/*

 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

struct comp_method_st {

    int type;                   /* NID for compression library */

    const char *name;           /* A text string to identify the library */

    int (*init) (COMP_CTX *ctx);

    void (*finish) (COMP_CTX *ctx);

    int (*compress) (COMP_CTX *ctx,

                     unsigned char *out, unsigned int olen,

                     unsigned char *in, unsigned int ilen);

    int (*expand) (COMP_CTX *ctx,

                   unsigned char *out, unsigned int olen,

                   unsigned char *in, unsigned int ilen);

};

struct comp_ctx_st {

    struct comp_method_st *meth;

    unsigned long compress_in;

    unsigned long compress_out;

    unsigned long expand_in;

    unsigned long expand_out;

    void* data;

};