1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4******************************************************************************
5*
6* Copyright (C) 1997-2012, International Business Machines
7* Corporation and others. All Rights Reserved.
8*
9******************************************************************************
10*
11* FILE NAME : ptypes.h
12*
13* Date Name Description
14* 05/13/98 nos Creation (content moved here from ptypes.h).
15* 03/02/99 stephen Added AS400 support.
16* 03/30/99 stephen Added Linux support.
17* 04/13/99 stephen Reworked for autoconf.
18* 09/18/08 srl Moved basic types back to ptypes.h from platform.h
19******************************************************************************
20*/
21
22/**
23 * \file
24 * \brief C API: Definitions of integer types of various widths
25 */
26
27#ifndef _PTYPES_H
28#define _PTYPES_H
29
30/**
31 * \def __STDC_LIMIT_MACROS
32 * According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations
33 * macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested.
34 * We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code
35 * that uses such limit macros.
36 * @internal
37 */
38#ifndef __STDC_LIMIT_MACROS
39#define __STDC_LIMIT_MACROS
40#endif
41
42/* NULL, size_t, wchar_t */
43#include <stddef.h>
44
45/*
46 * If all compilers provided all of the C99 headers and types,
47 * we would just unconditionally #include <stdint.h> here
48 * and not need any of the stuff after including platform.h.
49 */
50
51/* Find out if we have stdint.h etc. */
52#include "unicode/platform.h"
53
54/*===========================================================================*/
55/* Generic data types */
56/*===========================================================================*/
57
58/* If your platform does not have the <stdint.h> header, you may
59 need to edit the typedefs in the #else section below.
60 Use #if...#else...#endif with predefined compiler macros if possible. */
61#if U_HAVE_STDINT_H
62
63/*
64 * We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>.
65 * <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc.
66 * which we almost never use, plus stuff like imaxabs() which we never use.
67 */
68#include <stdint.h>
69
70#if U_PLATFORM == U_PF_OS390
71/* The features header is needed to get (u)int64_t sometimes. */
72#include <features.h>
73/* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */
74#if !defined(__uint8_t)
75#define __uint8_t 1
76typedef unsigned char uint8_t;
77#endif
78#endif /* U_PLATFORM == U_PF_OS390 */
79
80#elif U_HAVE_INTTYPES_H
81
82# include <inttypes.h>
83
84#else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */
85
86#if ! U_HAVE_INT8_T
87typedef signed char int8_t;
88#endif
89
90#if ! U_HAVE_UINT8_T
91typedef unsigned char uint8_t;
92#endif
93
94#if ! U_HAVE_INT16_T
95typedef signed short int16_t;
96#endif
97
98#if ! U_HAVE_UINT16_T
99typedef unsigned short uint16_t;
100#endif
101
102#if ! U_HAVE_INT32_T
103typedef signed int int32_t;
104#endif
105
106#if ! U_HAVE_UINT32_T
107typedef unsigned int uint32_t;
108#endif
109
110#if ! U_HAVE_INT64_T
111#ifdef _MSC_VER
112 typedef signed __int64 int64_t;
113#else
114 typedef signed long long int64_t;
115#endif
116#endif
117
118#if ! U_HAVE_UINT64_T
119#ifdef _MSC_VER
120 typedef unsigned __int64 uint64_t;
121#else
122 typedef unsigned long long uint64_t;
123#endif
124#endif
125
126#endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */
127
128#endif /* _PTYPES_H */
129