put small subset of e2fsprogs back in the tree:

lsattr, chattr, fsck. Old e2fsprogs tree is in
e2fsprogs/old_e2fsprogs/*.

1 files changed, 438 insertions, 0 deletions

diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/block.c b/e2fsprogs/old_e2fsprogs/ext2fs/block.c
new file mode 100644
index 0000000..0a757b2
--- /dev/null
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/block.c
@@ -0,0 +1,438 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * block.c --- iterate over all blocks in an inode
+ *
+ * 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 <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "ext2_fs.h"
+#include "ext2fs.h"
+
+struct block_context {
+	ext2_filsys	fs;
+	int (*func)(ext2_filsys	fs,
+		    blk_t	*blocknr,
+		    e2_blkcnt_t	bcount,
+		    blk_t	ref_blk,
+		    int		ref_offset,
+		    void	*priv_data);
+	e2_blkcnt_t	bcount;
+	int		bsize;
+	int		flags;
+	errcode_t	errcode;
+	char	*ind_buf;
+	char	*dind_buf;
+	char	*tind_buf;
+	void	*priv_data;
+};
+
+static int block_iterate_ind(blk_t *ind_block, blk_t ref_block,
+			     int ref_offset, struct block_context *ctx)
+{
+	int	ret = 0, changed = 0;
+	int	i, flags, limit, offset;
+	blk_t	*block_nr;
+
+	limit = ctx->fs->blocksize >> 2;
+	if (!(ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
+	    !(ctx->flags & BLOCK_FLAG_DATA_ONLY))
+		ret = (*ctx->func)(ctx->fs, ind_block,
+				   BLOCK_COUNT_IND, ref_block,
+				   ref_offset, ctx->priv_data);
+	if (!*ind_block || (ret & BLOCK_ABORT)) {
+		ctx->bcount += limit;
+		return ret;
+	}
+	if (*ind_block >= ctx->fs->super->s_blocks_count ||
+	    *ind_block < ctx->fs->super->s_first_data_block) {
+		ctx->errcode = EXT2_ET_BAD_IND_BLOCK;
+		ret |= BLOCK_ERROR;
+		return ret;
+	}
+	ctx->errcode = ext2fs_read_ind_block(ctx->fs, *ind_block,
+					     ctx->ind_buf);
+	if (ctx->errcode) {
+		ret |= BLOCK_ERROR;
+		return ret;
+	}
+
+	block_nr = (blk_t *) ctx->ind_buf;
+	offset = 0;
+	if (ctx->flags & BLOCK_FLAG_APPEND) {
+		for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) {
+			flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount,
+					     *ind_block, offset,
+					     ctx->priv_data);
+			changed	|= flags;
+			if (flags & BLOCK_ABORT) {
+				ret |= BLOCK_ABORT;
+				break;
+			}
+			offset += sizeof(blk_t);
+		}
+	} else {
+		for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) {
+			if (*block_nr == 0)
+				continue;
+			flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount,
+					     *ind_block, offset,
+					     ctx->priv_data);
+			changed	|= flags;
+			if (flags & BLOCK_ABORT) {
+				ret |= BLOCK_ABORT;
+				break;
+			}
+			offset += sizeof(blk_t);
+		}
+	}
+	if (changed & BLOCK_CHANGED) {
+		ctx->errcode = ext2fs_write_ind_block(ctx->fs, *ind_block,
+						      ctx->ind_buf);
+		if (ctx->errcode)
+			ret |= BLOCK_ERROR | BLOCK_ABORT;
+	}
+	if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
+	    !(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
