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