1 // © 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 4 ****************************************************************************** 6 * Copyright (C) 1997-2016, International Business Machines 7 * Corporation and others. All Rights Reserved. 9 ****************************************************************************** 11 * FILE NAME : platform.h 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 ****************************************************************************** 61 * Problem: "platform.h:335: warning: documentation for unknown define U_HAVE_STD_STRING found." means that U_HAVE_STD_STRING is not documented. 62 * Solution: #define any defines for non @internal API here, so that they are visible in the docs. If you just set PREDEFINED in Doxyfile.in, they won't be documented. 89 #define U_PF_UNKNOWN 0 91 #define U_PF_WINDOWS 1000 93 #define U_PF_MINGW 1800 99 #define U_PF_CYGWIN 1900 100 /* Reserve 2000 for U_PF_UNIX? */ 102 #define U_PF_HPUX 2100 104 #define U_PF_SOLARIS 2600 106 #define U_PF_BSD 3000 108 #define U_PF_AIX 3100 110 #define U_PF_IRIX 3200 119 #define U_PF_DARWIN 3500 121 #define U_PF_IPHONE 3550 123 #define U_PF_QNX 3700 125 #define U_PF_LINUX 4000 132 #define U_PF_BROWSER_NATIVE_CLIENT 4020 134 #define U_PF_ANDROID 4050 136 #define U_PF_HAIKU 4080 138 #define U_PF_FUCHSIA 4100 139 /* Maximum value for Linux-based platform is 4499 */ 147 #define U_PF_EMSCRIPTEN 5010 149 #define U_PF_OS390 9000 151 #define U_PF_OS400 9400 154 /* Use the predefined value. */ 155 #elif defined(__MINGW32__) 156 # define U_PLATFORM U_PF_MINGW 157 #elif defined(__CYGWIN__) 158 # define U_PLATFORM U_PF_CYGWIN 159 /* Cygwin uchar.h doesn't exist until Cygwin 3.5. */ 160 # include <cygwin/version.h> 161 #elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) 162 # define U_PLATFORM U_PF_WINDOWS 163 #elif defined(__ANDROID__) 164 # define U_PLATFORM U_PF_ANDROID 165 /* Android wchar_t support depends on the API level. */ 166 # include <android/api-level.h> 167 #elif defined(__pnacl__) || defined(__native_client__) 168 # define U_PLATFORM U_PF_BROWSER_NATIVE_CLIENT 169 #elif defined(__Fuchsia__) 170 # define U_PLATFORM U_PF_FUCHSIA 171 #elif defined(linux) || defined(__linux__) || defined(__linux) 172 # define U_PLATFORM U_PF_LINUX 173 #elif defined(__APPLE__) && defined(__MACH__) 174 # include <TargetConditionals.h> 175 # if (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) && (defined(TARGET_OS_MACCATALYST) && !TARGET_OS_MACCATALYST)/* variant of TARGET_OS_MAC */ 176 # define U_PLATFORM U_PF_IPHONE 178 # define U_PLATFORM U_PF_DARWIN 180 #elif defined(BSD) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__MirBSD__) 181 # if defined(__FreeBSD__) 182 # include <sys/endian.h> 184 # define U_PLATFORM U_PF_BSD 185 #elif defined(sun) || defined(__sun) 186 /* Check defined(__SVR4) || defined(__svr4__) to distinguish Solaris from SunOS? */ 187 # define U_PLATFORM U_PF_SOLARIS 188 # if defined(__GNUC__) 189 /* Solaris/GCC needs this header file to get the proper endianness. Normally, this 190 * header file is included with stddef.h but on Solairs/GCC, the GCC version of stddef.h 191 * is included which does not include this header file. 193 # include <sys/isa_defs.h> 195 #elif defined(_AIX) || defined(__TOS_AIX__) 196 # define U_PLATFORM U_PF_AIX 197 #elif defined(_hpux) || defined(hpux) || defined(__hpux) 198 # define U_PLATFORM U_PF_HPUX 199 #elif defined(sgi) || defined(__sgi) 200 # define U_PLATFORM U_PF_IRIX 201 #elif defined(__QNX__) || defined(__QNXNTO__) 202 # define U_PLATFORM U_PF_QNX 203 #elif defined(__TOS_MVS__) 204 # define U_PLATFORM U_PF_OS390 205 #elif defined(__OS400__) || defined(__TOS_OS400__) 206 # define U_PLATFORM U_PF_OS400 207 #elif defined(__HAIKU__) 208 # define U_PLATFORM U_PF_HAIKU 209 #elif defined(__EMSCRIPTEN__) 210 # define U_PLATFORM U_PF_EMSCRIPTEN 212 # define U_PLATFORM U_PF_UNKNOWN 222 #if (defined(_MSC_VER) && !(defined(__clang__) && __clang__)) || defined(U_IN_DOXYGEN) 232 /* Commented out because this is already set in mh-cygwin-msvc 233 #if U_PLATFORM == U_PF_CYGWIN && defined(_MSC_VER) 247 #ifdef U_PLATFORM_USES_ONLY_WIN32_API 248 /* Use the predefined value. */ 249 #elif (U_PF_WINDOWS <= U_PLATFORM && U_PLATFORM <= U_PF_MINGW) || defined(CYGWINMSVC) 250 # define U_PLATFORM_USES_ONLY_WIN32_API 1 252 /* Cygwin implements POSIX. */ 253 # define U_PLATFORM_USES_ONLY_WIN32_API 0 262 #ifdef U_PLATFORM_HAS_WIN32_API 263 /* Use the predefined value. */ 264 #elif U_PF_WINDOWS <= U_PLATFORM && U_PLATFORM <= U_PF_CYGWIN 265 # define U_PLATFORM_HAS_WIN32_API 1 267 # define U_PLATFORM_HAS_WIN32_API 0 276 #ifdef U_PLATFORM_HAS_WINUWP_API 277 /* Use the predefined value. */ 279 # define U_PLATFORM_HAS_WINUWP_API 0 288 #ifdef U_PLATFORM_IMPLEMENTS_POSIX 289 /* Use the predefined value. */ 290 #elif U_PLATFORM_USES_ONLY_WIN32_API 291 # define U_PLATFORM_IMPLEMENTS_POSIX 0 293 # define U_PLATFORM_IMPLEMENTS_POSIX 1 301 #ifdef U_PLATFORM_IS_LINUX_BASED 302 /* Use the predefined value. */ 303 #elif U_PF_LINUX <= U_PLATFORM && U_PLATFORM <= 4499 304 # define U_PLATFORM_IS_LINUX_BASED 1 306 # define U_PLATFORM_IS_LINUX_BASED 0 314 #ifdef U_PLATFORM_IS_DARWIN_BASED 315 /* Use the predefined value. */ 316 #elif U_PF_DARWIN <= U_PLATFORM && U_PLATFORM <= U_PF_IPHONE 317 # define U_PLATFORM_IS_DARWIN_BASED 1 319 # define U_PLATFORM_IS_DARWIN_BASED 0 322 /*===========================================================================*/ 324 /*===========================================================================*/ 337 # define U_GCC_MAJOR_MINOR (__GNUC__ * 100 + __GNUC_MINOR__) 339 # define U_GCC_MAJOR_MINOR 0 347 #ifdef U_IS_BIG_ENDIAN 348 /* Use the predefined value. */ 349 #elif defined(BYTE_ORDER) && defined(BIG_ENDIAN) 350 # define U_IS_BIG_ENDIAN (BYTE_ORDER == BIG_ENDIAN) 351 #elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) 353 # define U_IS_BIG_ENDIAN (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 354 #elif defined(__BIG_ENDIAN__) || defined(_BIG_ENDIAN) 355 # define U_IS_BIG_ENDIAN 1 356 #elif defined(__LITTLE_ENDIAN__) || defined(_LITTLE_ENDIAN) 357 # define U_IS_BIG_ENDIAN 0 358 #elif U_PLATFORM == U_PF_OS390 || U_PLATFORM == U_PF_OS400 || defined(__s390__) || defined(__s390x__) 359 /* These platforms do not appear to predefine any endianness