E2FSPROGS-:= E2FSPROGS-:=
E2FSPROGS-$(CONFIG_CHATTR) += chattr.o $(E2P_OBJS) E2FSPROGS-$(CONFIG_CHATTR) += chattr.o $(E2P_OBJS)
E2FSPROGS-$(CONFIG_E2FSCK) += e2fsck.o $(BLKID_OBJS) $(E2FSCK_OBJS) E2FSPROGS-$(CONFIG_E2FSCK) += e2fsck.o util.o $(BLKID_OBJS) $(E2FSCK_OBJS)
E2FSPROGS-$(CONFIG_FSCK) += fsck.o base_device.o E2FSPROGS-$(CONFIG_FSCK) += fsck.o base_device.o
E2FSPROGS-$(CONFIG_LSATTR) += lsattr.o $(E2P_OBJS) E2FSPROGS-$(CONFIG_LSATTR) += lsattr.o $(E2P_OBJS)
E2FSPROGS-$(CONFIG_MKE2FS) += mke2fs.o util.o $(E2P_OBJS) $(BLKID_OBJS) $(EXT2FS_OBJS) $(UUID_OBJS) E2FSPROGS-$(CONFIG_MKE2FS) += mke2fs.o util.o $(E2P_OBJS) $(BLKID_OBJS) $(EXT2FS_OBJS) $(UUID_OBJS)

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@ -562,9 +562,11 @@ void dict_insert(dict_t *dict, dnode_t *node, const void *key)
node->key = key; node->key = key;
#ifndef NDEBUG
assert (!dict_isfull(dict)); assert (!dict_isfull(dict));
assert (!dict_contains(dict, node)); assert (!dict_contains(dict, node));
assert (!dnode_is_in_a_dict(node)); assert (!dnode_is_in_a_dict(node));
#endif
/* basic binary tree insert */ /* basic binary tree insert */
@ -642,7 +644,9 @@ void dict_insert(dict_t *dict, dnode_t *node, const void *key)
dict_root(dict)->color = dnode_black; dict_root(dict)->color = dnode_black;
#ifdef E2FSCK_NOTUSED
assert (dict_verify(dict)); assert (dict_verify(dict));
#endif
} }
#ifdef E2FSCK_NOTUSED #ifdef E2FSCK_NOTUSED
@ -816,7 +820,9 @@ dnode_t *dict_delete(dict_t *dict, dnode_t *delete)
dict_root(dict)->color = dnode_black; dict_root(dict)->color = dnode_black;
} }
#ifdef E2FSCK_NOTUSED
assert (dict_verify(dict)); assert (dict_verify(dict));
#endif
return delete; return delete;
} }
@ -998,7 +1004,9 @@ dnode_t *dnode_init(dnode_t *dnode, void *data)
void dnode_destroy(dnode_t *dnode) void dnode_destroy(dnode_t *dnode)
{ {
#ifndef NDEBUG
assert (!dnode_is_in_a_dict(dnode)); assert (!dnode_is_in_a_dict(dnode));
#endif
free(dnode); free(dnode);
} }
@ -1055,10 +1063,10 @@ void dict_load_next(dict_load_t *load, dnode_t *newnode, const void *key)
dict_t *dict = load->dictptr; dict_t *dict = load->dictptr;
dnode_t *nil = &load->nilnode; dnode_t *nil = &load->nilnode;
#ifndef NDEBUG
assert (!dnode_is_in_a_dict(newnode)); assert (!dnode_is_in_a_dict(newnode));
assert (dict->nodecount < dict->maxcount); assert (dict->nodecount < dict->maxcount);
#ifndef NDEBUG
if (dict->nodecount > 0) { if (dict->nodecount > 0) {
if (dict->dupes) if (dict->dupes)
assert (dict->compare(nil->left->key, key) <= 0); assert (dict->compare(nil->left->key, key) <= 0);
@ -1152,7 +1160,9 @@ void dict_load_end(dict_load_t *load)
complete->color = dnode_black; complete->color = dnode_black;
dict_root(dict) = complete; dict_root(dict) = complete;
#ifdef E2FSCK_NOTUSED
assert (dict_verify(dict)); assert (dict_verify(dict));
#endif
} }
void dict_merge(dict_t *dest, dict_t *source) void dict_merge(dict_t *dest, dict_t *source)

View File

@ -103,516 +103,3 @@ extern int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
__u32 bitno); __u32 bitno);
extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap, extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
blk_t bitno); blk_t bitno);
/*
* The inline routines themselves...
