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