+	    !(ret & BLOCK_ABORT))
+		ret |= (*ctx->func)(ctx->fs, ind_block,
+				    BLOCK_COUNT_IND, ref_block,
+				    ref_offset, ctx->priv_data);
+	return ret;
+}
+
+static int block_iterate_dind(blk_t *dind_block, blk_t ref_block,
+			      int ref_offset, struct block_context *ctx)
+{
+	int	ret = 0, changed = 0;
+	int	i, flags, limit, offset;
+	blk_t	*block_nr;
+
+	limit = ctx->fs->blocksize >> 2;
+	if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE |
+			    BLOCK_FLAG_DATA_ONLY)))
+		ret = (*ctx->func)(ctx->fs, dind_block,
+				   BLOCK_COUNT_DIND, ref_block,
+				   ref_offset, ctx->priv_data);
+	if (!*dind_block || (ret & BLOCK_ABORT)) {
+		ctx->bcount += limit*limit;
+		return ret;
+	}
+	if (*dind_block >= ctx->fs->super->s_blocks_count ||
+	    *dind_block < ctx->fs->super->s_first_data_block) {
+		ctx->errcode = EXT2_ET_BAD_DIND_BLOCK;
+		ret |= BLOCK_ERROR;
+		return ret;
+	}
+	ctx->errcode = ext2fs_read_ind_block(ctx->fs, *dind_block,
+					     ctx->dind_buf);
+	if (ctx->errcode) {
+		ret |= BLOCK_ERROR;
+		return ret;
+	}
+
+	block_nr = (blk_t *) ctx->dind_buf;
+	offset = 0;
+	if (ctx->flags & BLOCK_FLAG_APPEND) {
+		for (i = 0; i < limit; i++, block_nr++) {
+			flags = block_iterate_ind(block_nr,
+						  *dind_block, offset,
+						  ctx);
+			changed |= flags;
+			if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
+				ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
+				break;
+			}
+			offset += sizeof(blk_t);
+		}
+	} else {
+		for (i = 0; i < limit; i++, block_nr++) {
+			if (*block_nr == 0) {
+				ctx->bcount += limit;
+				continue;
+			}
+			flags = block_iterate_ind(block_nr,
+						  *dind_block, offset,
+						  ctx);
+			changed |= flags;
+			if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
+				ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
+				break;
+			}
+			offset += sizeof(blk_t);
+		}
+	}
+	if (changed & BLOCK_CHANGED) {
+		ctx->errcode = ext2fs_write_ind_block(ctx->fs, *dind_block,
+						      ctx->dind_buf);
+		if (ctx->errcode)
+			ret |= BLOCK_ERROR | BLOCK_ABORT;
+	}
+	if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
+	    !(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
+	    !(ret & BLOCK_ABORT))
+		ret |= (*ctx->func)(ctx->fs, dind_block,
+				    BLOCK_COUNT_DIND, ref_block,
+				    ref_offset, ctx->priv_data);
+	return ret;
+}
+
+static int block_iterate_tind(blk_t *tind_block, blk_t ref_block,
+			      int ref_offset, struct block_context *ctx)
+{
+	int	ret = 0, changed = 0;
+	int	i, flags, limit, offset;
+	blk_t	*block_nr;
+
+	limit = ctx->fs->blocksize >> 2;
+	if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE |
+			    BLOCK_FLAG_DATA_ONLY)))
+		ret = (*ctx->func)(ctx->fs, tind_block,
+				   BLOCK_COUNT_TIND, ref_block,
+				   ref_offset, ctx->priv_data);
+	if (!*tind_block || (ret & BLOCK_ABORT)) {
+		ctx->bcount += limit*limit*limit;
+		return ret;
+	}
+	if (*tind_block >= ctx->fs->super->s_blocks_count ||
