DataTypes.h.cmake revision 9c091a4846044f18cfdd8bca55957c2aa6c9a8a5
1/*===-- include/Support/DataTypes.h - Define fixed size types -----*- C -*-===*\ 2|* *| 3|* The LLVM Compiler Infrastructure *| 4|* *| 5|* This file is distributed under the University of Illinois Open Source *| 6|* License. See LICENSE.TXT for details. *| 7|* *| 8|*===----------------------------------------------------------------------===*| 9|* *| 10|* This file contains definitions to figure out the size of _HOST_ data types.*| 11|* This file is important because different host OS's define different macros,*| 12|* which makes portability tough. This file exports the following *| 13|* definitions: *| 14|* *| 15|* [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*| 16|* [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values. *| 17|* *| 18|* No library is required when using these functinons. *| 19|* *| 20|*===----------------------------------------------------------------------===*/ 21 22/* Please leave this file C-compatible. */ 23 24#ifndef SUPPORT_DATATYPES_H 25#define SUPPORT_DATATYPES_H 26 27#cmakedefine HAVE_SYS_TYPES_H ${HAVE_SYS_TYPES_H} 28#cmakedefine HAVE_INTTYPES_H ${HAVE_INTTYPES_H} 29#cmakedefine HAVE_STDINT_H ${HAVE_STDINT_H} 30#cmakedefine HAVE_UINT64_T ${HAVE_UINT64_T} 31#cmakedefine HAVE_U_INT64_T ${HAVE_U_INT64_T} 32 33#ifdef __cplusplus 34#include <cmath> 35#else 36#include <math.h> 37#endif 38 39#ifndef _MSC_VER 40 41/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS 42 being defined. We would define it here, but in order to prevent Bad Things 43 happening when system headers or C++ STL headers include stdint.h before we 44 define it here, we define it on the g++ command line (in Makefile.rules). */ 45#if !defined(__STDC_LIMIT_MACROS) 46# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h" 47#endif 48 49#if !defined(__STDC_CONSTANT_MACROS) 50# error "Must #define __STDC_CONSTANT_MACROS before " \ 51 "#including Support/DataTypes.h" 52#endif 53 54/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */ 55#ifdef HAVE_SYS_TYPES_H 56#include <sys/types.h> 57#endif 58 59#ifdef HAVE_INTTYPES_H 60#include <inttypes.h> 61#endif 62 63#ifdef HAVE_STDINT_H 64#include <stdint.h> 65#endif 66 67#ifdef _AIX 68#include "llvm/Support/AIXDataTypesFix.h" 69#endif 70 71/* Handle incorrect definition of uint64_t as u_int64_t */ 72#ifndef HAVE_UINT64_T 73#ifdef HAVE_U_INT64_T 74typedef u_int64_t uint64_t; 75#else 76# error "Don't have a definition for uint64_t on this platform" 77#endif 78#endif 79 80#ifdef _OpenBSD_ 81#define INT8_MAX 127 82#define INT8_MIN -128 83#define UINT8_MAX 255 84#define INT16_MAX 32767 85#define INT16_MIN -32768 86#define UINT16_MAX 65535 87#define INT32_MAX 2147483647 88#define INT32_MIN -2147483648 89#define UINT32_MAX 4294967295U 90#endif 91 92#else /* _MSC_VER */ 93/* Visual C++ doesn't provide standard integer headers, but it does provide 94 built-in data types. */ 95#include <stdlib.h> 96#include <stddef.h> 97#include <sys/types.h> 98#ifdef __cplusplus 99#include <cmath> 100#else 101#include <math.h> 102#endif 103typedef __int64 int64_t; 104typedef unsigned __int64 uint64_t; 105typedef signed int int32_t; 106typedef unsigned int uint32_t; 107typedef short int16_t; 108typedef unsigned short uint16_t; 109typedef signed char int8_t; 110typedef unsigned char uint8_t; 111typedef signed int ssize_t; 112#define INT8_MAX 127 113#define INT8_MIN -128 114#define UINT8_MAX 255 115#define INT16_MAX 32767 116#define INT16_MIN -32768 117#define UINT16_MAX 65535 118#define INT32_MAX 2147483647 119#define INT32_MIN -2147483648 120#define UINT32_MAX 4294967295U 121#define INT8_C(C) C 122#define UINT8_C(C) C 123#define INT16_C(C) C 124#define UINT16_C(C) C 125#define INT32_C(C) C 126#define UINT32_C(C) C ## U 127#define INT64_C(C) ((int64_t) C ## LL) 128#define UINT64_C(C) ((uint64_t) C ## ULL) 129#endif /* _MSC_VER */ 130 131/* Set defaults for constants which we cannot find. */ 132#if !defined(INT64_MAX) 133# define INT64_MAX 9223372036854775807LL 134#endif 135#if !defined(INT64_MIN) 136# define INT64_MIN ((-INT64_MAX)-1) 137#endif 138#if !defined(UINT64_MAX) 139# define UINT64_MAX 0xffffffffffffffffULL 140#endif 141 142#if __GNUC__ > 3 143#define END_WITH_NULL __attribute__((sentinel)) 144#else 145#define END_WITH_NULL 146#endif 147 148#ifndef HUGE_VALF 149#define HUGE_VALF (float)HUGE_VAL 150#endif 151 152#endif /* SUPPORT_DATATYPES_H */ 153