//===-- 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 includes , 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 */