130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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******************************************************************************
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*
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* Copyright (C) 1997-2012, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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******************************************************************************
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*
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* FILE NAME : ptypes.h
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*
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* Date Name Description
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* 05/13/98 nos Creation (content moved here from ptypes.h).
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* 03/02/99 stephen Added AS400 support.
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* 03/30/99 stephen Added Linux support.
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* 04/13/99 stephen Reworked for autoconf.
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* 09/18/08 srl Moved basic types back to ptypes.h from platform.h
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******************************************************************************
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*/
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/**
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* \file
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* \brief C API: Definitions of integer types of various widths
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*/
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#ifndef _PTYPES_H
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#define _PTYPES_H
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/**
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* \def __STDC_LIMIT_MACROS
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* According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations
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* macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested.
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* We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code
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* that uses such limit macros.
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* @internal
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*/
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS
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#endif
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/* NULL, size_t, wchar_t */
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#include <stddef.h>
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/*
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* If all compilers provided all of the C99 headers and types,
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* we would just unconditionally #include <stdint.h> here
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* and not need any of the stuff after including platform.h.
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*/
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/* Find out if we have stdint.h etc. */
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#include "unicode/platform.h"
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/*===========================================================================*/
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/* Generic data types */
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/*===========================================================================*/
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/* If your platform does not have the <stdint.h> header, you may
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need to edit the typedefs in the #else section below.
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Use #if...#else...#endif with predefined compiler macros if possible. */
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#if U_HAVE_STDINT_H
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/*
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* We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>.
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* <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc.
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* which we almost never use, plus stuff like imaxabs() which we never use.
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*/
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#include <stdint.h>
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#if U_PLATFORM == U_PF_OS390
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/* The features header is needed to get (u)int64_t sometimes. */
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#include <features.h>
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/* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */
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#if !defined(__uint8_t)
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#define __uint8_t 1
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typedef unsigned char uint8_t;
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#endif
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#endif /* U_PLATFORM == U_PF_OS390 */
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#elif U_HAVE_INTTYPES_H
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# include <inttypes.h>
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#else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */
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/// \cond
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#if ! U_HAVE_INT8_T
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typedef signed char int8_t;
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#endif
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#if ! U_HAVE_UINT8_T
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typedef unsigned char uint8_t;
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#endif
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#if ! U_HAVE_INT16_T
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typedef signed short int16_t;
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#endif
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#if ! U_HAVE_UINT16_T
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typedef unsigned short uint16_t;
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#endif
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#if ! U_HAVE_INT32_T
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typedef signed int int32_t;
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#endif
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#if ! U_HAVE_UINT32_T
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typedef unsigned int uint32_t;
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#endif
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#if ! U_HAVE_INT64_T
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#ifdef _MSC_VER
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typedef signed __int64 int64_t;
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#else
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typedef signed long long int64_t;
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#endif
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#endif
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#if ! U_HAVE_UINT64_T
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#ifdef _MSC_VER
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typedef unsigned __int64 uint64_t;
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#else
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typedef unsigned long long uint64_t;
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#endif
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#endif
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/// \endcond
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#endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */
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#endif /* _PTYPES_H */
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