C++ (Cpp) EXT2_EXT_ATTR_NEXTの例

コード例 #1

ファイル: ext_attr.c プロジェクト: DentonGentry/gfiber-gfrg100

void ext2fs_swap_ext_attr(ext2_filsys fs, char *to, char *from)
{
	struct ext2_ext_attr_header *from_header =
		(struct ext2_ext_attr_header *)from;
	struct ext2_ext_attr_header *to_header =
		(struct ext2_ext_attr_header *)to;
	struct ext2_ext_attr_entry *from_entry, *to_entry;
	char *from_end = (char *)from_header + fs->blocksize;
	int n;

	if (to_header != from_header)
		memcpy(to_header, from_header, fs->blocksize);

	to_header->h_magic    = ext2fs_swab32(from_header->h_magic);
	to_header->h_blocks   = ext2fs_swab32(from_header->h_blocks);
	to_header->h_refcount = ext2fs_swab32(from_header->h_refcount);
	for (n=0; n<4; n++)
		to_header->h_reserved[n] =
			ext2fs_swab32(from_header->h_reserved[n]);
	
	from_entry = (struct ext2_ext_attr_entry *)(from_header+1);
	to_entry   = (struct ext2_ext_attr_entry *)(to_header+1);
	while ((char *)from_entry < from_end && *(__u32 *)from_entry) {
		to_entry->e_value_offs  =	
			ext2fs_swab16(from_entry->e_value_offs);
		to_entry->e_value_block =	
			ext2fs_swab32(from_entry->e_value_block);
		to_entry->e_value_size  =	
			ext2fs_swab32(from_entry->e_value_size);
		from_entry = EXT2_EXT_ATTR_NEXT(from_entry);
		to_entry   = EXT2_EXT_ATTR_NEXT(to_entry);
	}
}

コード例 #2

ファイル: swapfs.c プロジェクト: qtekfun/htcDesire820Kernel

void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, int has_header)
{
	struct ext2_ext_attr_header *from_header =
		(struct ext2_ext_attr_header *)from;
	struct ext2_ext_attr_header *to_header =
		(struct ext2_ext_attr_header *)to;
	struct ext2_ext_attr_entry *from_entry, *to_entry;
	char *from_end = (char *)from_header + bufsize;

	if (to_header != from_header)
		memcpy(to_header, from_header, bufsize);

	if (has_header) {
		ext2fs_swap_ext_attr_header(to_header, from_header);

		from_entry = (struct ext2_ext_attr_entry *)(from_header+1);
		to_entry   = (struct ext2_ext_attr_entry *)(to_header+1);
	} else {
		from_entry = (struct ext2_ext_attr_entry *)from_header;
		to_entry   = (struct ext2_ext_attr_entry *)to_header;
	}

	while ((char *)from_entry < from_end && *(__u32 *)from_entry) {
		ext2fs_swap_ext_attr_entry(to_entry, from_entry);
		from_entry = EXT2_EXT_ATTR_NEXT(from_entry);
		to_entry   = EXT2_EXT_ATTR_NEXT(to_entry);
	}
}