--- /dev/null
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//
+
+#include <dlfcn.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+
+#include "icushim.h"
+
+// Define pointers to all the used ICU functions
+#define PER_FUNCTION_BLOCK(fn, lib) decltype(fn)* fn##_ptr;
+FOR_ALL_ICU_FUNCTIONS
+#undef PER_FUNCTION_BLOCK
+
+static void* libicuuc = nullptr;
+static void* libicui18n = nullptr;
+
+// Version ranges to search for each of the three version components
+// The rationale for major version range is that we support versions higher or
+// equal to the version we are built against and less or equal to that version
+// plus 20 to give us enough headspace. The ICU seems to version about twice
+// a year.
+static const int MinICUVersion = U_ICU_VERSION_MAJOR_NUM;
+static const int MaxICUVersion = MinICUVersion + 20;
+static const int MinMinorICUVersion = 1;
+static const int MaxMinorICUVersion = 5;
+static const int MinSubICUVersion = 1;
+static const int MaxSubICUVersion = 5;
+
+// .x.x.x, considering the max number of decimal digits for each component
+static const int MaxICUVersionStringLength = 33;
+
+// Get filename of an ICU library with the requested version in the name
+// There are three possible cases of the version components values:
+// 1. Only majorVer is not equal to -1 => result is baseFileName.majorver
+// 2. Only majorVer and minorVer are not equal to -1 => result is baseFileName.majorver.minorVer
+// 3. All components are not equal to -1 => result is baseFileName.majorver.minorVer.subver
+void GetVersionedLibFileName(const char* baseFileName, int majorVer, int minorVer, int subVer, char* result)
+{
+ assert(majorVer != -1);
+
+ int nameLen = sprintf(result, "%s.%d", baseFileName, majorVer);
+
+ if (minorVer != -1)
+ {
+ nameLen += sprintf(result + nameLen, ".%d", minorVer);
+ if (subVer != -1)
+ {
+ sprintf(result + nameLen, ".%d", subVer);
+ }
+ }
+}
+
+// Try to open the necessary ICU libraries
+bool OpenICULibraries(int majorVer, int minorVer, int subVer)
+{
+ char libicuucName[64];
+ char libicui18nName[64];
+
+ static_assert(sizeof("libicuuc.so") + MaxICUVersionStringLength <= sizeof(libicuucName), "The libicuucName is too small");
+ GetVersionedLibFileName("libicuuc.so", majorVer, minorVer, subVer, libicuucName);
+
+ static_assert(sizeof("libicui18n.so") + MaxICUVersionStringLength <= sizeof(libicui18nName), "The libicui18nName is too small");
+ GetVersionedLibFileName("libicui18n.so", majorVer, minorVer, subVer, libicui18nName);
+
+ libicuuc = dlopen(libicuucName, RTLD_LAZY);
+ if (libicuuc != nullptr)
+ {
+ libicui18n = dlopen(libicui18nName, RTLD_LAZY);
+ if (libicui18n == nullptr)
+ {
+ dlclose(libicuuc);
+ libicuuc = nullptr;
+ }
+ }
+
+ return libicuuc != nullptr;
+}
+
+// Select libraries using the version override specified by the CLR_ICU_VERSION_OVERRIDE
+// environment variable.
+// The format of the string in this variable is majorVer[.minorVer[.subVer]] (the brackets
+// indicate optional parts).
+bool FindLibUsingOverride(int* majorVer, int* minorVer, int* subVer)
+{
+ char* versionOverride = getenv("CLR_ICU_VERSION_OVERRIDE");
+ if (versionOverride != nullptr)
+ {
+ int first = -1;
+ int second = -1;
+ int third = -1;
+
+ int matches = sscanf(versionOverride, "%d.%d.%d", &first, &second, &third);
+ if (matches > 0)
+ {
+ if (OpenICULibraries(first, second, third))
+ {
+ *majorVer = first;
+ *minorVer = second;
+ *subVer = third;
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+// Select the highest supported version of ICU present on the local machine
+// Search for library files with names including the major and minor version.
+bool FindLibWithMajorMinorVersion(int* majorVer, int* minorVer)
+{
+ for (int i = MaxICUVersion; i >= MinICUVersion; i--)
+ {
+ for (int j = MaxMinorICUVersion; j >= MinMinorICUVersion; j--)
+ {
+ if (OpenICULibraries(i, j, -1))
+ {
+ *majorVer = i;
+ *minorVer = j;
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+// Select the highest supported version of ICU present on the local machine
+// Search for library files with names including the major, minor and sub version.