*
* If NO_INLINE_FUNCS is defined, then we won't try to do inline
* functions at all; they will be included as normal functions in
* inline.c
*/
#ifdef NO_INLINE_FUNCS
#if (defined(__GNUC__) && (defined(__i386__) || defined(__i486__) || \
defined(__i586__) || defined(__mc68000__) || \
defined(__sparc__)))
/* This prevents bitops.c from trying to include the C */
/* function version of these functions */
#define _EXT2_HAVE_ASM_BITOPS_
#endif
#endif /* NO_INLINE_FUNCS */
#if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
#ifdef INCLUDE_INLINE_FUNCS
#define _INLINE_ extern
#else
#ifdef __GNUC__
#define _INLINE_ extern __inline__
#else /* For Watcom C */
#define _INLINE_ extern inline
#endif
#endif
#if ((defined __GNUC__) && !defined(_EXT2_USE_C_VERSIONS_) && \
(defined(__i386__) || defined(__i486__) || defined(__i586__)))
#define _EXT2_HAVE_ASM_BITOPS_
#define _EXT2_HAVE_ASM_SWAB_
#define _EXT2_HAVE_ASM_FINDBIT_
/*
* These are done by inline assembly for speed reasons.....
*
* All bitoperations return 0 if the bit was cleared before the
* operation and != 0 if it was not. Bit 0 is the LSB of addr; bit 32
* is the LSB of (addr+1).
*/
/*
* Some hacks to defeat gcc over-optimizations..
*/
struct __dummy_h { unsigned long a[100]; };
#define EXT2FS_ADDR (*(struct __dummy_h *) addr)
#define EXT2FS_CONST_ADDR (*(const struct __dummy_h *) addr)
_INLINE_ int ext2fs_set_bit(int nr, void * addr)
{
int oldbit;
__asm__ __volatile__("btsl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (EXT2FS_ADDR)
:"r" (nr));
return oldbit;
}
_INLINE_ int ext2fs_clear_bit(int nr, void * addr)
{
int oldbit;
__asm__ __volatile__("btrl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (EXT2FS_ADDR)
:"r" (nr));
return oldbit;
}
_INLINE_ int ext2fs_test_bit(int nr, const void * addr)
{
int oldbit;
__asm__ __volatile__("btl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit)
:"m" (EXT2FS_CONST_ADDR),"r" (nr));
return oldbit;
}
#if 0
_INLINE_ int ext2fs_find_first_bit_set(void * addr, unsigned size)
{
int d0, d1, d2;
int res;
if (!size)
return 0;
/* This looks at memory. Mark it volatile to tell gcc not to move it around */
__asm__ __volatile__(
"cld\n\t"
"xorl %%eax,%%eax\n\t"
"xorl %%edx,%%edx\n\t"
"repe; scasl\n\t"
"je 1f\n\t"
"movl -4(%%edi),%%eax\n\t"
"subl $4,%%edi\n\t"
"bsfl %%eax,%%edx\n"
"1:\tsubl %%esi,%%edi\n\t"
"shll $3,%%edi\n\t"
"addl %%edi,%%edx"
:"=d" (res), "=&c" (d0), "=&D" (d1), "=&a" (d2)
:"1" ((size + 31) >> 5), "2" (addr), "S" (addr));
return res;
}
_INLINE_ int ext2fs_find_next_bit_set (void * addr, int size, int offset)
{
unsigned long * p = ((unsigned long *) addr) + (offset >> 5);
int set = 0, bit = offset & 31, res;
if (bit) {
/*
* Look for zero in first byte
*/
__asm__("bsfl %1,%0\n\t"
"jne 1f\n\t"
"movl $32, %0\n"
"1:"
: "=r" (set)
: "r" (*p >> bit));
if (set < (32 - bit))
return set + offset;
set = 32 - bit;
p++;
}
/*
* No bit found yet, search remaining full bytes for a bit
*/
res = ext2fs_find_first_bit_set(p, size - 32 * (p - (unsigned long *) addr));
return (offset + set + res);
}
#endif
#ifdef EXT2FS_ENABLE_SWAPFS
_INLINE_ __u32 ext2fs_swab32(__u32 val)
{
#ifdef EXT2FS_REQUIRE_486
__asm__("bswap %0" : "=r" (val) : "0" (val));
#else
__asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
"rorl $16,%0\n\t" /* swap words */
"xchgb %b0,%h0" /* swap higher bytes */
:"=q" (val)
: "0" (val));
#endif
return val;
}
_INLINE_ __u16 ext2fs_swab16(__u16 val)
{
__asm__("xchgb %b0,%h0" /* swap bytes */ \
: "=q" (val) \
: "0" (val)); \
return val;
}
#endif
#undef EXT2FS_ADDR
#endif /* i386 */
