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authorDenis Vlasenko2006-12-26 01:25:48 +0000
committerDenis Vlasenko2006-12-26 01:25:48 +0000
commit64c54025842f205ad722675105b88044a5b6845a (patch)
tree9b5361a46d9174b8c4c12947b006acbca33dc24c /e2fsprogs/ext2fs/dirblock.c
parentd63c3a032ade4d7a1953031d787eed044811b78c (diff)
downloadbusybox-64c54025842f205ad722675105b88044a5b6845a.zip
busybox-64c54025842f205ad722675105b88044a5b6845a.tar.gz
remove e2fsprogs. Nobody volunteered to clean up that mess
Diffstat (limited to 'e2fsprogs/ext2fs/dirblock.c')
-rw-r--r--e2fsprogs/ext2fs/dirblock.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/e2fsprogs/ext2fs/dirblock.c b/e2fsprogs/ext2fs/dirblock.c
deleted file mode 100644
index 5d3f6a1..0000000
--- a/e2fsprogs/ext2fs/dirblock.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * dirblock.c --- directory block routines.
- *
- * Copyright (C) 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>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <string.h>
-#include <time.h>
-
-#include "ext2_fs.h"
-#include "ext2fs.h"
-
-errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block,
- void *buf, int flags EXT2FS_ATTR((unused)))
-{
- errcode_t retval;
- char *p, *end;
- struct ext2_dir_entry *dirent;
- unsigned int name_len, rec_len;
-#if BB_BIG_ENDIAN
- unsigned int do_swap;
-#endif
-
- retval = io_channel_read_blk(fs->io, block, 1, buf);
- if (retval)
- return retval;
-#if BB_BIG_ENDIAN
- do_swap = (fs->flags & (EXT2_FLAG_SWAP_BYTES|
- EXT2_FLAG_SWAP_BYTES_READ)) != 0;
-#endif
- p = (char *) buf;
- end = (char *) buf + fs->blocksize;
- while (p < end-8) {
- dirent = (struct ext2_dir_entry *) p;
-#if BB_BIG_ENDIAN
- if (do_swap) {
- dirent->inode = ext2fs_swab32(dirent->inode);
- dirent->rec_len = ext2fs_swab16(dirent->rec_len);
- dirent->name_len = ext2fs_swab16(dirent->name_len);
- }
-#endif
- name_len = dirent->name_len;
-#ifdef WORDS_BIGENDIAN
- if (flags & EXT2_DIRBLOCK_V2_STRUCT)
- dirent->name_len = ext2fs_swab16(dirent->name_len);
-#endif
- rec_len = dirent->rec_len;
- if ((rec_len < 8) || (rec_len % 4)) {
- rec_len = 8;
- retval = EXT2_ET_DIR_CORRUPTED;
- }
- if (((name_len & 0xFF) + 8) > dirent->rec_len)
- retval = EXT2_ET_DIR_CORRUPTED;
- p += rec_len;
- }
- return retval;
-}
-
-errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block,
- void *buf)
-{
- return ext2fs_read_dir_block2(fs, block, buf, 0);
-}
-
-
-errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block,
- void *inbuf, int flags EXT2FS_ATTR((unused)))
-{
-#if BB_BIG_ENDIAN
- int do_swap = 0;
- errcode_t retval;
- char *p, *end;
- char *buf = 0;
- struct ext2_dir_entry *dirent;
-
- if ((fs->flags & EXT2_FLAG_SWAP_BYTES) ||
- (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))
- do_swap = 1;
-
-#ifndef WORDS_BIGENDIAN
- if (!do_swap)
- return io_channel_write_blk(fs->io, block, 1, (char *) inbuf);
-#endif
-
- retval = ext2fs_get_mem(fs->blocksize, &buf);
- if (retval)
- return retval;
- memcpy(buf, inbuf, fs->blocksize);
- p = buf;
- end = buf + fs->blocksize;
- while (p < end) {
- dirent = (struct ext2_dir_entry *) p;
- if ((dirent->rec_len < 8) ||
- (dirent->rec_len % 4)) {
- ext2fs_free_mem(&buf);
- return EXT2_ET_DIR_CORRUPTED;
- }
- p += dirent->rec_len;
- if (do_swap) {
- dirent->inode = ext2fs_swab32(dirent->inode);
- dirent->rec_len = ext2fs_swab16(dirent->rec_len);
- dirent->name_len = ext2fs_swab16(dirent->name_len);
- }
-#ifdef WORDS_BIGENDIAN
- if (flags & EXT2_DIRBLOCK_V2_STRUCT)
- dirent->name_len = ext2fs_swab16(dirent->name_len);
-#endif
- }
- retval = io_channel_write_blk(fs->io, block, 1, buf);
- ext2fs_free_mem(&buf);
- return retval;
-#else
- return io_channel_write_blk(fs->io, block, 1, (char *) inbuf);
-#endif
-}
-
-
-errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block,
- void *inbuf)
-{
- return ext2fs_write_dir_block2(fs, block, inbuf, 0);
-}
-