1 /* 2 ****************************************************************************** 3 * 4 * Copyright (C) 1997-2009, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 ****************************************************************************** 8 * 9 * FILE NAME : platform.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 ****************************************************************************** 17 */ 18 19 #ifndef _PLATFORM_H 20 #define _PLATFORM_H 21 22 /** 23 * \file 24 * \brief Basic types for the platform 25 */ 26 27 /* Define the platform we're on. */ 28 #ifndef U_DARWIN 29 #define U_DARWIN 30 #endif 31 32 #include <AvailabilityMacros.h> 33 34 /** 35 * \def U_HAVE_DIRENT_H 36 * Define whether dirent.h is available */ 37 #ifndef U_HAVE_DIRENT_H 38 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5 39 #define U_HAVE_DIRENT_H 0 40 #else 41 #define U_HAVE_DIRENT_H 1 42 #endif 43 #endif 44 45 /** Define whether inttypes.h is available */ 46 #ifndef U_HAVE_INTTYPES_H 47 #define U_HAVE_INTTYPES_H 1 48 #endif 49 50 /** 51 * Define what support for C++ streams is available. 52 * If U_IOSTREAM_SOURCE is set to 199711, then <iostream> is available 53 * (1997711 is the date the ISO/IEC C++ FDIS was published), and then 54 * one should qualify streams using the std namespace in ICU header 55 * files. 56 * If U_IOSTREAM_SOURCE is set to 198506, then <iostream.h> is 57 * available instead (198506 is the date when Stroustrup published 58 * "An Extensible I/O Facility for C++" at the summer USENIX conference). 59 * If U_IOSTREAM_SOURCE is 0, then C++ streams are not available and 60 * support for them will be silently suppressed in ICU. 61 * 62 */ 63 64 #ifndef U_IOSTREAM_SOURCE 65 #define U_IOSTREAM_SOURCE 199711 66 #endif 67 68 /** 69 * \def U_HAVE_STD_STRING 70 * Define whether the standard C++ (STL) <string> header is available. 71 * For platforms that do not use platform.h and do not define this constant 72 * in their platform-specific headers, std_string.h defaults 73 * U_HAVE_STD_STRING to 1. 74 * @draft ICU 4.2 75 */ 76 #ifndef U_HAVE_STD_STRING 77 #define U_HAVE_STD_STRING 1 78 #endif 79 80 /** @{ Determines whether specific types are available */ 81 #ifndef U_HAVE_INT8_T 82 #define U_HAVE_INT8_T 1 83 #endif 84 85 #ifndef U_HAVE_UINT8_T 86 #define U_HAVE_UINT8_T 1 87 #endif 88 89 #ifndef U_HAVE_INT16_T 90 #define U_HAVE_INT16_T 1 91 #endif 92 93 #ifndef U_HAVE_UINT16_T 94 #define U_HAVE_UINT16_T 1 95 #endif 96 97 #ifndef U_HAVE_INT32_T 98 #define U_HAVE_INT32_T 1 99 #endif 100 101 #ifndef U_HAVE_UINT32_T 102 #define U_HAVE_UINT32_T 1 103 #endif 104 105 #ifndef U_HAVE_INT64_T 106 #define U_HAVE_INT64_T 1 107 #endif 108 109 #ifndef U_HAVE_UINT64_T 110 #define U_HAVE_UINT64_T 1 111 #endif 112 113 /** @} */ 114 115 /*===========================================================================*/ 116 /** @{ Generic data types */ 117 /*===========================================================================*/ 118 119 #include <sys/types.h> 120 121 /* If your platform does not have the <inttypes.h> header, you may 122 need to edit the typedefs below. */ 123 #if U_HAVE_INTTYPES_H 124 125 /* autoconf 2.13 sometimes can't properly find the data types in <inttypes.h> */ 126 /* os/390 needs <inttypes.h>, but it doesn't have int8_t, and it sometimes */ 127 /* doesn't have uint8_t depending on the OS version. */ 128 /* So we have this work around. */ 129 #ifdef OS390 130 /* The features header is needed to get (u)int64_t sometimes. */ 131 #include <features.h> 132 #if ! U_HAVE_INT8_T 133 typedef signed char int8_t; 134 #endif 135 #if !defined(__uint8_t) 136 #define __uint8_t 1 137 typedef unsigned char uint8_t; 138 #endif 139 #endif /* OS390 */ 140 141 #include <inttypes.h> 142 143 #else /* U_HAVE_INTTYPES_H */ 144 145 #if ! U_HAVE_INT8_T 146 typedef signed char int8_t; 147 #endif 148 149 #if ! U_HAVE_UINT8_T 150 typedef unsigned char uint8_t; 151 #endif 152 153 #if ! U_HAVE_INT16_T 154 typedef signed short int16_t; 155 #endif 156 157 #if ! U_HAVE_UINT16_T 158 typedef unsigned short uint16_t; 159 #endif 160 161 #if ! U_HAVE_INT32_T 162 typedef signed int int32_t; 163 #endif 164 165 #if ! U_HAVE_UINT32_T 166 typedef unsigned int uint32_t; 167 #endif 168 169 #if ! U_HAVE_INT64_T 170 typedef signed long long int64_t; 171 /* else we may not have a 64-bit type */ 172 #endif 173 174 #if ! U_HAVE_UINT64_T 175 typedef unsigned long long uint64_t; 176 /* else we may not have a 64-bit type */ 177 #endif 178 179 #endif 180 181 /** @} */ 182 183 /*===========================================================================*/ 184 /** @{ Compiler and environment features */ 185 /*===========================================================================*/ 186 187 /* Define whether namespace is supported */ 188 #ifndef U_HAVE_NAMESPACE 189 #define U_HAVE_NAMESPACE 1 190 #endif 191 192 /* Determines the endianness of the platform 193 It's done this way in case multiple architectures are being built at once. 194 For example, Darwin supports fat binaries, which can be both PPC and x86 based. */ 195 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) 196 #define U_IS_BIG_ENDIAN (BYTE_ORDER == BIG_ENDIAN) 197 #else 198 #define U_IS_BIG_ENDIAN 0 199 #endif 200 201 /* 1 or 0 to enable or disable threads. If undefined, default is: enable threads. */ 202 #define ICU_USE_THREADS 1 203 204 /* On strong memory model CPUs (e.g. x86 CPUs), we use a safe & quick double check lock. */ 205 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) 206 #define UMTX_STRONG_MEMORY_MODEL 1 207 #endif 208 209 #ifndef U_DEBUG 210 #define U_DEBUG 0 211 #endif 212 213 #ifndef U_RELEASE 214 #define U_RELEASE 1 215 #endif 216 217 /* Determine whether to disable renaming or not. This overrides the 218 setting in umachine.h which is for all platforms. */ 219 #ifndef U_DISABLE_RENAMING 220 #define U_DISABLE_RENAMING 0 221 #endif 222 223 /* Determine whether to override new and delete. */ 224 #ifndef U_OVERRIDE_CXX_ALLOCATION 225 #define U_OVERRIDE_CXX_ALLOCATION 1 226 #endif 227 /* Determine whether to override placement new and delete for STL. */ 228 #ifndef U_HAVE_PLACEMENT_NEW 229 #define U_HAVE_PLACEMENT_NEW 1 230 #endif 231 232 /* Determine whether to enable tracing. */ 233 #ifndef U_ENABLE_TRACING 234 #define U_ENABLE_TRACING 0 235 #endif 236 237 /* Do we allow ICU users to use the draft APIs by default? */ 238 #ifndef U_DEFAULT_SHOW_DRAFT 239 #define U_DEFAULT_SHOW_DRAFT 1 240 #endif 241 242 /* Define the library suffix in a C syntax. */ 243 #define U_HAVE_LIB_SUFFIX 0 244 #define U_LIB_SUFFIX_C_NAME 245 #define U_LIB_SUFFIX_C_NAME_STRING "" 246 247 /** @} */ 248 249 /*===========================================================================*/ 250 /** @{ Character data types */ 251 /*===========================================================================*/ 252 253 #if ((defined(OS390) && (!defined(__CHARSET_LIB) || !__CHARSET_LIB))) || defined(OS400) 254 # define U_CHARSET_FAMILY 1 255 #endif 256 257 /** @} */ 258 259 /*===========================================================================*/ 260 /** @{ Information about wchar support */ 261 /*===========================================================================*/ 262 263 #ifndef U_HAVE_WCHAR_H 264 #define U_HAVE_WCHAR_H 1 265 #endif 266 267 #ifndef U_SIZEOF_WCHAR_T 268 #define U_SIZEOF_WCHAR_T 4 269 #endif 270 271 #ifndef U_HAVE_WCSCPY 272 #define U_HAVE_WCSCPY 1 273 #endif 274 275 /** @} */ 276 277 /** 278 * @{ 279 * \def U_DECLARE_UTF16 280 * Do not use this macro. Use the UNICODE_STRING or U_STRING_DECL macros 281 * instead. 