#ifdef __mc68000__
#define _EXT2_HAVE_ASM_BITOPS_
_INLINE_ int ext2fs_set_bit(int nr,void * addr)
{
char retval;
__asm__ __volatile__ ("bfset %2@{%1:#1}; sne %0"
: "=d" (retval) : "d" (nr^7), "a" (addr));
return retval;
}
_INLINE_ int ext2fs_clear_bit(int nr, void * addr)
{
char retval;
__asm__ __volatile__ ("bfclr %2@{%1:#1}; sne %0"
: "=d" (retval) : "d" (nr^7), "a" (addr));
return retval;
}
_INLINE_ int ext2fs_test_bit(int nr, const void * addr)
{
char retval;
__asm__ __volatile__ ("bftst %2@{%1:#1}; sne %0"
: "=d" (retval) : "d" (nr^7), "a" (addr));
return retval;
}
#endif /* __mc68000__ */
#if !defined(_EXT2_HAVE_ASM_SWAB_) && defined(EXT2FS_ENABLE_SWAPFS)
_INLINE_ __u16 ext2fs_swab16(__u16 val)
{
return (val >> 8) | (val << 8);
}
_INLINE_ __u32 ext2fs_swab32(__u32 val)
{
return ((val>>24) | ((val>>8)&0xFF00) |
((val<<8)&0xFF0000) | (val<<24));
}
#endif /* !_EXT2_HAVE_ASM_SWAB */
#if !defined(_EXT2_HAVE_ASM_FINDBIT_)
_INLINE_ int ext2fs_find_first_bit_set(void * addr, unsigned size)
{
unsigned char *cp = (unsigned char *) addr;
int res = 0, d0;
if (!size)
return 0;
while ((size > res) && (*cp == 0)) {
cp++;
res += 8;
}
d0 = ffs(*cp);
if (d0 == 0)
return size;
return res + d0 - 1;
}
_INLINE_ int ext2fs_find_next_bit_set (void * addr, int size, int offset)
{
unsigned char * p;
int set = 0, bit = offset & 7, res = 0, d0;
res = offset >> 3;
p = ((unsigned char *) addr) + res;
if (bit) {
set = ffs(*p & ~((1 << bit) - 1));
if (set)
return (offset & ~7) + set - 1;
p++;
res += 8;
}
while ((size > res) && (*p == 0)) {
p++;
res += 8;
}
d0 = ffs(*p);
if (d0 == 0)
return size;
return (res + d0 - 1);
}
#endif
_INLINE_ int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
blk_t bitno);
_INLINE_ 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);
}
_INLINE_ int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap)
bitmap,
block);
}
_INLINE_ int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
block);
}
_INLINE_ int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
block);
}
_INLINE_ int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
inode);
}
_INLINE_ int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
inode);
}
_INLINE_ int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
inode);
}
_INLINE_ void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
bitmap->description);
return;
}
#endif
ext2fs_set_bit(block - bitmap->start, bitmap->bitmap);
}
_INLINE_ void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK,
block, bitmap->description);
return;
}
#endif
ext2fs_clear_bit(block - bitmap->start, bitmap->bitmap);
}
_INLINE_ int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
block, bitmap->description);
return 0;
}
#endif
return ext2fs_test_bit(block - bitmap->start, bitmap->bitmap);
}
_INLINE_ void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((inode < bitmap->start) || (inode > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_MARK,
inode, bitmap->description);
return;
}
#endif
ext2fs_set_bit(inode - bitmap->start, bitmap->bitmap);
}
_INLINE_ void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((inode < bitmap->start) || (inode > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_UNMARK,
inode, bitmap->description);
return;
}
#endif
ext2fs_clear_bit(inode - bitmap->start, bitmap->bitmap);
}
_INLINE_ int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((inode < bitmap->start) || (inode > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_TEST,
inode, bitmap->description);
return 0;
}
#endif
return ext2fs_test_bit(inode - bitmap->start, bitmap->bitmap);
