/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#ifndef HEADER_COMP_H
#define HEADER_COMP_H
#if (defined(__SYMBIAN32__) && !defined(SYMBIAN))
#define SYMBIAN
#endif
#ifdef SYMBIAN
#include <e32def.h>
#endif
#include <openssl/crypto.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef SYMBIAN
#include <e32def.h>
#endif
typedef struct comp_ctx_st COMP_CTX;
typedef 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);
/* The following two do NOTHING, but are kept for backward compatibility */
long (*ctrl)(void);
long (*callback_ctrl)(void);
} COMP_METHOD;
struct comp_ctx_st
{
COMP_METHOD *meth;
unsigned long compress_in;
unsigned long compress_out;
unsigned long expand_in;
unsigned long expand_out;
CRYPTO_EX_DATA ex_data;
};
IMPORT_C COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
IMPORT_C void COMP_CTX_free(COMP_CTX *ctx);
IMPORT_C int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
unsigned char *in, int ilen);
IMPORT_C int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
unsigned char *in, int ilen);
IMPORT_C COMP_METHOD *COMP_rle(void );
IMPORT_C COMP_METHOD *COMP_zlib(void );
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
IMPORT_C void ERR_load_COMP_strings(void);
/* Error codes for the COMP functions. */
/* Function codes. */
/* Reason codes. */
#ifdef __cplusplus
}
#endif
#endif