+	    *tind_block < ctx->fs->super->s_first_data_block) {
+		ctx->errcode = EXT2_ET_BAD_TIND_BLOCK;
+		ret |= BLOCK_ERROR;
+		return ret;
+	}
+	ctx->errcode = ext2fs_read_ind_block(ctx->fs, *tind_block,
+					     ctx->tind_buf);
+	if (ctx->errcode) {
+		ret |= BLOCK_ERROR;
+		return ret;
+	}
+
+	block_nr = (blk_t *) ctx->tind_buf;
+	offset = 0;
+	if (ctx->flags & BLOCK_FLAG_APPEND) {
+		for (i = 0; i < limit; i++, block_nr++) {
+			flags = block_iterate_dind(block_nr,
+						   *tind_block,
+						   offset, ctx);
+			changed |= flags;
+			if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
+				ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
+				break;
+			}
+			offset += sizeof(blk_t);
+		}
+	} else {
+		for (i = 0; i < limit; i++, block_nr++) {
+			if (*block_nr == 0) {
+				ctx->bcount += limit*limit;
+				continue;
+			}
+			flags = block_iterate_dind(block_nr,
+						   *tind_block,
+						   offset, ctx);
+			changed |= flags;
+			if (flags & (BLOCK_ABORT | BLOCK_ERROR)) {
+				ret |= flags & (BLOCK_ABORT | BLOCK_ERROR);
+				break;
+			}
+			offset += sizeof(blk_t);
+		}
+	}
+	if (changed & BLOCK_CHANGED) {
+		ctx->errcode = ext2fs_write_ind_block(ctx->fs, *tind_block,
+						      ctx->tind_buf);
+		if (ctx->errcode)
+			ret |= BLOCK_ERROR | BLOCK_ABORT;
+	}
+	if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) &&
+	    !(ctx->flags & BLOCK_FLAG_DATA_ONLY) &&
+	    !(ret & BLOCK_ABORT))
+		ret |= (*ctx->func)(ctx->fs, tind_block,
+				    BLOCK_COUNT_TIND, ref_block,
+				    ref_offset, ctx->priv_data);
+
+	return ret;
+}
+
+errcode_t ext2fs_block_iterate2(ext2_filsys fs,
+				ext2_ino_t ino,
+				int	flags,
+				char *block_buf,
+				int (*func)(ext2_filsys fs,
+					    blk_t	*blocknr,
+					    e2_blkcnt_t	blockcnt,
+					    blk_t	ref_blk,
+					    int		ref_offset,
+					    void	*priv_data),
+				void *priv_data)
+{
+	int	i;
+	int	got_inode = 0;
+	int	ret = 0;
+	blk_t	blocks[EXT2_N_BLOCKS];	/* directory data blocks */
+	struct ext2_inode inode;
+	errcode_t	retval;
+	struct block_context ctx;
+	int	limit;
+
+	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
+
+	/*
+	 * Check to see if we need to limit large files
+	 */
+	if (flags & BLOCK_FLAG_NO_LARGE) {
+		ctx.errcode = ext2fs_read_inode(fs, ino, &inode);
+		if (ctx.errcode)
+			return ctx.errcode;
+		got_inode = 1;
+		if (!LINUX_S_ISDIR(inode.i_mode) &&
+		    (inode.i_size_high != 0))
+			return EXT2_ET_FILE_TOO_BIG;
+	}
+
+	retval = ext2fs_get_blocks(fs, ino, blocks);
+	if (retval)
+		return retval;
+
+	limit = fs->blocksize >> 2;
+
+	ctx.fs = fs;
+	ctx.func = func;
+	ctx.priv_data = priv_data;
+	ctx.flags = flags;
+	ctx.bcount = 0;
+	if (block_buf) {
+		ctx.ind_buf = block_buf;
+	} else {
+		retval = ext2fs_get_mem(fs->blocksize * 3, &ctx.ind_buf);
+		if (retval)
+			return retval;
+	}
+	ctx.dind_buf = ctx.ind_buf + fs->blocksize;
+	ctx.tind_buf = ctx.dind_buf + fs->blocksize;
+
+	/*
