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 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 86 #if ! U_HAVE_INT8_T 87 typedef signed char int8_t; 88 #endif 89 90 #if ! U_HAVE_UINT8_T 91 typedef unsigned char uint8_t; 92 #endif 93 94 #if ! U_HAVE_INT16_T 95 typedef signed short int16_t; 96 #endif 97 98 #if ! U_HAVE_UINT16_T 99 typedef unsigned short uint16_t; 100 #endif 101 102 #if ! U_HAVE_INT32_T 103 typedef signed int int32_t; 104 #endif 105 106 #if ! U_HAVE_UINT32_T 107 typedef 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