282 * @internal 283 */ 284 #if 1 || defined(U_CHECK_UTF16_STRING) 285 #if (defined(__xlC__) && defined(__IBM_UTF_LITERAL) && U_SIZEOF_WCHAR_T != 2) \ 286 || (defined(__HP_aCC) && __HP_aCC >= 035000) \ 287 || (defined(__HP_cc) && __HP_cc >= 111106) 288 #define U_DECLARE_UTF16(string) u ## string 289 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550) 290 /* || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x580) */ 291 /* Sun's C compiler has issues with this notation, and it's unreliable. */ 292 #define U_DECLARE_UTF16(string) U ## string 293 #elif U_SIZEOF_WCHAR_T == 2 \ 294 && (U_CHARSET_FAMILY == 0 || ((defined(OS390) || defined(OS400)) && defined(__UCS2__))) 295 #define U_DECLARE_UTF16(string) L ## string 296 #endif 297 #endif 298 299 /** @} */ 300 301 /*===========================================================================*/ 302 /** @{ Information about POSIX support */ 303 /*===========================================================================*/ 304 305 #ifndef U_HAVE_NL_LANGINFO_CODESET 306 #define U_HAVE_NL_LANGINFO_CODESET 1 307 #endif 308 309 #ifndef U_NL_LANGINFO_CODESET 310 #define U_NL_LANGINFO_CODESET CODESET 311 #endif 312 313 #if 1 314 #define U_TZSET tzset 315 #endif 316 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5 317 #define U_TIMEZONE 0 318 #else 319 #define U_TIMEZONE timezone 320 #endif 321 #if 1 322 #define U_TZNAME tzname 323 #endif 324 325 #define U_HAVE_MMAP 1 326 #define U_HAVE_POPEN 1 327 328 /** @} */ 329 330 /*===========================================================================*/ 331 /** @{ Symbol import-export control */ 332 /*===========================================================================*/ 333 334 #if 1 335 /* Chrome-local change: on the Mac, ICU is exclusively used as a static 336 * library, and nothing should ever be marked with default visibility. 337 * Defining U_STATIC_IMPLEMENTATION handles most of this, but unfortunately 338 * C functions declared with U_CAPI (defined in umachine.h) will still use 339 * the definition of U_EXPORT. */ 340 #define U_EXPORT 341 #elif 0 342 #define U_EXPORT __attribute__((visibility("default"))) 343 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550) \ 344 || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x550) 345 #define U_EXPORT __global 346 /*#elif defined(__HP_aCC) || defined(__HP_cc) 347 #define U_EXPORT __declspec(dllexport)*/ 348 #else 349 #define U_EXPORT 350 #endif 351 352 /* U_CALLCONV is releated to U_EXPORT2 */ 353 #define U_EXPORT2 354 355 /* cygwin needs to export/import data */ 356 #ifdef U_CYGWIN 357 #define U_IMPORT __declspec(dllimport) 358 #else 359 #define U_IMPORT 360 #endif 361 362 /* @} */ 363 364 /*===========================================================================*/ 365 /** @{ Code alignment and C function inlining */ 366 /*===========================================================================*/ 367 368 #ifndef U_INLINE 369 # ifdef __cplusplus 370 # define U_INLINE inline 371 # else 372 # define U_INLINE __inline__ 373 # endif 374 #endif 375 376 #ifndef U_ALIGN_CODE 377 #define U_ALIGN_CODE(n) 378 #endif 379 380 /** @} */ 381 382 /*===========================================================================*/ 383 /** @{ Programs used by ICU code */ 384 /*===========================================================================*/ 385 386 /** 387 * \def U_MAKE 388 * What program to execute to run 'make' 389 */ 390 #ifndef U_MAKE 391 #define U_MAKE "/usr/bin/gnumake" 392 #endif 393 394 /** @} */ 395 396 /*===========================================================================*/ 397 /* Local defines */ 398 /*===========================================================================*/ 399 400 /* On the Mac, we define U_WCHAR_IS_UTF32 to treat wchar_t as though it 401 contains UTF-32 at all times. Strictly speaking, that's not entirely 402 correct given the Mac's libc, but provided that we ignore libc's locale 403 support (by not calling setlocale) and its multibyte string support, this 404 should be fine. Our codebase makes enough other assumptions about a UTF-8 405 locale and UTF-32 wchar_t strings for this to make sense. */ 406 #define U_WCHAR_IS_UTF32 407 408 #endif 409
