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/*
* common.h -- header functions used by mpq-tools.
*
* Copyright (c) 2003-2008 Maik Broemme <mbroemme@plusserver.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _COMMON_H
#define _COMMON_H
/* function to return the hash to a given string. */
uint32_t libmpq__hash_string(
const char *key,
uint32_t offset
);
/* function to encrypt a block. */
int32_t libmpq__encrypt_block(
uint32_t *in_buf,
uint32_t in_size,
uint32_t seed
);
/* function to decrypt a block. */
int32_t libmpq__decrypt_block(
uint32_t *in_buf,
uint32_t in_size,
uint32_t seed
);
/* function to detect decryption key. */
int32_t libmpq__decrypt_key(
uint8_t *in_buf,
uint32_t in_size,
uint32_t block_size
);
/* function to decompress or explode block from archive. */
int32_t libmpq__decompress_block(
uint8_t *in_buf,
uint32_t in_size,
uint8_t *out_buf,
uint32_t out_size,
uint32_t compression_type
);
#endif /* _COMMON_H */
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