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Issue #1971 - Part 2: Update ICU source to 63.2.
This commit is contained in:
Job Bautista
roytam1
parent
8df84683be
commit
1e69214382
3160 changed files with 275815 additions and 234203 deletions
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@ -1,4 +1,4 @@
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// Copyright (C) 2016 and later: Unicode, Inc. and others.
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// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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******************************************************************************
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@ -72,22 +72,13 @@
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typedef size_t uintptr_t;
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#endif
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/**
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* \def U_HAVE_MSVC_2003_OR_EARLIER
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* Flag for workaround of MSVC 2003 optimization bugs
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* @internal
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*/
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#if !defined(U_HAVE_MSVC_2003_OR_EARLIER) && defined(_MSC_VER) && (_MSC_VER < 1400)
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#define U_HAVE_MSVC_2003_OR_EARLIER
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#endif
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/*===========================================================================*/
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/** @{ Information about POSIX support */
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/*===========================================================================*/
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#ifdef U_HAVE_NL_LANGINFO_CODESET
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/* Use the predefined value. */
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#elif U_PLATFORM_HAS_WIN32_API || U_PLATFORM == U_PF_ANDROID || U_PLATFORM == U_PF_QNX
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#elif U_PLATFORM_USES_ONLY_WIN32_API || U_PLATFORM == U_PF_ANDROID || U_PLATFORM == U_PF_QNX
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# define U_HAVE_NL_LANGINFO_CODESET 0
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#else
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# define U_HAVE_NL_LANGINFO_CODESET 1
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@ -103,10 +94,13 @@ typedef size_t uintptr_t;
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# define U_NL_LANGINFO_CODESET CODESET
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#endif
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#ifdef U_TZSET
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#if defined(U_TZSET) || defined(U_HAVE_TZSET)
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/* Use the predefined value. */
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#elif U_PLATFORM_USES_ONLY_WIN32_API
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// UWP doesn't support tzset or environment variables for tz
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#if U_PLATFORM_HAS_WINUWP_API == 0
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# define U_TZSET _tzset
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#endif
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#elif U_PLATFORM == U_PF_OS400
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/* not defined */
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#else
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@ -117,15 +111,15 @@ typedef size_t uintptr_t;
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/* Use the predefined value. */
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#elif U_PLATFORM == U_PF_ANDROID
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# define U_TIMEZONE timezone
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#elif defined(__UCLIBC__)
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// uClibc does not have __timezone or _timezone.
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#elif defined(_NEWLIB_VERSION)
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# define U_TIMEZONE _timezone
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#elif defined(__GLIBC__)
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// glibc
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# define U_TIMEZONE __timezone
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#elif U_PLATFORM_IS_LINUX_BASED
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# if defined(__UCLIBC__)
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/* uClibc does not have __timezone or _timezone. */
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# elif defined(_NEWLIB_VERSION)
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# define U_TIMEZONE _timezone
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# elif defined(__GLIBC__)
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/* glibc */
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# define U_TIMEZONE __timezone
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# endif
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// not defined
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#elif U_PLATFORM_USES_ONLY_WIN32_API
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# define U_TIMEZONE _timezone
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#elif U_PLATFORM == U_PF_BSD && !defined(__NetBSD__)
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@ -138,10 +132,13 @@ typedef size_t uintptr_t;
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# define U_TIMEZONE timezone
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#endif
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#ifdef U_TZNAME
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#if defined(U_TZNAME) || defined(U_HAVE_TZNAME)
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/* Use the predefined value. */
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#elif U_PLATFORM_USES_ONLY_WIN32_API
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/* not usable on all windows platforms */
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#if U_PLATFORM_HAS_WINUWP_API == 0
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# define U_TZNAME _tzname
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#endif
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#elif U_PLATFORM == U_PF_OS400
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/* not defined */
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#else
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@ -207,33 +204,21 @@ typedef size_t uintptr_t;
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/**
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* \def U_HAVE_STD_ATOMICS
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* Defines whether the standard C++11 <atomic> is available.
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* ICU will use this when avialable,
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* otherwise will fall back to compiler or platform specific alternatives.
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* Defines whether to use the standard C++11 <atomic> functions
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* If false, ICU will fall back to compiler or platform specific alternatives.
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* Note: support for these fall back options for atomics will be removed in a future version
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* of ICU, and the use of C++ 11 atomics will be required.