macros. */ 360 # define U_IS_BIG_ENDIAN 1 361 #elif defined(_PA_RISC1_0) || defined(_PA_RISC1_1) || defined(_PA_RISC2_0) 362 /* HPPA do not appear to predefine any endianness macros. */ 363 # define U_IS_BIG_ENDIAN 1 364 #elif defined(sparc) || defined(__sparc) || defined(__sparc__) 365 /* Some sparc based systems (e.g. Linux) do not predefine any endianness macros. */ 366 # define U_IS_BIG_ENDIAN 1 368 # define U_IS_BIG_ENDIAN 0 376 #ifdef U_HAVE_PLACEMENT_NEW 377 /* Use the predefined value. */ 378 #elif defined(__BORLANDC__) 379 # define U_HAVE_PLACEMENT_NEW 0 381 # define U_HAVE_PLACEMENT_NEW 1 390 #ifdef U_HAVE_DEBUG_LOCATION_NEW 391 /* Use the predefined value. */ 392 #elif defined(_MSC_VER) 393 # define U_HAVE_DEBUG_LOCATION_NEW 1 395 # define U_HAVE_DEBUG_LOCATION_NEW 0 398 /* Compatibility with compilers other than clang: http://clang.llvm.org/docs/LanguageExtensions.html */ 399 #ifdef __has_attribute 400 # define UPRV_HAS_ATTRIBUTE(x) __has_attribute(x) 402 # define UPRV_HAS_ATTRIBUTE(x) 0 404 #ifdef __has_cpp_attribute 405 # define UPRV_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) 407 # define UPRV_HAS_CPP_ATTRIBUTE(x) 0 409 #ifdef __has_declspec_attribute 410 # define UPRV_HAS_DECLSPEC_ATTRIBUTE(x) __has_declspec_attribute(x) 412 # define UPRV_HAS_DECLSPEC_ATTRIBUTE(x) 0 415 # define UPRV_HAS_BUILTIN(x) __has_builtin(x) 417 # define UPRV_HAS_BUILTIN(x) 0 420 # define UPRV_HAS_FEATURE(x) __has_feature(x) 422 # define UPRV_HAS_FEATURE(x) 0 424 #ifdef __has_extension 425 # define UPRV_HAS_EXTENSION(x) __has_extension(x) 427 # define UPRV_HAS_EXTENSION(x) 0 430 # define UPRV_HAS_WARNING(x) __has_warning(x) 432 # define UPRV_HAS_WARNING(x) 0 436 #if defined(__clang__) 437 #define UPRV_NO_SANITIZE_UNDEFINED __attribute__((no_sanitize("undefined")))
439 #define UPRV_NO_SANITIZE_UNDEFINED 447 #if defined(__GNUC__) && __GNUC__>=3 448 # define U_MALLOC_ATTR __attribute__ ((__malloc__)) 450 # define U_MALLOC_ATTR 458 #if (defined(__GNUC__) && \ 459 (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) || \ 460 UPRV_HAS_ATTRIBUTE(alloc_size) 461 # define U_ALLOC_SIZE_ATTR(X) __attribute__ ((alloc_size(X))) 462 # define U_ALLOC_SIZE_ATTR2(X,Y) __attribute__ ((alloc_size(X,Y))) 464 # define U_ALLOC_SIZE_ATTR(X) 465 # define U_ALLOC_SIZE_ATTR2(X,Y) 474 #ifdef U_CPLUSPLUS_VERSION 475 # if U_CPLUSPLUS_VERSION != 0 && !defined(__cplusplus) 476 # undef U_CPLUSPLUS_VERSION 477 # define U_CPLUSPLUS_VERSION 0 479 /* Otherwise use the predefined value. */ 480 #elif !defined(__cplusplus) 481 # define U_CPLUSPLUS_VERSION 0 482 #elif __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) 483 # define U_CPLUSPLUS_VERSION 17 484 #elif __cplusplus >= 201402L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201402L) 485 # define U_CPLUSPLUS_VERSION 14 486 #elif __cplusplus >= 201103L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201103L) 487 # define U_CPLUSPLUS_VERSION 11 490 # define U_CPLUSPLUS_VERSION 1 501 #elif defined(U_FALLTHROUGH) 502 // Use the predefined value. 503 #elif defined(__clang__) 504 // Test for compiler vs. feature separately. 505 // Other compilers might choke on the feature test. 506 # if UPRV_HAS_CPP_ATTRIBUTE(clang::fallthrough) || \ 507 (UPRV_HAS_FEATURE(cxx_attributes) && \ 508 UPRV_HAS_WARNING("-Wimplicit-fallthrough"))
