/*********************************************************************

	hashfile.h

	Code for parsing hash info (*.hsi) files

*********************************************************************/

#ifndef HASHFILE_H
#define HASHFILE_H

#include "driver.h"
#include "hash.h"


struct hash_info
{
	char hash[HASH_BUF_SIZE];
	const char *longname;
	const char *manufacturer;
	const char *year;
	const char *playable;
	const char *extrainfo;
};

typedef struct _hash_file hash_file;


/* opens a hash file; if is_preload is non-zero, the entire file is preloaded */
hash_file *hashfile_open(const char *sysname, int is_preload,
	void (*error_proc)(const char *message));

/* opens a hash file; if is_preload is non-zero, the entire file is preloaded */
hash_file *hashfile_open_options(core_options *opts, const char *sysname, int is_preload,
	void (*error_proc)(const char *message));

/* closes a hash file and associated resources */
void hashfile_close(hash_file *hashfile);

/* looks up information in a hash file */
const struct hash_info *hashfile_lookup(hash_file *hashfile, const char *hash);

/* performs a syntax check on a hash file */
int hashfile_verify(const char *sysname, void (*error_proc)(const char *message));

/* returns the functions used in this hash file */
unsigned int hashfile_functions_used(hash_file *hashfile, iodevice_t devtype);


#endif /* HASHFILE_H */