icuSources/common/unicode/ptypes.h

   1 /*
   2 ******************************************************************************
   3 *
   4 *   Copyright (C) 1997-2011, 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 #ifndef _PTYPES_H
  21 #define _PTYPES_H
  22
  23 /**
  24  * \def __STDC_LIMIT_MACROS
  25  * According to the Linux stdint.h, the ISO C99 standard specifies that in C++ implementations
  26  * macros like INT32_MIN and UINTPTR_MAX should only be defined if explicitly requested.
  27  * We need to define __STDC_LIMIT_MACROS before including stdint.h in C++ code
  28  * that uses such limit macros.
  29  * @internal
  30  */
  31 #ifndef __STDC_LIMIT_MACROS
  32 #define __STDC_LIMIT_MACROS
  33 #endif
  34
  35 /* NULL, size_t, wchar_t */
  36 #include <stddef.h>
  37
  38 /*
  39  * If all compilers provided all of the C99 headers and types,
  40  * we would just unconditionally #include <stdint.h> here
  41  * and not need any of the stuff after including platform.h.
  42  */
  43
  44 /* Find out if we have stdint.h etc. */
  45 #include "unicode/platform.h"
  46
  47 /*===========================================================================*/
  48 /* Generic data types                                                        */
  49 /*===========================================================================*/
  50
  51 /* If your platform does not have the <stdint.h> header, you may
  52    need to edit the typedefs in the #else section below.
  53    Use #if...#else...#endif with predefined compiler macros if possible. */
  54 #if U_HAVE_STDINT_H
  55
  56 /*
  57  * We mostly need <stdint.h> (which defines the standard integer types) but not <inttypes.h>.
  58  * <inttypes.h> includes <stdint.h> and adds the printf/scanf helpers PRId32, SCNx16 etc.
  59  * which we almost never use, plus stuff like imaxabs() which we never use.
  60  */
  61 #include <stdint.h>
  62
  63 #if U_PLATFORM == U_PF_OS390
  64 /* The features header is needed to get (u)int64_t sometimes. */
  65 #include <features.h>
  66 /* z/OS has <stdint.h>, but some versions are missing uint8_t (APAR PK62248). */
  67 #if !defined(__uint8_t)
  68 #define __uint8_t 1
  69 typedef unsigned char uint8_t;
  70 #endif
  71 #endif /* U_PLATFORM == U_PF_OS390 */
  72
  73 #elif U_HAVE_INTTYPES_H
  74
  75 #   include <inttypes.h>
  76
  77 #else /* neither U_HAVE_STDINT_H nor U_HAVE_INTTYPES_H */
  78
  79 #if ! U_HAVE_INT8_T
  80 typedef signed char int8_t;
  81 #endif
  82
  83 #if ! U_HAVE_UINT8_T
  84 typedef unsigned char uint8_t;
  85 #endif
  86
  87 #if ! U_HAVE_INT16_T
  88 typedef signed short int16_t;
  89 #endif
  90
  91 #if ! U_HAVE_UINT16_T
  92 typedef unsigned short uint16_t;
  93 #endif
  94
  95 #if ! U_HAVE_INT32_T
  96 typedef signed int int32_t;
  97 #endif
  98
  99 #if ! U_HAVE_UINT32_T
 100 typedef unsigned int uint32_t;
 101 #endif
 102
 103 #if ! U_HAVE_INT64_T
 104 #ifdef _MSC_VER
 105     typedef signed __int64 int64_t;
 106 #else
 107     typedef signed long long int64_t;
 108 #endif
 109 #endif
 110
 111 #if ! U_HAVE_UINT64_T
 112 #ifdef _MSC_VER
 113     typedef unsigned __int64 uint64_t;
 114 #else
 115     typedef unsigned long long uint64_t;
 116 #endif
 117 #endif
 118
 119 #endif /* U_HAVE_STDINT_H / U_HAVE_INTTYPES_H */
 120
 121 #endif /* _PTYPES_H */