remove e2fsprogs. Nobody volunteered to clean up that mess

1 files changed, 0 insertions, 330 deletions

diff --git a/e2fsprogs/ext2fs/openfs.c b/e2fsprogs/ext2fs/openfs.c
deleted file mode 100644
index 716be06..0000000
--- a/e2fsprogs/ext2fs/openfs.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * openfs.c --- open an ext2 filesystem
- *
- * 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 <fcntl.h>
-#include <time.h>
-#if HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#include "ext2_fs.h"
-
-
-#include "ext2fs.h"
-#include "e2image.h"
-
-blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, dgrp_t i)
-{
-	int	bg;
-	int	has_super = 0;
-	int	ret_blk;
-
-	if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) ||
-	    (i < fs->super->s_first_meta_bg))
-		return (group_block + i + 1);
-
-	bg = (fs->blocksize / sizeof (struct ext2_group_desc)) * i;
-	if (ext2fs_bg_has_super(fs, bg))
-		has_super = 1;
-	ret_blk = (fs->super->s_first_data_block + has_super +
-		   (bg * fs->super->s_blocks_per_group));
-	/*
-	 * If group_block is not the normal value, we're trying to use
-	 * the backup group descriptors and superblock --- so use the
-	 * alternate location of the second block group in the
-	 * metablock group.  Ideally we should be testing each bg
-	 * descriptor block individually for correctness, but we don't
-	 * have the infrastructure in place to do that.
-	 */
-	if (group_block != fs->super->s_first_data_block &&
-	    ((ret_blk + fs->super->s_blocks_per_group) <
-	     fs->super->s_blocks_count))
-		ret_blk += fs->super->s_blocks_per_group;
-	return ret_blk;
-}
-
-errcode_t ext2fs_open(const char *name, int flags, int superblock,
-		      unsigned int block_size, io_manager manager,
-		      ext2_filsys *ret_fs)
-{
-	return ext2fs_open2(name, 0, flags, superblock, block_size,
-			    manager, ret_fs);
-}
-
-/*
- *  Note: if superblock is non-zero, block-size must also be non-zero.
- *	Superblock and block_size can be zero to use the default size.
- *
- * Valid flags for ext2fs_open()
- *
- *	EXT2_FLAG_RW	- Open the filesystem for read/write.
- *	EXT2_FLAG_FORCE - Open the filesystem even if some of the
- *				features aren't supported.
- *	EXT2_FLAG_JOURNAL_DEV_OK - Open an ext3 journal device
- */
-errcode_t ext2fs_open2(const char *name, const char *io_options,
-		       int flags, int superblock,
-		       unsigned int block_size, io_manager manager,
-		       ext2_filsys *ret_fs)
-{
-	ext2_filsys	fs;
-	errcode_t	retval;
-	unsigned long	i;
-	int		groups_per_block, blocks_per_group;
-	blk_t		group_block, blk;
-	char		*dest, *cp;
-#if BB_BIG_ENDIAN
-	int j;
-	struct ext2_group_desc *gdp;
-#endif
-
-	EXT2_CHECK_MAGIC(manager, EXT2_ET_MAGIC_IO_MANAGER);
-
-	retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs);
-	if (retval)
-		return retval;
-
-	memset(fs, 0, sizeof(struct struct_ext2_filsys));
-	fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS;
-	fs->flags = flags;
-	fs->umask = 022;
-	retval = ext2fs_get_mem(strlen(name)+1, &fs->device_name);
-	if (retval)
-		goto cleanup;
-	strcpy(fs->device_name, name);
-	cp = strchr(fs->device_name, '?');
-	if (!io_options && cp) {
-		*cp++ = 0;
-		io_options = cp;
-	}
-
-	retval = manager->open(fs->device_name,
-			       (flags & EXT2_FLAG_RW) ? IO_FLAG_RW : 0,
-			       &fs->io);
-	if (retval)
-		goto cleanup;
-	if (io_options &&
-	    (retval = io_channel_set_options(fs->io, io_options)))
-		goto cleanup;
-	fs->image_io = fs->io;
-	fs->io->app_data = fs;
-	retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->super);
-	if (retval)
-		goto cleanup;
-	if (flags & EXT2_FLAG_IMAGE_FILE) {
-		retval = ext2fs_get_mem(sizeof(struct ext2_image_hdr),
-					&fs->image_header);
-		if (retval)
-			goto cleanup;
-		retval = io_channel_read_blk(fs->io, 0,
-					     -(int)sizeof(struct ext2_image_hdr),
-					     fs->image_header);
-		if (retval)
-			goto cleanup;
-		if (fs->image_header->magic_number != EXT2_ET_MAGIC_E2IMAGE)
-			return EXT2_ET_MAGIC_E2IMAGE;
-		superblock = 1;
-		block_size = fs->image_header->fs_blocksize;
-	}
-
-	/*
-	 * If the user specifies a specific block # for the
-	 * superblock, then he/she must also specify the block size!
