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//===-- include/Support/DataTypes.h - Define fixed size types ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and 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 functinons.
//
//===----------------------------------------------------------------------===//
#ifndef SUPPORT_DATATYPES_H
#define SUPPORT_DATATYPES_H
// 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 Support/DataTypes.h"
#endif
#ifndef _MSC_VER
// Note that <inttypes.h> includes <stdint.h>, if this is a C99 system.
@INCLUDE_INTTYPES_H@
@INCLUDE_SYS_TYPES_H@
@INCLUDE_STDINT_H@
#else
// Visual C++ doesn't provide standard integer headers, but it does provide
// built-in data types.
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed int ssize_t;
#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
#if !defined(INT64_MAX)
/* We couldn't determine INT64_MAX; default it. */
# define INT64_MAX 9223372036854775807LL
#endif
#if !defined(UINT64_MAX)
# define UINT64_MAX 0xffffffffffffffffULL
#endif
#endif /* SUPPORT_DATATYPES_H */
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