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 \
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_OBJS := $(patsubst %.c,%.o, $(EXT2FS_SRCS))
E2FSPROGS-:=
E2FSPROGS-$(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_LSATTR) += lsattr.o $(E2P_OBJS)
E2FSPROGS-$(CONFIG_MKE2FS) += mke2fs.o util.o $(E2P_OBJS) $(BLKID_OBJS) $(EXT2FS_OBJS) $(UUID_OBJS)
node->key = key;
+#ifndef NDEBUG
assert (!dict_isfull(dict));
assert (!dict_contains(dict, node));
assert (!dnode_is_in_a_dict(node));
+#endif
/* basic binary tree insert */
dict_root(dict)->color = dnode_black;
+#ifdef E2FSCK_NOTUSED
assert (dict_verify(dict));
+#endif
}
#ifdef E2FSCK_NOTUSED
dict_root(dict)->color = dnode_black;
}
+#ifdef E2FSCK_NOTUSED
assert (dict_verify(dict));
+#endif
return delete;
}
void dnode_destroy(dnode_t *dnode)
{
+#ifndef NDEBUG
assert (!dnode_is_in_a_dict(dnode));
+#endif
free(dnode);
}
dict_t *dict = load->dictptr;
dnode_t *nil = &load->nilnode;
+#ifndef NDEBUG
assert (!dnode_is_in_a_dict(newnode));
assert (dict->nodecount < dict->maxcount);
-#ifndef NDEBUG
if (dict->nodecount > 0) {
if (dict->dupes)
assert (dict->compare(nil->left->key, key) <= 0);
complete->color = dnode_black;
dict_root(dict) = complete;
+#ifdef E2FSCK_NOTUSED
assert (dict_verify(dict));
+#endif
}
void dict_merge(dict_t *dest, dict_t *source)
__u32 bitno);
extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
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
-
extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
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
}
#endif
--- /dev/null
+/*
+ * 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);
+}
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