#ifndef _INCLUDE_MEMFILE_H

#define _INCLUDE_MEMFILE_H

#include <stdlib.h>

typedef struct memfile_s

{

	char *name;

	char *base;

	long offs;

	long usedoffs;

	size_t size;

	int _static;

} memfile_t;

/**

 * Creates a new memory file

 * init is the initial size in bytes

 */

memfile_t *memfile_creat(const char *name, size_t init);

/**

 * Frees the memory associated.

 */

void memfile_destroy(memfile_t *mf);

/**

 * Seeks to a given offset (always from start)

 */

void memfile_seek(memfile_t *mf, long seek);

/**

 * Writes to a memory buffer (expands as necessary).

 * Returns 1 on success, 0 on failure.

 */

int memfile_write(memfile_t *mf, const void *buffer, size_t size);

/**

 * Reads a number of bytes from a memory buffer.

 * Returns the number of bytes read until the end was hit.

 */

size_t memfile_read(memfile_t *mf, void *buffer, size_t maxsize);

/**

 * Returns the current position from the start.

 */

long memfile_tell(memfile_t *mf);

/**

 * Resets all the states of the memory buffer.

 * (does not actually free or zero memory)

 */

void memfile_reset(memfile_t *mf);

#endif //_INCLUDE_MEMFILE_H