-	 * Otherwise, read the master superblock located at offset
-	 * SUPERBLOCK_OFFSET from the start of the partition.
-	 *
-	 * Note: we only save a backup copy of the superblock if we
-	 * are reading the superblock from the primary superblock location.
-	 */
-	if (superblock) {
-		if (!block_size) {
-			retval = EXT2_ET_INVALID_ARGUMENT;
-			goto cleanup;
-		}
-		io_channel_set_blksize(fs->io, block_size);
-		group_block = superblock;
-		fs->orig_super = 0;
-	} else {
-		io_channel_set_blksize(fs->io, SUPERBLOCK_OFFSET);
-		superblock = 1;
-		group_block = 0;
-		retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->orig_super);
-		if (retval)
-			goto cleanup;
-	}
-	retval = io_channel_read_blk(fs->io, superblock, -SUPERBLOCK_SIZE,
-				     fs->super);
-	if (retval)
-		goto cleanup;
-	if (fs->orig_super)
-		memcpy(fs->orig_super, fs->super, SUPERBLOCK_SIZE);
-
-#if BB_BIG_ENDIAN
-	if ((fs->super->s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC)) ||
-	    (fs->flags & EXT2_FLAG_SWAP_BYTES)) {
-		fs->flags |= EXT2_FLAG_SWAP_BYTES;
-
-		ext2fs_swap_super(fs->super);
-	}
-#endif
-
-	if (fs->super->s_magic != EXT2_SUPER_MAGIC) {
-		retval = EXT2_ET_BAD_MAGIC;
-		goto cleanup;
-	}
-	if (fs->super->s_rev_level > EXT2_LIB_CURRENT_REV) {
-		retval = EXT2_ET_REV_TOO_HIGH;
-		goto cleanup;
-	}
-
-	/*
-	 * Check for feature set incompatibility
-	 */
-	if (!(flags & EXT2_FLAG_FORCE)) {
-		if (fs->super->s_feature_incompat &
-		    ~EXT2_LIB_FEATURE_INCOMPAT_SUPP) {
-			retval = EXT2_ET_UNSUPP_FEATURE;
-			goto cleanup;
-		}
-		if ((flags & EXT2_FLAG_RW) &&
-		    (fs->super->s_feature_ro_compat &
-		     ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP)) {
-			retval = EXT2_ET_RO_UNSUPP_FEATURE;
-			goto cleanup;
-		}
-		if (!(flags & EXT2_FLAG_JOURNAL_DEV_OK) &&
-		    (fs->super->s_feature_incompat &
-		     EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) {
-			retval = EXT2_ET_UNSUPP_FEATURE;
-			goto cleanup;
-		}
-	}
-
-	fs->blocksize = EXT2_BLOCK_SIZE(fs->super);
-	if (fs->blocksize == 0) {
-		retval = EXT2_ET_CORRUPT_SUPERBLOCK;
-		goto cleanup;
-	}
-	fs->fragsize = EXT2_FRAG_SIZE(fs->super);
-	fs->inode_blocks_per_group = ((fs->super->s_inodes_per_group *
-				       EXT2_INODE_SIZE(fs->super) +
-				       EXT2_BLOCK_SIZE(fs->super) - 1) /
-				      EXT2_BLOCK_SIZE(fs->super));
-	if (block_size) {
-		if (block_size != fs->blocksize) {
-			retval = EXT2_ET_UNEXPECTED_BLOCK_SIZE;
-			goto cleanup;
-		}
-	}
-	/*
-	 * Set the blocksize to the filesystem's blocksize.
