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#ifndef SFRT_H
#define SFRT_H

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

#include "sofort_api.h"

#ifdef __cplusplus
extern "C" {
#endif

/* pre-alpha */
#ifndef SFRT_APP
#ifndef SFRT_PRE_ALPHA
#error  libsofort: pre-alpha: ABI is not final!
#error  to use the library, please pass -DSFRT_PRE_ALPHA to the compiler.
#endif
#endif

/* status codes */
#define SFRT_OK				0x00
#define SFRT_USAGE			0x01
#define SFRT_BAD_OPT			0x02
#define SFRT_BAD_OPT_VAL		0x03
#define SFRT_IO_ERROR			0xA0
#define SFRT_MAP_ERROR			0xA1

/* driver flags */
#define SFRT_DRIVER_VERBOSITY_NONE	0x0000
#define SFRT_DRIVER_VERBOSITY_ERRORS	0x0001
#define SFRT_DRIVER_VERBOSITY_STATUS	0x0002
#define SFRT_DRIVER_VERBOSITY_USAGE	0x0004
#define SFRT_DRIVER_CLONE_VECTOR	0x0008

#define SFRT_DRIVER_VERSION		0x0010
#define SFRT_DRIVER_DRY_RUN		0x0020

/* unit action flags */
#define SFRT_OUTPUT_NAME		0x0001 /* dummy */
#define SFRT_OUTPUT_ADDRESS		0x0002 /* dummy */

struct sfrt_input {
	void *	addr;
	size_t	size;
};

struct sfrt_common_ctx {
	uint64_t			drvflags;
	uint64_t			actflags;
	uint64_t			fmtflags;
	const char *			anystring; /* dummy */
};

struct sfrt_driver_ctx {
	const char **			units;
	const char *			program;
	const char *			module;
	const struct sfrt_common_ctx *	cctx;
	void *				any;
	int				status;
	int				nerrors;
};

struct sfrt_unit_ctx {
	const char * const *		path;
	const struct sfrt_input *	map;
	const struct sfrt_common_ctx *	cctx;
	void *				any;
	int				status;
	int				nerrors;
};

/* driver api */
sfrt_api int  sfrt_get_driver_ctx	(const char ** argv, const char ** envp, uint32_t flags, struct sfrt_driver_ctx **);
sfrt_api int  sfrt_create_driver_ctx	(const struct sfrt_common_ctx *, struct sfrt_driver_ctx **);
sfrt_api void sfrt_free_driver_ctx	(struct sfrt_driver_ctx *);

sfrt_api int  sfrt_get_unit_ctx		(const struct sfrt_driver_ctx *, const char * path, struct sfrt_unit_ctx **);
sfrt_api void sfrt_free_unit_ctx	(struct sfrt_unit_ctx *);

sfrt_api int  sfrt_map_input		(int fd, const char * path, int prot, struct sfrt_input *);
sfrt_api int  sfrt_unmap_input		(struct sfrt_input *);

/* utility api */
sfrt_api int  sfrt_output_dummy		(const struct sfrt_common_ctx *, FILE *);	/* dummy */
sfrt_api int  sfrt_output_name		(const struct sfrt_unit_ctx *, FILE *);		/* dummy */
sfrt_api int  sfrt_output_address	(const struct sfrt_unit_ctx *, FILE *);		/* dummy */

#ifdef __cplusplus
}
#endif

#endif