509 # define U_FALLTHROUGH [[clang::fallthrough]] 511 #elif defined(__GNUC__) && (__GNUC__ >= 7) 512 # define U_FALLTHROUGH __attribute__((fallthrough)) 515 #ifndef U_FALLTHROUGH 516 # define U_FALLTHROUGH 521 /*===========================================================================*/ 523 /*===========================================================================*/ 529 #define U_ASCII_FAMILY 0 535 #define U_EBCDIC_FAMILY 1 579 #ifdef U_CHARSET_FAMILY 580 /* Use the predefined value. */ 581 #elif U_PLATFORM == U_PF_OS390 && (!defined(__CHARSET_LIB) || !__CHARSET_LIB) 582 # define U_CHARSET_FAMILY U_EBCDIC_FAMILY 583 #elif U_PLATFORM == U_PF_OS400 && !defined(__UTF32__) 584 # define U_CHARSET_FAMILY U_EBCDIC_FAMILY 586 # define U_CHARSET_FAMILY U_ASCII_FAMILY 609 #ifdef U_CHARSET_IS_UTF8 610 /* Use the predefined value. */ 611 #elif U_PLATFORM_IS_LINUX_BASED || U_PLATFORM_IS_DARWIN_BASED || \ 612 U_PLATFORM == U_PF_EMSCRIPTEN 613 # define U_CHARSET_IS_UTF8 1 615 # define U_CHARSET_IS_UTF8 0 620 /*===========================================================================*/ 622 /*===========================================================================*/ 630 #ifdef U_HAVE_WCHAR_H 631 /* Use the predefined value. */ 632 #elif U_PLATFORM == U_PF_ANDROID && __ANDROID_API__ < 9 634 * Android before Gingerbread (Android 2.3, API level 9) did not support wchar_t. 635 * The type and header existed, but the library functions did not work as expected. 636 * The size of wchar_t was 1 but L"xyz" string literals had 32-bit units anyway. 638 # define U_HAVE_WCHAR_H 0 640 # define U_HAVE_WCHAR_H 1 649 #ifdef U_SIZEOF_WCHAR_T 650 /* Use the predefined value. */ 651 #elif (U_PLATFORM == U_PF_ANDROID && __ANDROID_API__ < 9) 653 * Classic Mac OS and Mac OS X before 10.3 (Panther) did not support wchar_t or wstring. 654 * Newer Mac OS X has size 4. 656 # define U_SIZEOF_WCHAR_T 1 657 #elif U_PLATFORM_HAS_WIN32_API || U_PLATFORM == U_PF_CYGWIN 658 # define U_SIZEOF_WCHAR_T 2 659 #elif U_PLATFORM == U_PF_AIX 661 * AIX 6.1 information, section "Wide character data representation": 662 * "... the wchar_t datatype is 32-bit in the 64-bit environment and 663 * 16-bit in the 32-bit environment." 665 * "All locales use Unicode for their wide character code values (process code), 666 * except the IBM-eucTW codeset." 669 # define U_SIZEOF_WCHAR_T 4 671 # define U_SIZEOF_WCHAR_T 2 673 #elif U_PLATFORM == U_PF_OS390 675 * z/OS V1R11 information center, section "LP64 | ILP32": 676 * "In 31-bit mode, the size of long and pointers is 4 bytes and the size of wchar_t is 2 bytes. 677 * Under LP64, the size of long and pointer is 8 bytes and the size of wchar_t is 4 bytes." 680 # define U_SIZEOF_WCHAR_T 4 682 # define U_SIZEOF_WCHAR_T 2 684 #elif U_PLATFORM == U_PF_OS400 685 # if defined(__UTF32__) 687 * LOCALETYPE(*LOCALEUTF) is specified. 688 * Wide-character strings are in UTF-32, 689 * narrow-character strings are in UTF-8. 