isoreader.h

/*
 * This file is part of PRO CFW.
 * PRO CFW 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 3 of the License, or
 * (at your option) any later version.
 * PRO CFW 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 PRO CFW. If not, see <http://www.gnu.org/licenses/ .
 */
 
#ifndef _ISOREADER_H_
#define _ISOREADER_H_

#define  NELEMS(x)  (sizeof(x)/sizeof((x)[0]))
#define  MIN(a,b)   ( ((a)<(b)) ? (a) : (b) )

#define SECTOR_SIZE 0x800

#define ISO9660_FILEFLAGS_FILE	1
#define ISO9660_FILEFLAGS_DIR	2

typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;

typedef struct __attribute__((packed))
{
	/* Directory record length. */
	u8	len_dr;
	/* Extended attribute record length. */
	u8	XARlength;
	/* First logical block where file starts. */
	u32	lsbStart;
	u32	msbStart;
	/* Number of bytes in file. */
	u32	lsbDataLength;
	u32	msbDataLength;
	/* Since 1900. */
	u8	year;
	u8	month;
	u8	day;
	u8	hour;
	u8	minute;
	u8	second;
	/* 15-minute offset from Universal Time. */
	u8	gmtOffse;
	/* Attributes of a file or directory. */
	u8	fileFlags;
	/* Used for interleaved files. */
	u8	interleaveSize;
	/* Used for interleaved files. */
	u8	interleaveSkip;
	/* Which volume in volume set contains this file. */
	u16	lsbVolSetSeqNum;
	u16	msbVolSetSeqNum;
	/* Length of file identifier that follows. */
	u8	len_fi;
	/* File identifier: actual is len_fi. */
	/* Contains extra blank byte if len_fi odd. */
	char    fi;
} Iso9660DirectoryRecord;

int isoOpen(const char *path);

void isoClose(void);

int isoGetSize(void);

//get file information
int isoGetFileInfo(char * str, u32 * filesize, u32 *lba);

//read raw data from iso
int isoRead(void *buffer, u32 lba, int offset, u32 size);

#endif