+bool FindLibWithMajorMinorSubVersion(int* majorVer, int* minorVer, int* subVer)
+{
+ for (int i = MaxICUVersion; i >= MinICUVersion; i--)
+ {
+ for (int j = MaxMinorICUVersion; j >= MinMinorICUVersion; j--)
+ {
+ for (int k = MaxSubICUVersion; k >= MinSubICUVersion; k--)
+ {
+ if (OpenICULibraries(i, j, k))
+ {
+ *majorVer = i;
+ *minorVer = j;
+ *subVer = k;
+ return true;
+ }
+ }
+ }
+ }
+
+ return false;
+}
+
+// This function is ran at the end of dlopen for the current shared library
+__attribute__((constructor))
+void InitializeICUShim()
+{
+ int majorVer = -1;
+ int minorVer = -1;
+ int subVer = -1;
+
+ if (!FindLibUsingOverride(&majorVer, &minorVer, &subVer) &&
+ !FindLibWithMajorMinorVersion(&majorVer, &minorVer) &&
+ !FindLibWithMajorMinorSubVersion(&majorVer, &minorVer, &subVer))
+ {
+ // No usable ICU version found
+ fprintf(stderr, "No usable version of the ICU libraries was found\n");
+ abort();
+ }
+
+ char symbolName[128];
+ char symbolVersion[MaxICUVersionStringLength + 1] = "";
+
+ // Find out the format of the version string added to each symbol
+ // First try just the unversioned symbol
+ if (dlsym(libicuuc, "u_strlen") == nullptr)
+ {
+ // Now try just the _majorVer added
+ sprintf(symbolVersion, "_%d", majorVer);
+ sprintf(symbolName, "u_strlen%s", symbolVersion);
+ if (dlsym(libicuuc, symbolName) == nullptr)
+ {
+ // Now try the _majorVer_minorVer added
+ sprintf(symbolVersion, "_%d_%d", majorVer, minorVer);
+ sprintf(symbolName, "u_strlen%s", symbolVersion);
+ if (dlsym(libicuuc, symbolName) == nullptr)
+ {
+ // Finally, try the _majorVer_minorVer_subVer added
+ sprintf(symbolVersion, "_%d_%d_%d", majorVer, minorVer, subVer);
+ sprintf(symbolName, "u_strlen%s", symbolVersion);
+ if (dlsym(libicuuc, symbolName) == nullptr)
+ {
+ fprintf(stderr, "ICU libraries use unknown symbol versioning\n");
+ abort();
+ }
+ }
+ }
+ }
+
+ // Get pointers to all the ICU functions that are needed
+#define PER_FUNCTION_BLOCK(fn, lib) \
+ static_assert((sizeof(#fn) + MaxICUVersionStringLength + 1) <= sizeof(symbolName), "The symbolName is too small for symbol " #fn); \
+ sprintf(symbolName, #fn "%s", symbolVersion); \
+ fn##_ptr = (decltype(fn)*)dlsym(lib, symbolName); \
+ if (fn##_ptr == NULL) { fprintf(stderr, "Cannot get symbol %s from " #lib "\n", symbolName); abort(); }
+
+ FOR_ALL_ICU_FUNCTIONS
+#undef PER_FUNCTION_BLOCK
+}
+
+__attribute__((destructor))
+void ShutdownICUShim()
+{
+ if (libicuuc != nullptr)
+ {
+ dlclose(libicuuc);
+ }
+
+ if (libicui18n != nullptr)
+ {
+ dlclose(libicui18n);
+ }
+}
--- /dev/null
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//
+
+// Enable calling ICU functions through shims to enable support for
+// multiple versions of ICU if the FEATURE_FIXED_ICU_VERSION is
+// not defined.
+
+#ifndef __ICUSHIM_H__
+#define __ICUSHIM_H__
+
+#include "config.h"
+
+#ifndef FEATURE_FIXED_ICU_VERSION
+#define U_DISABLE_RENAMING 1
+#endif
+
+// All ICU headers need to be included here so that all function prototypes are
+// available before the function pointers are declared below.
+#include <unicode/locid.h>
+#include <unicode/ucurr.h>
+#include <unicode/ucal.h>
+#include <unicode/uchar.h>
+#include <unicode/ucol.h>
+#include <unicode/udat.h>
+#include <unicode/udatpg.h>
+#include <unicode/uenum.h>
+#include <unicode/uidna.h>
+#include <unicode/uldnames.h>
+#include <unicode/ulocdata.h>
+#include <unicode/unorm2.h>
+#include <unicode/unum.h>
+#include <unicode/ures.h>
+#include <unicode/usearch.h>
+#include <unicode/utf16.h>
+#include <unicode/utypes.h>
+
+#ifndef FEATURE_FIXED_ICU_VERSION
+
+// List of all functions from the ICU libraries that are used in the System.Globalization.Native.so
+#define FOR_ALL_UNCONDITIONAL_ICU_FUNCTIONS \
+ PER_FUNCTION_BLOCK(u_charsToUChars, libicuuc) \
+ PER_FUNCTION_BLOCK(u_strlen, libicuuc) \
+ PER_FUNCTION_BLOCK(u_strncpy, libicuuc) \
+ PER_FUNCTION_BLOCK(u_tolower, libicuuc) \
+ PER_FUNCTION_BLOCK(u_toupper, libicuuc) \
+ PER_FUNCTION_BLOCK(ucal_add, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_close, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_get, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_getAttribute, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_getKeywordValuesForLocale, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_getLimit, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_getTimeZoneDisplayName, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_open, libicui18n) \