}
_INLINE_ blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap)
{
return bitmap->start;
}
_INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)
{
return bitmap->start;
}
_INLINE_ blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap)
{
return bitmap->end;
}
_INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)
{
return bitmap->end;
}
_INLINE_ 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;
}
_INLINE_ int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
blk_t block, int num)
{
int i;
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
block, bitmap->description);
return 0;
}
#endif
for (i=0; i < num; i++) {
if (ext2fs_fast_test_block_bitmap(bitmap, block+i))
return 0;
}
return 1;
}
_INLINE_ 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);
}
_INLINE_ void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
blk_t block, int num)
{
int i;
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
bitmap->description);
return;
}
#endif
for (i=0; i < num; i++)
ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap);
}
_INLINE_ 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);
}
_INLINE_ void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
blk_t block, int num)
{
int i;
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
bitmap->description);
return;
}
#endif
for (i=0; i < num; i++)
ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
}
#undef _INLINE_
#endif

View File

@ -962,172 +962,6 @@ extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
struct ext2_inode *inode); struct ext2_inode *inode);
/*
* The actual inlined functions definitions themselves...
*
* If NO_INLINE_FUNCS is defined, then we won't try to do inline
* functions at all!
*/
#if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
#ifdef INCLUDE_INLINE_FUNCS
#define _INLINE_ extern
#else
#ifdef __GNUC__
#define _INLINE_ extern __inline__
#else /* For Watcom C */
#define _INLINE_ extern inline
#endif
#endif
#ifndef EXT2_CUSTOM_MEMORY_ROUTINES
/*
* Allocate memory
*/
_INLINE_ 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
*/
_INLINE_ errcode_t ext2fs_free_mem(void *ptr)
{
void **pp = (void **)ptr;
free(*pp);
*pp = 0;
return 0;
}
/*
* Resize memory
*/
_INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size,
unsigned long size, void *ptr)
{
void *p;
void **pp = (void **)ptr;
p = realloc(*pp, size);
if (!p)
return EXT2_ET_NO_MEMORY;
*pp = p;
return 0;
}
#endif /* Custom memory routines */
/*
* Mark a filesystem superblock as dirty
*/
_INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs)
{
fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED;
}
/*
* Mark a filesystem as changed
*/
_INLINE_ void ext2fs_mark_changed(ext2_filsys fs)
{
fs->flags |= EXT2_FLAG_CHANGED;
}
/*
* Check to see if a filesystem has changed
*/
_INLINE_ int ext2fs_test_changed(ext2_filsys fs)
{
return (fs->flags & EXT2_FLAG_CHANGED);
}
/*
* Mark a filesystem as valid
*/
_INLINE_ void ext2fs_mark_valid(ext2_filsys fs)
{
fs->flags |= EXT2_FLAG_VALID;
}
/*
* Mark a filesystem as NOT valid
*/
_INLINE_ void ext2fs_unmark_valid(ext2_filsys fs)
{
fs->flags &= ~EXT2_FLAG_VALID;
}
/*
* Check to see if a filesystem is valid
*/
_INLINE_ int ext2fs_test_valid(ext2_filsys fs)
{
return (fs->flags & EXT2_FLAG_VALID);
}
/*
* Mark the inode bitmap as dirty
*/
_INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs)
{
fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED;
}
/*
* Mark the block bitmap as dirty
*/
_INLINE_ 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
*/
