/*
 * <Copyright>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice, this
 * list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.  THIS SOFTWARE IS PROVIDED BY
 * THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * liberasurecode API helpers header
 *
 * vi: set noai tw=79 ts=4 sw=4:
 */

#ifndef _ERASURECODE_PREPROCESSING_H_
#define _ERASURECODE_PREPROCESSING_H_

int prepare_fragments_for_encode(
        ec_backend_t instance,
        int k, int m,
        const char *orig_data, uint64_t orig_data_size, /* input */
        char **encoded_data, char **encoded_parity,     /* output */
        int *blocksize);

int prepare_fragments_for_decode(
        int k, int m,
        char **data, char **parity,
        int *missing_idxs,
        int *orig_size, int *fragment_payload_size, int fragment_size,
        uint64_t *realloc_bm);

int get_fragment_partition(
        int k, int m,
        char **fragments, int num_fragments,
        char **data, char **parity,
        int *missing);

int fragments_to_string(
        int k, int m,
        char **fragments, int num_fragments,
        char **orig_payload, uint64_t *payload_len);

#endif