vbagx/source/ngc/gcunzip.h

45 lines
1.3 KiB
C

/****************************************************************************
* Visual Boy Advance GX
*
* Tantric September 2008
*
* unzip.h
*
* File unzip routines
***************************************************************************/
#ifndef _UNZIP_
#define _UNZIP_
#include <smb.h>
int IsZipFile (char *buffer);
char * GetFirstZipFilename(int method);
int UnZipBuffer (unsigned char *outbuffer, int method);
int SzParse(char * filepath, int method);
int SzExtractFile(int i, unsigned char *buffer);
void SzClose();
/*
* Zip file header definition
*/
typedef struct
{
unsigned int zipid __attribute__ ((__packed__)); // 0x04034b50
unsigned short zipversion __attribute__ ((__packed__));
unsigned short zipflags __attribute__ ((__packed__));
unsigned short compressionMethod __attribute__ ((__packed__));
unsigned short lastmodtime __attribute__ ((__packed__));
unsigned short lastmoddate __attribute__ ((__packed__));
unsigned int crc32 __attribute__ ((__packed__));
unsigned int compressedSize __attribute__ ((__packed__));
unsigned int uncompressedSize __attribute__ ((__packed__));
unsigned short filenameLength __attribute__ ((__packed__));
unsigned short extraDataLength __attribute__ ((__packed__));
}
PKZIPHEADER;
u32 FLIP32 (u32 b);
u16 FLIP16 (u16 b);
#endif