-	 */
-	io_channel_set_blksize(fs->io, fs->blocksize);
-
-	/*
-	 * If this is an external journal device, don't try to read
-	 * the group descriptors, because they're not there.
-	 */
-	if (fs->super->s_feature_incompat &
-	    EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
-		fs->group_desc_count = 0;
-		*ret_fs = fs;
-		return 0;
-	}
-
-	/*
-	 * Read group descriptors
-	 */
-	blocks_per_group = EXT2_BLOCKS_PER_GROUP(fs->super);
-	if (blocks_per_group == 0 ||
-	    blocks_per_group > EXT2_MAX_BLOCKS_PER_GROUP(fs->super) ||
-	    fs->inode_blocks_per_group > EXT2_MAX_INODES_PER_GROUP(fs->super)) {
-		retval = EXT2_ET_CORRUPT_SUPERBLOCK;
-		goto cleanup;
-	}
-	fs->group_desc_count = (fs->super->s_blocks_count -
-				fs->super->s_first_data_block +
-				blocks_per_group - 1) / blocks_per_group;
-	fs->desc_blocks = (fs->group_desc_count +
-			   EXT2_DESC_PER_BLOCK(fs->super) - 1)
-		/ EXT2_DESC_PER_BLOCK(fs->super);
-	retval = ext2fs_get_mem(fs->desc_blocks * fs->blocksize,
-				&fs->group_desc);
-	if (retval)
-		goto cleanup;
-	if (!group_block)
-		group_block = fs->super->s_first_data_block;
-	dest = (char *) fs->group_desc;
-	groups_per_block = fs->blocksize / sizeof(struct ext2_group_desc);
-	for (i=0 ; i < fs->desc_blocks; i++) {
-		blk = ext2fs_descriptor_block_loc(fs, group_block, i);
-		retval = io_channel_read_blk(fs->io, blk, 1, dest);
-		if (retval)
-			goto cleanup;
-#if BB_BIG_ENDIAN
-		if (fs->flags & EXT2_FLAG_SWAP_BYTES) {
-			gdp = (struct ext2_group_desc *) dest;
-			for (j=0; j < groups_per_block; j++)
-				ext2fs_swap_group_desc(gdp++);
-		}
-#endif
-		dest += fs->blocksize;
-	}
-
-	*ret_fs = fs;
-	return 0;
-cleanup:
-	ext2fs_free(fs);
-	return retval;
-}
-
-/*
- * Set/get the filesystem data I/O channel.
- *
- * These functions are only valid if EXT2_FLAG_IMAGE_FILE is true.
- */
-errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io)
-{
-	if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0)
-		return EXT2_ET_NOT_IMAGE_FILE;
-	if (old_io) {
-		*old_io = (fs->image_io == fs->io) ? 0 : fs->io;
-	}
-	return 0;
-}
-
-errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io)
-{
-	if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0)
-		return EXT2_ET_NOT_IMAGE_FILE;
-	fs->io = new_io ? new_io : fs->image_io;
-	return 0;
-}
-
-errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io)
-{
-	if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0)
-		return EXT2_ET_NOT_IMAGE_FILE;
-	fs->io = fs->image_io = new_io;
-	fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_RW |
-		EXT2_FLAG_BB_DIRTY | EXT2_FLAG_IB_DIRTY;
-	fs->flags &= ~EXT2_FLAG_IMAGE_FILE;
-	return 0;
-}