usbloadergx/source/utils/uncompress.h

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/***************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* for WiiXplorer 2010
***************************************************************************/
#ifndef __UNCOMPRESS_H
#define __UNCOMPRESS_H
#include <gctypes.h>
#define le16(i) ((((u16) ((i) & 0xFF)) << 8) | ((u16) (((i) & 0xFF00) >> 8)))
#define le32(i) ((((u32)le16((i) & 0xFFFF)) << 16) | ((u32)le16(((i) & 0xFFFF0000) >> 16)))
#define le64(i) ((((u64)le32((i) & 0xFFFFFFFFLL)) << 32) | ((u64)le32(((i) & 0xFFFFFFFF00000000LL) >> 32)))
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
u32 magic; //Yaz0
u32 decompressed_size;
u8 zeros[8];
} Yaz0_Header;
u8 * uncompressLZ77(const u8 *inBuf, u32 inLength, u32 * uncSize);
void uncompressYaz0(const u8* srcBuf, u8* dst, int uncompressedSize);
u32 CheckIMD5Type(const u8 * buffer, int length);
#ifdef __cplusplus
}
#endif
#endif