williamr@2: /*
williamr@4: * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@4: * All rights reserved.
williamr@4: * This component and the accompanying materials are made available
williamr@4: * under the terms of "Eclipse Public License v1.0"
williamr@4: * which accompanies this distribution, and is available
williamr@4: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2: *
williamr@4: * Initial Contributors:
williamr@4: * Nokia Corporation - initial contribution.
williamr@4: *
williamr@4: * Contributors:
williamr@4: *
williamr@4: * Description: 
williamr@2: *
williamr@2: */
williamr@2: 
williamr@2: 
williamr@4: 
williamr@2: #ifndef HEADER_COMP_H
williamr@2: #define HEADER_COMP_H
williamr@2: 
williamr@2: #if (defined(__SYMBIAN32__) && !defined(SYMBIAN))
williamr@2: #define SYMBIAN
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef SYMBIAN
williamr@2: #include <e32def.h>
williamr@2: #endif
williamr@2: #include <openssl/crypto.h>
williamr@2: 
williamr@2: #ifdef  __cplusplus
williamr@2: extern "C" {
williamr@2: #endif
williamr@2: #ifdef SYMBIAN
williamr@2: #include <e32def.h>
williamr@2: #endif
williamr@2: typedef struct comp_ctx_st COMP_CTX;
williamr@2: 
williamr@2: typedef struct comp_method_st
williamr@2: 	{
williamr@2: 	int type;		/* NID for compression library */
williamr@2: 	const char *name;	/* A text string to identify the library */
williamr@2: 	int (*init)(COMP_CTX *ctx);
williamr@2: 	void (*finish)(COMP_CTX *ctx);
williamr@2: 	int (*compress)(COMP_CTX *ctx,
williamr@2: 			unsigned char *out, unsigned int olen,
williamr@2: 			unsigned char *in, unsigned int ilen);
williamr@2: 	int (*expand)(COMP_CTX *ctx,
williamr@2: 		      unsigned char *out, unsigned int olen,
williamr@2: 		      unsigned char *in, unsigned int ilen);
williamr@2: 	/* The following two do NOTHING, but are kept for backward compatibility */
williamr@2: 	long (*ctrl)(void);
williamr@2: 	long (*callback_ctrl)(void);
williamr@2: 	} COMP_METHOD;
williamr@2: 
williamr@2: struct comp_ctx_st
williamr@2: 	{
williamr@2: 	COMP_METHOD *meth;
williamr@2: 	unsigned long compress_in;
williamr@2: 	unsigned long compress_out;
williamr@2: 	unsigned long expand_in;
williamr@2: 	unsigned long expand_out;
williamr@2: 
williamr@2: 	CRYPTO_EX_DATA	ex_data;
williamr@2: 	};
williamr@2: 
williamr@2: 
williamr@2: IMPORT_C COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
williamr@2: IMPORT_C void COMP_CTX_free(COMP_CTX *ctx);
williamr@2: IMPORT_C int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
williamr@2: 	unsigned char *in, int ilen);
williamr@2: IMPORT_C int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
williamr@2: 	unsigned char *in, int ilen);
williamr@2: IMPORT_C COMP_METHOD *COMP_rle(void );
williamr@2: IMPORT_C COMP_METHOD *COMP_zlib(void );
williamr@2: 
williamr@2: /* BEGIN ERROR CODES */
williamr@2: /* The following lines are auto generated by the script mkerr.pl. Any changes
williamr@2:  * made after this point may be overwritten when the script is next run.
williamr@2:  */
williamr@2: IMPORT_C void ERR_load_COMP_strings(void);
williamr@2: 
williamr@2: /* Error codes for the COMP functions. */
williamr@2: 
williamr@2: /* Function codes. */
williamr@2: 
williamr@2: /* Reason codes. */
williamr@2: 
williamr@2: #ifdef  __cplusplus
williamr@2: }
williamr@2: #endif
williamr@2: #endif