ICU 74.1 74.1

ptypes.h
Go to the documentation of this file.
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
27 #ifndef _PTYPES_H
28 #define _PTYPES_H
29
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
76 typedef 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
87 #if ! U_HAVE_INT8_T
88 typedef signed char int8_t;
89 #endif
90
91 #if ! U_HAVE_UINT8_T
92 typedef unsigned char uint8_t;
93 #endif
94
95 #if ! U_HAVE_INT16_T
96 typedef signed short int16_t;
97 #endif
98
99 #if ! U_HAVE_UINT16_T
100 typedef unsigned short uint16_t;
101 #endif
102
103 #if ! U_HAVE_INT32_T
104 typedef signed int int32_t;
105 #endif
106
107 #if ! U_HAVE_UINT32_T
108 typedef unsigned int uint32_t;
109 #endif
110
111 #if ! U_HAVE_INT64_T
112 #ifdef _MSC_VER
113 typedef signed __int64 int64_t;
114 #else
115 typedef signed long long int64_t;
116 #endif
117 #endif
118
119 #if ! U_HAVE_UINT64_T
120 #ifdef _MSC_VER
121 typedef unsigned __int64 uint64_t;
122 #else
123 typedef unsigned long long uint64_t;
124 #endif
125 #endif
127
128 #endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */
129
130 #endif /* _PTYPES_H */
platform.h
Basic types for the platform.