summaryrefslogtreecommitdiff
path: root/e2fsprogs/ext2fs/ext_attr.c
diff options
context:
space:
mode:
Diffstat (limited to 'e2fsprogs/ext2fs/ext_attr.c')
-rw-r--r--e2fsprogs/ext2fs/ext_attr.c101
1 files changed, 0 insertions, 101 deletions
diff --git a/e2fsprogs/ext2fs/ext_attr.c b/e2fsprogs/ext2fs/ext_attr.c
deleted file mode 100644
index 7ee41f2..0000000
--- a/e2fsprogs/ext2fs/ext_attr.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * ext_attr.c --- extended attribute blocks
- *
- * Copyright (C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org>
- *
- * Copyright (C) 2002 Theodore Ts'o.
- *
- * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
- * %End-Header%
- */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <time.h>
-
-#include "ext2_fs.h"
-#include "ext2_ext_attr.h"
-#include "ext2fs.h"
-
-errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf)
-{
- errcode_t retval;
-
- retval = io_channel_read_blk(fs->io, block, 1, buf);
- if (retval)
- return retval;
-#if BB_BIG_ENDIAN
- if ((fs->flags & (EXT2_FLAG_SWAP_BYTES|
- EXT2_FLAG_SWAP_BYTES_READ)) != 0)
- ext2fs_swap_ext_attr(buf, buf, fs->blocksize, 1);
-#endif
- return 0;
-}
-
-errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, void *inbuf)
-{
- errcode_t retval;
- char *write_buf;
- char *buf = NULL;
-
- if (BB_BIG_ENDIAN && ((fs->flags & EXT2_FLAG_SWAP_BYTES) ||
- (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))) {
- retval = ext2fs_get_mem(fs->blocksize, &buf);
- if (retval)
- return retval;
- write_buf = buf;
- ext2fs_swap_ext_attr(buf, inbuf, fs->blocksize, 1);
- } else
- write_buf = (char *) inbuf;
- retval = io_channel_write_blk(fs->io, block, 1, write_buf);
- if (buf)
- ext2fs_free_mem(&buf);
- if (!retval)
- ext2fs_mark_changed(fs);
- return retval;
-}
-
-/*
- * This function adjusts the reference count of the EA block.
- */
-errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk,
- char *block_buf, int adjust,
- __u32 *newcount)
-{
- errcode_t retval;
- struct ext2_ext_attr_header *header;
- char *buf = 0;
-
- if ((blk >= fs->super->s_blocks_count) ||
- (blk < fs->super->s_first_data_block))
- return EXT2_ET_BAD_EA_BLOCK_NUM;
-
- if (!block_buf) {
- retval = ext2fs_get_mem(fs->blocksize, &buf);
- if (retval)
- return retval;
- block_buf = buf;
- }
-
- retval = ext2fs_read_ext_attr(fs, blk, block_buf);
- if (retval)
- goto errout;
-
- header = (struct ext2_ext_attr_header *) block_buf;
- header->h_refcount += adjust;
- if (newcount)
- *newcount = header->h_refcount;
-
- retval = ext2fs_write_ext_attr(fs, blk, block_buf);
- if (retval)
- goto errout;
-
-errout:
- if (buf)
- ext2fs_free_mem(&buf);
- return retval;
-}