epoc32/include/stdapis/openssl/comp.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 2 2fe1408b6811
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 /*
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
     3 * All rights reserved.
     4 * This component and the accompanying materials are made available
     5 * under the terms of "Eclipse Public License v1.0"
     6 * which accompanies this distribution, and is available
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
     8 *
     9 * Initial Contributors:
    10 * Nokia Corporation - initial contribution.
    11 *
    12 * Contributors:
    13 *
    14 * Description: 
    15 *
    16 */
    17 
    18 
    19 
    20 #ifndef HEADER_COMP_H
    21 #define HEADER_COMP_H
    22 
    23 #if (defined(__SYMBIAN32__) && !defined(SYMBIAN))
    24 #define SYMBIAN
    25 #endif
    26 
    27 #ifdef SYMBIAN
    28 #include <e32def.h>
    29 #endif
    30 #include <openssl/crypto.h>
    31 
    32 #ifdef  __cplusplus
    33 extern "C" {
    34 #endif
    35 #ifdef SYMBIAN
    36 #include <e32def.h>
    37 #endif
    38 typedef struct comp_ctx_st COMP_CTX;
    39 
    40 typedef struct comp_method_st
    41 	{
    42 	int type;		/* NID for compression library */
    43 	const char *name;	/* A text string to identify the library */
    44 	int (*init)(COMP_CTX *ctx);
    45 	void (*finish)(COMP_CTX *ctx);
    46 	int (*compress)(COMP_CTX *ctx,
    47 			unsigned char *out, unsigned int olen,
    48 			unsigned char *in, unsigned int ilen);
    49 	int (*expand)(COMP_CTX *ctx,
    50 		      unsigned char *out, unsigned int olen,
    51 		      unsigned char *in, unsigned int ilen);
    52 	/* The following two do NOTHING, but are kept for backward compatibility */
    53 	long (*ctrl)(void);
    54 	long (*callback_ctrl)(void);
    55 	} COMP_METHOD;
    56 
    57 struct comp_ctx_st
    58 	{
    59 	COMP_METHOD *meth;
    60 	unsigned long compress_in;
    61 	unsigned long compress_out;
    62 	unsigned long expand_in;
    63 	unsigned long expand_out;
    64 
    65 	CRYPTO_EX_DATA	ex_data;
    66 	};
    67 
    68 
    69 IMPORT_C COMP_CTX *COMP_CTX_new(COMP_METHOD *meth);
    70 IMPORT_C void COMP_CTX_free(COMP_CTX *ctx);
    71 IMPORT_C int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
    72 	unsigned char *in, int ilen);
    73 IMPORT_C int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
    74 	unsigned char *in, int ilen);
    75 IMPORT_C COMP_METHOD *COMP_rle(void );
    76 IMPORT_C COMP_METHOD *COMP_zlib(void );
    77 
    78 /* BEGIN ERROR CODES */
    79 /* The following lines are auto generated by the script mkerr.pl. Any changes
    80  * made after this point may be overwritten when the script is next run.
    81  */
    82 IMPORT_C void ERR_load_COMP_strings(void);
    83 
    84 /* Error codes for the COMP functions. */
    85 
    86 /* Function codes. */
    87 
    88 /* Reason codes. */
    89 
    90 #ifdef  __cplusplus
    91 }
    92 #endif
    93 #endif