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* @internal
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*/
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#ifdef U_HAVE_STD_ATOMICS
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/* Use the predefined value. */
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#elif U_CPLUSPLUS_VERSION < 11
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/* Not C++11, disable use of atomics */
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# define U_HAVE_STD_ATOMICS 0
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#elif __clang__ && __clang_major__==3 && __clang_minor__<=1
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/* Clang 3.1, has atomic variable initializer bug. */
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# define U_HAVE_STD_ATOMICS 0
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#else
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/* U_HAVE_ATOMIC is typically set by an autoconf test of #include <atomic> */
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/* Can be set manually, or left undefined, on platforms without autoconf. */
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# if defined(U_HAVE_ATOMIC) && U_HAVE_ATOMIC
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# define U_HAVE_STD_ATOMICS 1
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# else
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# define U_HAVE_STD_ATOMICS 0
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# endif
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#else
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# define U_HAVE_STD_ATOMICS 1
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#endif
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/**
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* \def U_HAVE_CLANG_ATOMICS
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* Defines whether Clang c11 style built-in atomics are avaialable.
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* Defines whether Clang c11 style built-in atomics are available.
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* These are used in preference to gcc atomics when both are available.
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*/
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#ifdef U_HAVE_CLANG_ATOMICS
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@ -271,7 +256,7 @@ typedef size_t uintptr_t;
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/**
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* Platform utilities isolates the platform dependencies of the
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* libarary. For each platform which this code is ported to, these
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* library. For each platform which this code is ported to, these
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* functions may have to be re-implemented.
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*/
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@ -394,6 +379,32 @@ U_INTERNAL double U_EXPORT2 uprv_log(double d);
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*/
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U_INTERNAL double U_EXPORT2 uprv_round(double x);
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/**
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* Adds the signed integers a and b, storing the result in res.
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* Checks for signed integer overflow.
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* Similar to the GCC/Clang extension __builtin_add_overflow
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*
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* @param a The first operand.
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* @param b The second operand.
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* @param res a + b
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* @return true if overflow occurred; false if no overflow occurred.
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* @internal
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*/
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U_INTERNAL UBool U_EXPORT2 uprv_add32_overflow(int32_t a, int32_t b, int32_t* res);
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/**
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* Multiplies the signed integers a and b, storing the result in res.
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* Checks for signed integer overflow.
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* Similar to the GCC/Clang extension __builtin_mul_overflow
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*
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* @param a The first multiplicand.
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* @param b The second multiplicand.
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* @param res a * b
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* @return true if overflow occurred; false if no overflow occurred.
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* @internal
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*/
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U_INTERNAL UBool U_EXPORT2 uprv_mul32_overflow(int32_t a, int32_t b, int32_t* res);
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#if 0
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/**
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* Returns the number of digits after the decimal point in a double number x.
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@ -419,7 +430,7 @@ U_INTERNAL const char* U_EXPORT2 uprv_getDefaultCodepage(void);
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/**
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* Please use uloc_getDefault() instead.
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* Return the default locale ID string by querying ths system, or
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* Return the default locale ID string by querying the system, or
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* zero if one cannot be found.
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* This function can call setlocale() on Unix platforms. Please read the
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* platform documentation on setlocale() before calling this function.
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@ -563,6 +574,49 @@ U_INTERNAL void * U_EXPORT2 uprv_maximumPtr(void *base);
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# endif
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#endif
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#ifdef __cplusplus
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/**
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* Pin a buffer capacity such that doing pointer arithmetic
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* on the destination pointer and capacity cannot overflow.
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*
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* The pinned capacity must fulfill the following conditions (for positive capacities):
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* - dest + capacity is a valid pointer according to the machine arcitecture (AS/400, 64-bit, etc.)
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* - (dest + capacity) >= dest
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* - The size (in bytes) of T[capacity] does not exceed 0x7fffffff
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*
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* @param dest the destination buffer pointer.
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* @param capacity the requested buffer capacity, in units of type T.
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* @return the pinned capacity.
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* @internal
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*/
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template <typename T>
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inline int32_t pinCapacity(T *dest, int32_t capacity) {
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if (capacity <= 0) { return capacity; }
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uintptr_t destInt = (uintptr_t)dest;
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uintptr_t maxInt;
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# if U_PLATFORM == U_PF_OS390 && !defined(_LP64)
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// We have 31-bit pointers.
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maxInt = 0x7fffffff;
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# elif U_PLATFORM == U_PF_OS400
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maxInt = (uintptr_t)uprv_maximumPtr((void *)dest);
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# else
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maxInt = destInt + 0x7fffffffu;
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if (maxInt < destInt) {
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// Less than 2GB to the end of the address space.
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// Pin to that to prevent address overflow.
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maxInt = (uintptr_t)-1;
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}
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# endif
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uintptr_t maxBytes = maxInt - destInt; // max. 2GB
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int32_t maxCapacity = (int32_t)(maxBytes / sizeof(T));
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return capacity <= maxCapacity ? capacity : maxCapacity;
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}
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#endif // __cplusplus
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/* Dynamic Library Functions */
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typedef void (UVoidFunction)(void);
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