_INLINE_ 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
*/
_INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs)
{
return (fs->flags & EXT2_FLAG_BB_DIRTY);
}
/*
* Return the group # of a block
*/
_INLINE_ 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
*/
_INLINE_ int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino)
{
return (ino - 1) / fs->super->s_inodes_per_group;
}
_INLINE_ 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);
}
#undef _INLINE_
#endif
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

View File

@ -0,0 +1,472 @@
/*
* 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/ext2fs.h"
#include "ext2fs/bitops.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;
void **pp = (void **)ptr;
p = realloc(*pp, size);
if (!p)
return EXT2_ET_NO_MEMORY;
*pp = 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_find_first_bit_set(void * addr, unsigned size)
{
char *cp = (unsigned char *) addr;
int res = 0, d0;
if (!size)
return 0;
while ((size > res) && (*cp == 0)) {
cp++;
res += 8;
}
d0 = ffs(*cp);
if (d0 == 0)
return size;
return res + d0 - 1;
}
int ext2fs_find_next_bit_set (void * addr, int size, int offset)
{
unsigned char * p;
int set = 0, bit = offset & 7, res = 0, d0;
res = offset >> 3;
p = ((unsigned char *) addr) + res;
if (bit) {
set = ffs(*p & ~((1 << bit) - 1));
if (set)
return (offset & ~7) + set - 1;
p++;
res += 8;
}
while ((size > res) && (*p == 0)) {
p++;
res += 8;
}
d0 = ffs(*p);
if (d0 == 0)
return size;
return (res + d0 - 1);
}
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)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
bitmap->description);
return;
}
#endif
ext2fs_set_bit(block - bitmap->start, bitmap->bitmap);
}
void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK,
block, bitmap->description);
return;
}
#endif
ext2fs_clear_bit(block - bitmap->start, bitmap->bitmap);
}
int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
blk_t block)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
block, bitmap->description);
return 0;
}
#endif
return ext2fs_test_bit(block - bitmap->start, bitmap->bitmap);
}
void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((inode < bitmap->start) || (inode > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_MARK,
inode, bitmap->description);
return;
}
#endif
ext2fs_set_bit(inode - bitmap->start, bitmap->bitmap);
}
void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((inode < bitmap->start) || (inode > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_UNMARK,
inode, bitmap->description);
return;
}
#endif
ext2fs_clear_bit(inode - bitmap->start, bitmap->bitmap);
}
int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
ext2_ino_t inode)
{
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((inode < bitmap->start) || (inode > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_INODE_TEST,
inode, bitmap->description);
return 0;
}
#endif
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;
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST,
block, bitmap->description);
return 0;
}
#endif
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;
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block,
bitmap->description);
return;
}
#endif
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;
#ifdef EXT2FS_DEBUG_FAST_OPS
if ((block < bitmap->start) || (block+num-1 > bitmap->end)) {
ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block,
bitmap->description);
return;
}
#endif
for (i=0; i < num; i++)
ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap);
}