#ifndef NFTABLES_GMPUTIL_H

#define NFTABLES_GMPUTIL_H

#include <config.h>

#ifdef HAVE_LIBGMP

#include <gmp.h>

#else

#include <mini-gmp.h>

#include <stdarg.h>

#include <stdio.h>

/* mini-gmp doesn't come with gmp_vfprintf, so we use our own minimal variant */

extern int mpz_vfprintf(FILE *fp, const char *format, va_list args);

#define gmp_vfprintf mpz_vfprintf

#endif

#include <inttypes.h>

#include <asm/byteorder.h>

enum mpz_word_order {

	MPZ_MSWF		= 1,

	MPZ_LSWF		= -1,

};

#ifdef __LITTLE_ENDIAN_BITFIELD

#define MPZ_HWO	MPZ_LSWF

#elif defined(__BIG_ENDIAN_BITFIELD)

#define MPZ_HWO MPZ_MSWF

#else

#error "byteorder undefined"

#endif

enum mpz_byte_order {

	MPZ_BIG_ENDIAN		= 1,

	MPZ_HOST_ENDIAN		= 0,

	MPZ_LITTLE_ENDIAN	= -1,

};

extern void mpz_bitmask(mpz_t rop, unsigned int width);

extern void mpz_init_bitmask(mpz_t rop, unsigned int width);

extern void mpz_prefixmask(mpz_t rop, unsigned int width, unsigned int prefix_len);

extern void mpz_lshift_ui(mpz_t rop, unsigned int n);

extern void mpz_rshift_ui(mpz_t rop, unsigned int n);

extern uint64_t mpz_get_uint64(const mpz_t op);

extern uint32_t mpz_get_uint32(const mpz_t op);

extern uint16_t mpz_get_uint16(const mpz_t op);

extern uint8_t mpz_get_uint8(const mpz_t op);

extern uint32_t mpz_get_be32(const mpz_t op);

extern uint16_t mpz_get_be16(const mpz_t op);

enum byteorder;

extern void *__mpz_export_data(void *data, const mpz_t op,

			       enum byteorder byteorder, unsigned int len);

extern void __mpz_import_data(mpz_t rop, const void *data,

			      enum byteorder byteorder, unsigned int len);

extern void __mpz_switch_byteorder(mpz_t rop, unsigned int len);

#include <assert.h>

#include <datatype.h>

#define mpz_export_data(data, op, byteorder, len)		\

{								\

	assert(len > 0);					\

	__mpz_export_data(data, op, byteorder, len); 		\

}

#define mpz_import_data(rop, data, byteorder, len)		\

{								\

	assert(len > 0);					\

	__mpz_import_data(rop, data, byteorder, len);		\

}

#define mpz_switch_byteorder(rop, len)				\

{								\

	assert(len > 0);					\

	__mpz_switch_byteorder(rop, len);			\

}

#endif /* NFTABLES_GMPUTIL_H */