#ifndef _TYPES_H
#define _TYPES_H
#include <pg_config.h>


/* ----------------------------------------------------------------
 *				Section 5:	offsetof, lengthof, endof, alignment
 * ----------------------------------------------------------------
 */
/*
 * offsetof
 *		Offset of a structure/union field within that structure/union.
 *
 *		XXX This is supposed to be part of stddef.h, but isn't on
 *		some systems (like SunOS 4).
 */
#ifndef offsetof
#define offsetof(type, field)	((long) &((type *)0)->field)
#endif   /* offsetof */

/*
 * intN
 *		Signed integer, EXACTLY N BITS IN SIZE,
 *		used for numerical computations and the
 *		frontend/backend protocol.
 */
#ifndef HAVE_INT8
typedef signed char int8;		/* == 8 bits */
typedef signed short int16;		/* == 16 bits */
typedef signed int int32;		/* == 32 bits */
#endif   /* not HAVE_INT8 */

/*
 * uintN
 *		Unsigned integer, EXACTLY IN BITS IN SIZE,
 *		used for numerical computations and the
 *		frontend/backend protocol.
 */
#ifndef HAVE_UINT8
typedef unsigned char uint8;	/* == 8 bits */
typedef unsigned short uint16;	/* == 16 bits */
typedef unsigned int uint32;	/* == 32 bits */
#endif   /* not HAVE_UINT8 */

/*
 * 64-bit integers
 */
#ifdef HAVE_LONG_INT_64
/* Plain "long int" fits, use it */

#ifndef HAVE_INT64
typedef long int int64;
#endif
#ifndef HAVE_UINT64
typedef unsigned long int uint64;
#endif
#elif defined(HAVE_LONG_LONG_INT_64)
/* We have working support for "long long int", use that */

#ifndef HAVE_INT64
typedef long long int int64;
#endif
#ifndef HAVE_UINT64
typedef unsigned long long int uint64;
#endif
#else
/* neither HAVE_LONG_INT_64 nor HAVE_LONG_LONG_INT_64 */
#error must have a working 64-bit integer datatype
#endif

#ifndef bool
typedef char bool;
#endif

/**
 * Right now we don't actually implement libintl
 * even though some code uses gettext_noop.
 * For now just use a macro to do nothing.
 * if oneday someone implements gettext then
 * we should update this.
 */
#define gettext_noop(x) x

#ifdef _MSC_VER
#define va_copy(aq,ap) aq=ap
#endif

#ifdef HAVE_LL_CONSTANTS
#define INT64CONST(x)  ((int64) x##LL)
#define UINT64CONST(x) ((uint64) x##ULL)
#else
#define INT64CONST(x)  ((int64) x)
#define UINT64CONST(x) ((uint64) x)
#endif

#endif
