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DataTypes.h. So far, it doesn't seem to break Linux, Solaris, or MacOS X. This should automatically include it for those people who need it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15006 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
//===-- include/Support/DataTypes.h - Define fixed size types ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains definitions to figure out the size of _HOST_ data types.
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// This file is important because different host OS's define different macros,
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// which makes portability tough. This file exports the following definitions:
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//
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// [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types
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// [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values.
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//
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// No library is required when using these functinons.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SUPPORT_DATATYPES_H
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#define SUPPORT_DATATYPES_H
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// Note that this header's correct operation depends on __STDC_LIMIT_MACROS
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// being defined. We would define it here, but in order to prevent Bad Things
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// happening when system headers or C++ STL headers include stdint.h before
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// we define it here, we define it on the g++ command line (in Makefile.rules).
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#if !defined(__STDC_LIMIT_MACROS)
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# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
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#endif
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#ifndef _MSC_VER
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// Note that <inttypes.h> includes <stdint.h>, if this is a C99 system.
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@INCLUDE_INTTYPES_H@
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@INCLUDE_SYS_TYPES_H@
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@INCLUDE_STDINT_H@
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#else
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// Visual C++ doesn't provide standard integer headers, but it does provide
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// built-in data types.
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typedef __int64 int64_t;
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typedef unsigned __int64 uint64_t;
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typedef signed int int32_t;
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typedef unsigned int uint32_t;
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typedef signed int ssize_t;
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#define INT8_MAX 127
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#define INT8_MIN -128
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#define UINT8_MAX 255
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#define INT16_MAX 32767
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#define INT16_MIN -32768
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#define UINT16_MAX 65535
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#define INT32_MAX 2147483647
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#define INT32_MIN -2147483648
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#define UINT32_MAX 4294967295U
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#endif
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#if !defined(INT64_MAX)
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/* We couldn't determine INT64_MAX; default it. */
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# define INT64_MAX 9223372036854775807LL
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#endif
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#if !defined(UINT64_MAX)
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# define UINT64_MAX 0xffffffffffffffffULL
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#endif
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#endif /* SUPPORT_DATATYPES_H */
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