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/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* common.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#define SQFS_BUILDING_DLL
#include "internal.h"
void free_blk_list(sqfs_block_t *list)
{
sqfs_block_t *it;
while (list != NULL) {
it = list;
list = list->next;
free(it);
}
}
int data_writer_init(sqfs_data_writer_t *proc, size_t max_block_size,
sqfs_compressor_t *cmp, unsigned int num_workers,
size_t max_backlog, size_t devblksz, sqfs_file_t *file)
{
proc->max_block_size = max_block_size;
proc->num_workers = num_workers;
proc->max_backlog = max_backlog;
proc->devblksz = devblksz;
proc->cmp = cmp;
proc->file = file;
proc->max_blocks = INIT_BLOCK_COUNT;
proc->frag_list_max = INIT_BLOCK_COUNT;
proc->frag_tbl = sqfs_frag_table_create(0);
if (proc->frag_tbl == NULL)
return -1;
proc->blocks = alloc_array(sizeof(proc->blocks[0]), proc->max_blocks);
if (proc->blocks == NULL)
return -1;
proc->frag_list = alloc_array(sizeof(proc->frag_list[0]),
proc->frag_list_max);
if (proc->frag_list == NULL)
return -1;
return 0;
}
void data_writer_cleanup(sqfs_data_writer_t *proc)
{
if (proc->frag_tbl != NULL)
sqfs_frag_table_destroy(proc->frag_tbl);
free_blk_list(proc->queue);
free_blk_list(proc->done);
free(proc->blk_current);
free(proc->frag_block);
free(proc->frag_list);
free(proc->blocks);
free(proc);
}
int sqfs_data_writer_write_fragment_table(sqfs_data_writer_t *proc,
sqfs_super_t *super)
{
return sqfs_frag_table_write(proc->frag_tbl, proc->file,
super, proc->cmp);
}
int sqfs_data_writer_set_hooks(sqfs_data_writer_t *proc, void *user_ptr,
const sqfs_block_hooks_t *hooks)
{
if (hooks->size != sizeof(*hooks))
return SQFS_ERROR_UNSUPPORTED;
proc->hooks = hooks;
proc->user_ptr = user_ptr;
return 0;
}
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