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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* serialize_fstree.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "sqfs/meta_writer.h"
#include "highlevel.h"
#include "util.h"
#include <unistd.h>
#include <stdio.h>
int sqfs_serialize_fstree(int outfd, sqfs_super_t *super, fstree_t *fs,
compressor_t *cmp, id_table_t *idtbl)
{
sqfs_dir_writer_t *dirwr;
meta_writer_t *im, *dm;
uint32_t offset;
uint64_t block;
int ret = -1;
size_t i;
im = meta_writer_create(outfd, cmp, false);
if (im == NULL)
return -1;
dm = meta_writer_create(outfd, cmp, true);
if (dm == NULL)
goto out_im;
dirwr = sqfs_dir_writer_create(dm);
if (dirwr == NULL)
goto out_dm;
for (i = 2; i < fs->inode_tbl_size; ++i) {
if (meta_writer_write_inode(fs, idtbl, im, dirwr,
fs->inode_table[i])) {
goto out;
}
}
if (meta_writer_flush(im))
goto out;
if (meta_writer_flush(dm))
goto out;
super->root_inode_ref = fs->root->inode_ref;
meta_writer_get_position(im, &block, &offset);
super->inode_table_start = super->bytes_used;
super->bytes_used += block;
meta_writer_get_position(dm, &block, &offset);
super->directory_table_start = super->bytes_used;
super->bytes_used += block;
if (meta_write_write_to_file(dm))
goto out;
ret = 0;
out:
sqfs_dir_writer_destroy(dirwr);
out_dm:
meta_writer_destroy(dm);
out_im:
meta_writer_destroy(im);
return ret;
}
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