#ifndef _IPS_H_
#define _IPS_H_

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>

#define IPS_OK 1
#define IPS_ERROR -1
#define IPS_ERROR_FILE_TYPE -2
#define IPS_ERROR_SAVE -3
#define IPS_ERROR_READ -4
#define IPS_PATCH_END  0

#define IPS_RECORD_OFFSET(record) ((record).offset & 0x00ffffff)
#define IPS_RECORD_INFO(record) (((record).offset >> 24) & 0xff)
#define IPS_RECORD_RLE 1

struct IPSRecord
{
	uint32_t offset;
	uint16_t size;
	uint8_t  rleData;
};

struct IPSPatch
{
	FILE             *source;
	FILE             *destination;
	FILE             *patch;
	uint32_t         sourceSize;
	struct IPSRecord record;
};

int8_t IPSOpen(struct IPSPatch *ips,
               const char *patchName,
               const char *inName,
               const char *outName);
              
void IPSClose(struct IPSPatch *ips);

int8_t IPSReadRecord(struct IPSPatch *ips);

int8_t IPSProcessRecord (struct IPSPatch *ips);

#endif /* _IPS_H_ */