+	 * Iterate over the HURD translator block (if present)
+	 */
+	if ((fs->super->s_creator_os == EXT2_OS_HURD) &&
+	    !(flags & BLOCK_FLAG_DATA_ONLY)) {
+		ctx.errcode = ext2fs_read_inode(fs, ino, &inode);
+		if (ctx.errcode)
+			goto abort_exit;
+		got_inode = 1;
+		if (inode.osd1.hurd1.h_i_translator) {
+			ret |= (*ctx.func)(fs,
+					   &inode.osd1.hurd1.h_i_translator,
+					   BLOCK_COUNT_TRANSLATOR,
+					   0, 0, priv_data);
+			if (ret & BLOCK_ABORT)
+				goto abort_exit;
+		}
+	}
+
+	/*
+	 * Iterate over normal data blocks
+	 */
+	for (i = 0; i < EXT2_NDIR_BLOCKS ; i++, ctx.bcount++) {
+		if (blocks[i] || (flags & BLOCK_FLAG_APPEND)) {
+			ret |= (*ctx.func)(fs, &blocks[i],
+					    ctx.bcount, 0, i, priv_data);
+			if (ret & BLOCK_ABORT)
+				goto abort_exit;
+		}
+	}
+	if (*(blocks + EXT2_IND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
+		ret |= block_iterate_ind(blocks + EXT2_IND_BLOCK,
+					 0, EXT2_IND_BLOCK, &ctx);
+		if (ret & BLOCK_ABORT)
+			goto abort_exit;
+	} else
+		ctx.bcount += limit;
+	if (*(blocks + EXT2_DIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
+		ret |= block_iterate_dind(blocks + EXT2_DIND_BLOCK,
+					  0, EXT2_DIND_BLOCK, &ctx);
+		if (ret & BLOCK_ABORT)
+			goto abort_exit;
+	} else
+		ctx.bcount += limit * limit;
+	if (*(blocks + EXT2_TIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) {
+		ret |= block_iterate_tind(blocks + EXT2_TIND_BLOCK,
+					  0, EXT2_TIND_BLOCK, &ctx);
+		if (ret & BLOCK_ABORT)
+			goto abort_exit;
+	}
+
+abort_exit:
+	if (ret & BLOCK_CHANGED) {
+		if (!got_inode) {
+			retval = ext2fs_read_inode(fs, ino, &inode);
+			if (retval)
+				return retval;
+		}
+		for (i=0; i < EXT2_N_BLOCKS; i++)
+			inode.i_block[i] = blocks[i];
+		retval = ext2fs_write_inode(fs, ino, &inode);
+		if (retval)
+			return retval;
+	}
+
+	if (!block_buf)
+		ext2fs_free_mem(&ctx.ind_buf);
+
+	return (ret & BLOCK_ERROR) ? ctx.errcode : 0;
+}
+
+/*
+ * Emulate the old ext2fs_block_iterate function!
+ */
+
+struct xlate {
+	int (*func)(ext2_filsys	fs,
+		    blk_t	*blocknr,
+		    int		bcount,
+		    void	*priv_data);
+	void *real_private;
+};
+
+#ifdef __TURBOC__
+# pragma argsused
+#endif
+static int xlate_func(ext2_filsys fs, blk_t *blocknr, e2_blkcnt_t blockcnt,
+		      blk_t ref_block EXT2FS_ATTR((unused)),
+		      int ref_offset EXT2FS_ATTR((unused)),
+		      void *priv_data)
+{
+	struct xlate *xl = (struct xlate *) priv_data;
+
+	return (*xl->func)(fs, blocknr, (int) blockcnt, xl->real_private);
+}
+
+errcode_t ext2fs_block_iterate(ext2_filsys fs,
+			       ext2_ino_t ino,
+			       int	flags,
+			       char *block_buf,
+			       int (*func)(ext2_filsys fs,
+					   blk_t	*blocknr,
+					   int	blockcnt,
+					   void	*priv_data),
+			       void *priv_data)
+{
+	struct xlate xl;
+
+	xl.real_private = priv_data;
+	xl.func = func;
+
+	return ext2fs_block_iterate2(fs, ino, BLOCK_FLAG_NO_LARGE | flags,
+				     block_buf, xlate_func, &xl);
+}
+