1 /*===-- include/Support/DataTypes.h - Define fixed size types -----*- C -*-===*\
3 |* The LLVM Compiler Infrastructure *|
5 |* This file is distributed under the University of Illinois Open Source *|
6 |* License. See LICENSE.TXT for details. *|
8 |*===----------------------------------------------------------------------===*|
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 *|
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. *|
18 |* No library is required when using these functions. *|
20 |*===----------------------------------------------------------------------===*/
22 /* Please leave this file C-compatible. */
24 /* Please keep this file in sync with DataTypes.h.cmake */
26 #ifndef SUPPORT_DATATYPES_H
27 #define SUPPORT_DATATYPES_H
29 #undef HAVE_INTTYPES_H
42 /* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
43 being defined. We would define it here, but in order to prevent Bad Things
44 happening when system headers or C++ STL headers include stdint.h before we
45 define it here, we define it on the g++ command line (in Makefile.rules). */
46 #if !defined(__STDC_LIMIT_MACROS)
47 # error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
50 #if !defined(__STDC_CONSTANT_MACROS)
51 # error "Must #define __STDC_CONSTANT_MACROS before " \
52 "#including Support/DataTypes.h"
55 /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
56 #include <sys/types.h>
58 #ifdef HAVE_INTTYPES_H
67 #include "llvm/Support/AIXDataTypesFix.h"
70 /* Handle incorrect definition of uint64_t as u_int64_t */
73 typedef u_int64_t uint64_t;
75 # error "Don't have a definition for uint64_t on this platform"
80 /* Visual C++ doesn't provide standard integer headers, but it does provide
81 built-in data types. */
84 #include <sys/types.h>
90 typedef __int64 int64_t;
91 typedef unsigned __int64 uint64_t;
92 typedef signed int int32_t;
93 typedef unsigned int uint32_t;
94 typedef short int16_t;
95 typedef unsigned short uint16_t;
96 typedef signed char int8_t;
97 typedef unsigned char uint8_t;
99 typedef signed __int64 ssize_t;
101 typedef signed int ssize_t;
105 # define INT8_MAX 127
108 # define INT8_MIN -128
111 # define UINT8_MAX 255
114 # define INT16_MAX 32767
117 # define INT16_MIN -32768
120 # define UINT16_MAX 65535
123 # define INT32_MAX 2147483647
126 /* MSC treats -2147483648 as -(2147483648U). */
127 # define INT32_MIN (-INT32_MAX - 1)
130 # define UINT32_MAX 4294967295U
132 /* Certain compatibility updates to VC++ introduce the `cstdint'
133 * header, which defines the INT*_C macros. On default installs they
136 # define INT8_C(C) C##i8
139 # define UINT8_C(C) C##ui8
142 # define INT16_C(C) C##i16
145 # define UINT16_C(C) C##ui16
148 # define INT32_C(C) C##i32
151 # define UINT32_C(C) C##ui32
154 # define INT64_C(C) C##i64
157 # define UINT64_C(C) C##ui64
161 # define PRId64 "I64d"
164 # define PRIi64 "I64i"
167 # define PRIo64 "I64o"
170 # define PRIu64 "I64u"
173 # define PRIx64 "I64x"
176 # define PRIX64 "I64X"
179 #endif /* _MSC_VER */
181 /* Set defaults for constants which we cannot find. */
182 #if !defined(INT64_MAX)
183 # define INT64_MAX 9223372036854775807LL
185 #if !defined(INT64_MIN)
186 # define INT64_MIN ((-INT64_MAX)-1)
188 #if !defined(UINT64_MAX)
189 # define UINT64_MAX 0xffffffffffffffffULL
193 #define END_WITH_NULL __attribute__((sentinel))
195 #define END_WITH_NULL
199 #define HUGE_VALF (float)HUGE_VAL
202 #endif /* SUPPORT_DATATYPES_H */