LLVM API Documentation

System/DataTypes.h
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00001 /* include/llvm/System/DataTypes.h.  Generated from DataTypes.h.in by configure.  */
00002 /*===-- include/System/DataTypes.h - Define fixed size types -----*- C -*-===*\
00003 |*                                                                            *|
00004 |*                     The LLVM Compiler Infrastructure                       *|
00005 |*                                                                            *|
00006 |* This file is distributed under the University of Illinois Open Source      *|
00007 |* License. See LICENSE.TXT for details.                                      *|
00008 |*                                                                            *|
00009 |*===----------------------------------------------------------------------===*|
00010 |*                                                                            *|
00011 |* This file contains definitions to figure out the size of _HOST_ data types.*|
00012 |* This file is important because different host OS's define different macros,*|
00013 |* which makes portability tough.  This file exports the following            *|
00014 |* definitions:                                                               *|
00015 |*                                                                            *|
00016 |*   [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*|
00017 |*   [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values.     *|
00018 |*                                                                            *|
00019 |* No library is required when using these functions.                         *|
00020 |*                                                                            *|
00021 |*===----------------------------------------------------------------------===*/
00022 
00023 /* Please leave this file C-compatible. */
00024 
00025 #ifndef SUPPORT_DATATYPES_H
00026 #define SUPPORT_DATATYPES_H
00027 
00028 #define HAVE_SYS_TYPES_H 1
00029 #define HAVE_INTTYPES_H 1
00030 #define HAVE_STDINT_H 1
00031 #define HAVE_UINT64_T 1
00032 /* #undef HAVE_U_INT64_T */
00033 
00034 #ifdef __cplusplus
00035 #include <cmath>
00036 #else
00037 #include <math.h>
00038 #endif
00039 
00040 /* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
00041    being defined.  We would define it here, but in order to prevent Bad Things
00042    happening when system headers or C++ STL headers include stdint.h before we
00043    define it here, we define it on the g++ command line (in Makefile.rules). */
00044 #if !defined(__STDC_LIMIT_MACROS)
00045 # error "Must #define __STDC_LIMIT_MACROS before #including System/DataTypes.h"
00046 #endif
00047 
00048 #if !defined(__STDC_CONSTANT_MACROS)
00049 # error "Must #define __STDC_CONSTANT_MACROS before " \
00050         "#including System/DataTypes.h"
00051 #endif
00052 
00053 /* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
00054 #ifdef HAVE_SYS_TYPES_H
00055 #include <sys/types.h>
00056 #endif
00057 
00058 #ifdef HAVE_INTTYPES_H
00059 #include <inttypes.h>
00060 #endif
00061 
00062 #ifdef HAVE_STDINT_H
00063 #include <stdint.h>
00064 #endif
00065 
00066 #ifdef _AIX
00067 #include "llvm/System/AIXDataTypesFix.h"
00068 #endif
00069 
00070 /* Handle incorrect definition of uint64_t as u_int64_t */
00071 #ifndef HAVE_UINT64_T
00072 #ifdef HAVE_U_INT64_T
00073 typedef u_int64_t uint64_t;
00074 #else
00075 # error "Don't have a definition for uint64_t on this platform"
00076 #endif
00077 #endif
00078 
00079 #ifdef _OpenBSD_
00080 #define INT8_MAX 127
00081 #define INT8_MIN -128
00082 #define UINT8_MAX 255
00083 #define INT16_MAX 32767
00084 #define INT16_MIN -32768
00085 #define UINT16_MAX 65535
00086 #define INT32_MAX 2147483647
00087 #define INT32_MIN -2147483648
00088 #define UINT32_MAX 4294967295U
00089 #endif
00090 
00091 /* Set defaults for constants which we cannot find. */
00092 #if !defined(INT64_MAX)
00093 # define INT64_MAX 9223372036854775807LL
00094 #endif
00095 #if !defined(INT64_MIN)
00096 # define INT64_MIN ((-INT64_MAX)-1)
00097 #endif
00098 #if !defined(UINT64_MAX)
00099 # define UINT64_MAX 0xffffffffffffffffULL
00100 #endif
00101 
00102 #if __GNUC__ > 3
00103 #define END_WITH_NULL __attribute__((sentinel))
00104 #else
00105 #define END_WITH_NULL
00106 #endif
00107 
00108 #ifndef HUGE_VALF
00109 #define HUGE_VALF (float)HUGE_VAL
00110 #endif
00111 
00112 #endif  /* SUPPORT_DATATYPES_H */