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 functions. *| 19 |* *| 20 |*===----------------------------------------------------------------------===*/ 21 22 /* Please leave this file C-compatible. */ 23 24 #ifndef SUPPORT_DATATYPES_H 25 #define SUPPORT_DATATYPES_H 26 27 #define HAVE_INTTYPES_H 1 28 #define HAVE_STDINT_H 1 29 #define HAVE_UINT64_T 1 30 #define HAVE_U_INT64_T 1 31 32 #ifdef __cplusplus 33 #include <cmath> 34 #else 35 #include <math.h> 36 #endif 37 38 #ifdef __cplusplus 39 #include <cinttypes> 40 #else 41 #ifdef HAVE_INTTYPES_H 42 #include <inttypes.h> 43 #endif 44 #endif 45 46 #ifdef __cplusplus 47 #include <cstdint> 48 #else 49 #ifdef HAVE_STDINT_H 50 #include <stdint.h> 51 #else 52 #error "Compiler must provide an implementation of stdint.h" 53 #endif 54 #endif 55 56 #ifndef _MSC_VER 57 58 #if !defined(UINT32_MAX) 59 # error "The standard header <cstdint> is not C++11 compliant. Must #define "\ 60 "__STDC_LIMIT_MACROS before #including Support/DataTypes.h" 61 #endif 62 63 #if !defined(UINT32_C) 64 # error "The standard header <cstdint> is not C++11 compliant. Must #define "\ 65 "__STDC_CONSTANT_MACROS before #including Support/DataTypes.h" 66 #endif 67 68 /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */ 69 #include <sys/types.h> 70 71 #ifdef _AIX 72 // GCC is strict about defining large constants: they must have LL modifier. 73 #undef INT64_MAX 74 #undef INT64_MIN 75 #endif 76 77 /* Handle incorrect definition of uint64_t as u_int64_t */ 78 #ifndef HAVE_UINT64_T 79 #ifdef HAVE_U_INT64_T 80 typedef u_int64_t uint64_t; 81 #else 82 # error "Don't have a definition for uint64_t on this platform" 83 #endif 84 #endif 85 86 #else /* _MSC_VER */ 87 #ifdef __cplusplus 88 #include <cstdlib> 89 #include <cstddef> 90 #else 91 #include <stdlib.h> 92 #include <stddef.h> 93 #endif 94 #include <sys/types.h> 95 96 #if defined(_WIN64) 97 typedef signed __int64 ssize_t; 98 #else 99 typedef signed int ssize_t; 100 #endif /* _WIN64 */ 101 102 #ifndef HAVE_INTTYPES_H 103 #define PRId64 "I64d" 104 #define PRIi64 "I64i" 105 #define PRIo64 "I64o" 106 #define PRIu64 "I64u" 107 #define PRIx64 "I64x" 108 #define PRIX64 "I64X" 109 110 #define PRId32 "d" 111 #define PRIi32 "i" 112 #define PRIo32 "o" 113 #define PRIu32 "u" 114 #define PRIx32 "x" 115 #define PRIX32 "X" 116 #endif /* HAVE_INTTYPES_H */ 117 118 #endif /* _MSC_VER */ 119 120 /* Set defaults for constants which we cannot find. */ 121 #if !defined(INT64_MAX) 122 # define INT64_MAX 9223372036854775807LL 123 #endif 124 #if !defined(INT64_MIN) 125 # define INT64_MIN ((-INT64_MAX)-1) 126 #endif 127 #if !defined(UINT64_MAX) 128 # define UINT64_MAX 0xffffffffffffffffULL 129 #endif 130 131 #ifndef HUGE_VALF 132 #define HUGE_VALF (float)HUGE_VAL 133 #endif 134 135 #endif /* SUPPORT_DATATYPES_H */ 136