691 # define U_SIZEOF_WCHAR_T 4 692 # elif defined(__UCS2__) 694 * LOCALETYPE(*LOCALEUCS2) is specified. 695 * Wide-character strings are in UCS-2, 696 * narrow-character strings are in EBCDIC. 698 # define U_SIZEOF_WCHAR_T 2 701 * LOCALETYPE(*CLD) or LOCALETYPE(*LOCALE) is specified. 702 * Wide-character strings are in 16-bit EBCDIC, 703 * narrow-character strings are in EBCDIC. 705 # define U_SIZEOF_WCHAR_T 2 708 # define U_SIZEOF_WCHAR_T 4 711 #ifndef U_HAVE_WCSCPY 712 #define U_HAVE_WCSCPY U_HAVE_WCHAR_H 725 #ifdef U_HAVE_CHAR16_T 726 /* Use the predefined value. */ 730 * C++11 and C11 require support for UTF-16 literals 731 * Doesn't work on Mac C11 (see workaround in ptypes.h) 732 * or Cygwin less than 3.5. 734 # if defined(__cplusplus) 735 # define U_HAVE_CHAR16_T 1 736 # elif U_PLATFORM_IS_DARWIN_BASED || (U_PLATFORM == U_PF_CYGWIN && CYGWIN_VERSION_DLL_MAJOR < 3005) 737 # define U_HAVE_CHAR16_T 0 740 # define U_HAVE_CHAR16_T 1 753 #ifdef U_DECLARE_UTF16 754 /* Use the predefined value. */ 755 #elif U_HAVE_CHAR16_T \ 756 || (defined(__xlC__) && defined(__IBM_UTF_LITERAL) && U_SIZEOF_WCHAR_T != 2) \ 757 || (defined(__HP_aCC) && __HP_aCC >= 035000) \ 758 || (defined(__HP_cc) && __HP_cc >= 111106) \ 759 || (defined(U_IN_DOXYGEN)) 760 # define U_DECLARE_UTF16(string) u ## string 761 #elif U_SIZEOF_WCHAR_T == 2 \ 762 && (U_CHARSET_FAMILY == 0 || (U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400 && defined(__UCS2__))) 763 # define U_DECLARE_UTF16(string) L ## string 765 /* Leave U_DECLARE_UTF16 undefined. See unistr.h. */ 770 /*===========================================================================*/ 772 /*===========================================================================*/ 775 /* Use the predefined value. */ 776 #elif defined(U_STATIC_IMPLEMENTATION) 778 #elif defined(_MSC_VER) || (UPRV_HAS_DECLSPEC_ATTRIBUTE(__dllexport__) && \ 779 UPRV_HAS_DECLSPEC_ATTRIBUTE(__dllimport__)) 780 # define U_EXPORT __declspec(dllexport) 781 #elif defined(__GNUC__) || defined(__open_xl__) 782 # define U_EXPORT __attribute__((visibility("default")))
783 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550) \ 784 || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x550) 785 # define U_EXPORT __global 786 /*#elif defined(__HP_aCC) || defined(__HP_cc) 787 # define U_EXPORT __declspec(dllexport)*/ 792 /* U_CALLCONV is related to U_EXPORT2 */ 794 /* Use the predefined value. */ 795 #elif defined(_MSC_VER) 796 # define U_EXPORT2 __cdecl 802 /* Use the predefined value. */ 803 #elif defined(_MSC_VER) || (UPRV_HAS_DECLSPEC_ATTRIBUTE(__dllexport__) && \ 804 UPRV_HAS_DECLSPEC_ATTRIBUTE(__dllimport__)) 805 /* Windows needs to export/import data. */ 806 # define U_IMPORT __declspec(dllimport) 819 /* Use the predefined value. */ 820 #elif defined(__GNUC__) || defined(__open_xl__) 821 # define U_HIDDEN __attribute__((visibility("hidden")))
843 #if U_PLATFORM == U_PF_OS390 && defined(__cplusplus) 844 # define U_CALLCONV __cdecl 846 # define U_CALLCONV U_EXPORT2 854 #if U_PLATFORM == U_PF_OS390 && defined(__cplusplus) 855 # define U_CALLCONV_FPTR U_CALLCONV 857 # define U_CALLCONV_FPTR User-configurable settings.
C API: definitions of ICU version numbers.
