sl@0: /*
sl@0: Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
sl@0: 
sl@0: Redistribution and use in source and binary forms, with or without 
sl@0: modification, are permitted provided that the following conditions are met:
sl@0: 
sl@0: * Redistributions of source code must retain the above copyright notice, this 
sl@0:   list of conditions and the following disclaimer.
sl@0: * Redistributions in binary form must reproduce the above copyright notice, 
sl@0:   this list of conditions and the following disclaimer in the documentation 
sl@0:   and/or other materials provided with the distribution.
sl@0: * Neither the name of Nokia Corporation nor the names of its contributors 
sl@0:   may be used to endorse or promote products derived from this software 
sl@0:   without specific prior written permission.
sl@0: 
sl@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
sl@0: AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
sl@0: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
sl@0: DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
sl@0: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
sl@0: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
sl@0: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
sl@0: CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
sl@0: OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
sl@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0: 
sl@0: Description:
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef HEADER_COMP_H
sl@0: #define HEADER_COMP_H
sl@0: #ifdef SYMBIAN
sl@0: #include <e32def.h>
sl@0: #endif
sl@0: #include <openssl/crypto.h>
sl@0: 
sl@0: #ifdef  __cplusplus
sl@0: extern "C" {
sl@0: #endif
sl@0: #ifdef SYMBIAN
sl@0: #include <e32def.h>
sl@0: #endif
sl@0: typedef struct comp_ctx_st COMP_CTX;
sl@0: 
sl@0: typedef struct comp_method_st
sl@0: 	{
sl@0: 	int type;		/* NID for compression library */
sl@0: 	const char *name;	/* A text string to identify the library */
sl@0: 	int (*init)(COMP_CTX *ctx);
sl@0: 	void (*finish)(COMP_CTX *ctx);
sl@0: 	int (*compress)(COMP_CTX *ctx,
sl@0: 			unsigned char *out, unsigned int olen,
sl@0: 			unsigned char *in, unsigned int ilen);
sl@0: 	int (*expand)(COMP_CTX *ctx,
sl@0: 		      unsigned char *out, unsigned int olen,
sl@0: 		      unsigned char *in, unsigned int ilen);
sl@0: 	/* The following two do NOTHING, but are kept for backward compatibility */
sl@0: 	long (*ctrl)(void);
sl@0: 	long (*callback_ctrl)(void);
sl@0: 	} COMP_METHOD;
sl@0: 
sl@0: struct comp_ctx_st
sl@0: 	{
sl@0: 	COMP_METHOD *meth;
sl@0: 	unsigned long compress_in;
sl@0: 	unsigned long compress_out;
sl@0: 	unsigned long expand_in;
sl@0: 	unsigned long expand_out;
sl@0: 
sl@0: 	CRYPTO_EX_DATA	ex_data;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: IMPORT_C COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
sl@0: IMPORT_C void COMP_CTX_free(COMP_CTX *ctx);
sl@0: IMPORT_C int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
sl@0: 	unsigned char *in, int ilen);
sl@0: IMPORT_C int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
sl@0: 	unsigned char *in, int ilen);
sl@0: IMPORT_C COMP_METHOD *COMP_rle(void );
sl@0: IMPORT_C COMP_METHOD *COMP_zlib(void );
sl@0: 
sl@0: /* BEGIN ERROR CODES */
sl@0: /* The following lines are auto generated by the script mkerr.pl. Any changes
sl@0:  * made after this point may be overwritten when the script is next run.
sl@0:  */
sl@0: IMPORT_C void ERR_load_COMP_strings(void);
sl@0: 
sl@0: /* Error codes for the COMP functions. */
sl@0: 
sl@0: /* Function codes. */
sl@0: 
sl@0: /* Reason codes. */
sl@0: 
sl@0: #ifdef  __cplusplus
sl@0: }
sl@0: #endif
sl@0: #endif