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/*===-- include/System/DataTypes.h - Define fixed size types -----*- C -*-===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This file contains definitions to figure out the size of _HOST_ data types.*|
|* This file is important because different host OS's define different macros,*|
|* which makes portability tough. This file exports the following *|
|* definitions: *|
|* *|
|* [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*|
|* [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. *|
|* *|
|* No library is required when using these functions. *|
|* *|
|*===----------------------------------------------------------------------===*/
/* Please leave this file C-compatible. */
#ifndef SUPPORT_DATATYPES_H
#define SUPPORT_DATATYPES_H
#undef HAVE_SYS_TYPES_H
#undef HAVE_INTTYPES_H
#undef HAVE_STDINT_H
#undef HAVE_UINT64_T
#undef HAVE_U_INT64_T
#ifdef __cplusplus
#include <cmath>
#else
#include <math.h>
#endif
/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
being defined. We would define it here, but in order to prevent Bad Things
happening when system headers or C++ STL headers include stdint.h before we
define it here, we define it on the g++ command line (in Makefile.rules). */
#if !defined(__STDC_LIMIT_MACROS)
# error "Must #define __STDC_LIMIT_MACROS before #including System/DataTypes.h"
#endif
#if !defined(__STDC_CONSTANT_MACROS)
# error "Must #define __STDC_CONSTANT_MACROS before " \
"#including System/DataTypes.h"
#endif
/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef _AIX
#include "llvm/Support/AIXDataTypesFix.h"
#endif
/* Handle incorrect definition of uint64_t as u_int64_t */
#ifndef HAVE_UINT64_T
#ifdef HAVE_U_INT64_T
typedef u_int64_t uint64_t;
#else
# error "Don't have a definition for uint64_t on this platform"
#endif
#endif
#ifdef _OpenBSD_
#define INT8_MAX 127
#define INT8_MIN -128
#define UINT8_MAX 255
#define INT16_MAX 32767
#define INT16_MIN -32768
#define UINT16_MAX 65535
#define INT32_MAX 2147483647
#define INT32_MIN -2147483648
#define UINT32_MAX 4294967295U
#endif
/* Set defaults for constants which we cannot find. */
#if !defined(INT64_MAX)
# define INT64_MAX 9223372036854775807LL
#endif
#if !defined(INT64_MIN)
# define INT64_MIN ((-INT64_MAX)-1)
#endif
#if !defined(UINT64_MAX)
# define UINT64_MAX 0xffffffffffffffffULL
#endif
#if __GNUC__ > 3
#define END_WITH_NULL __attribute__((sentinel))
#else
#define END_WITH_NULL
#endif
#ifndef HUGE_VALF
#define HUGE_VALF (float)HUGE_VAL
#endif
#endif /* SUPPORT_DATATYPES_H */
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