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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* block_processor.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "sqfs/block_processor.h"
#include "util.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
struct sqfs_block_processor_t {
size_t max_block_size;
compressor_t *cmp;
sqfs_block_cb cb;
void *user;
int status;
uint8_t scratch[];
};
sqfs_block_processor_t *sqfs_block_processor_create(size_t max_block_size,
compressor_t *cmp,
unsigned int num_workers,
void *user,
sqfs_block_cb callback)
{
sqfs_block_processor_t *proc;
(void)num_workers;
proc = alloc_flex(sizeof(*proc), 1, max_block_size);
if (proc == NULL) {
perror("Creating block processor");
return NULL;
}
proc->max_block_size = max_block_size;
proc->cmp = cmp;
proc->cb = callback;
proc->user = user;
return proc;
}
void sqfs_block_processor_destroy(sqfs_block_processor_t *proc)
{
free(proc);
}
int sqfs_block_processor_enqueue(sqfs_block_processor_t *proc,
sqfs_block_t *block)
{
if (sqfs_block_process(block, proc->cmp,
proc->scratch, proc->max_block_size))
goto fail;
if (proc->cb(proc->user, block))
goto fail;
free(block);
return 0;
fail:
free(block);
proc->status = -1;
return -1;
}
int sqfs_block_processor_finish(sqfs_block_processor_t *proc)
{
return proc->status;
}
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