+ PER_FUNCTION_BLOCK(ucal_set, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_close, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_closeElements, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_getRules, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_getSortKey, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_getStrength, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_next, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_open, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_openElements, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_openRules, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_safeClone, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_setAttribute, libicui18n) \
+ PER_FUNCTION_BLOCK(ucol_strcoll, libicui18n) \
+ PER_FUNCTION_BLOCK(ucurr_forLocale, libicui18n) \
+ PER_FUNCTION_BLOCK(ucurr_getName, libicui18n) \
+ PER_FUNCTION_BLOCK(udat_close, libicui18n) \
+ PER_FUNCTION_BLOCK(udat_countSymbols, libicui18n) \
+ PER_FUNCTION_BLOCK(udat_getSymbols, libicui18n) \
+ PER_FUNCTION_BLOCK(udat_open, libicui18n) \
+ PER_FUNCTION_BLOCK(udat_setCalendar, libicui18n) \
+ PER_FUNCTION_BLOCK(udat_toPattern, libicui18n) \
+ PER_FUNCTION_BLOCK(udatpg_close, libicui18n) \
+ PER_FUNCTION_BLOCK(udatpg_getBestPattern, libicui18n) \
+ PER_FUNCTION_BLOCK(udatpg_open, libicui18n) \
+ PER_FUNCTION_BLOCK(uenum_close, libicuuc) \
+ PER_FUNCTION_BLOCK(uenum_count, libicuuc) \
+ PER_FUNCTION_BLOCK(uenum_next, libicuuc) \
+ PER_FUNCTION_BLOCK(uidna_close, libicuuc) \
+ PER_FUNCTION_BLOCK(uidna_nameToASCII, libicuuc) \
+ PER_FUNCTION_BLOCK(uidna_nameToUnicode, libicuuc) \
+ PER_FUNCTION_BLOCK(uidna_openUTS46, libicuuc) \
+ PER_FUNCTION_BLOCK(uldn_close, libicui18n) \
+ PER_FUNCTION_BLOCK(uldn_keyValueDisplayName, libicui18n) \
+ PER_FUNCTION_BLOCK(uldn_open, libicui18n) \
+ PER_FUNCTION_BLOCK(uloc_canonicalize, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getBaseName, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getCharacterOrientation, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getCountry, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getDefault, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getDisplayCountry, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getDisplayLanguage, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getDisplayName, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getISO3Country, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getKeywordValue, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getLanguage, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getLCID, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getName, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_getParent, libicuuc) \
+ PER_FUNCTION_BLOCK(uloc_setKeywordValue, libicuuc) \
+ PER_FUNCTION_BLOCK(ulocdata_getMeasurementSystem, libicui18n) \
+ PER_FUNCTION_BLOCK(unorm2_getNFCInstance, libicuuc) \
+ PER_FUNCTION_BLOCK(unorm2_getNFDInstance, libicuuc) \
+ PER_FUNCTION_BLOCK(unorm2_getNFKCInstance, libicuuc) \
+ PER_FUNCTION_BLOCK(unorm2_getNFKDInstance, libicuuc) \
+ PER_FUNCTION_BLOCK(unorm2_isNormalized, libicuuc) \
+ PER_FUNCTION_BLOCK(unorm2_normalize, libicuuc) \
+ PER_FUNCTION_BLOCK(unum_close, libicui18n) \
+ PER_FUNCTION_BLOCK(unum_getAttribute, libicui18n) \
+ PER_FUNCTION_BLOCK(unum_getSymbol, libicui18n) \
+ PER_FUNCTION_BLOCK(unum_open, libicui18n) \
+ PER_FUNCTION_BLOCK(unum_toPattern, libicui18n) \
+ PER_FUNCTION_BLOCK(ures_close, libicuuc) \
+ PER_FUNCTION_BLOCK(ures_getByKey, libicuuc) \
+ PER_FUNCTION_BLOCK(ures_getSize, libicuuc) \
+ PER_FUNCTION_BLOCK(ures_getStringByIndex, libicuuc) \
+ PER_FUNCTION_BLOCK(ures_open, libicuuc) \
+ PER_FUNCTION_BLOCK(usearch_close, libicui18n) \
+ PER_FUNCTION_BLOCK(usearch_first, libicui18n) \
+ PER_FUNCTION_BLOCK(usearch_getMatchedLength, libicui18n) \
+ PER_FUNCTION_BLOCK(usearch_last, libicui18n) \
+ PER_FUNCTION_BLOCK(usearch_openFromCollator, libicui18n)
+
+#if HAVE_SET_MAX_VARIABLE
+#define FOR_ALL_ICU_FUNCTIONS \
+ FOR_ALL_UNCONDITIONAL_ICU_FUNCTIONS \
+ PER_FUNCTION_BLOCK(ucol_setMaxVariable, libicui18n)
+#else
+#define FOR_ALL_ICU_FUNCTIONS \
+ FOR_ALL_UNCONDITIONAL_ICU_FUNCTIONS \
+ PER_FUNCTION_BLOCK(ucol_setVariableTop, libicui18n)
+#endif
+
+// Declare pointers to all the used ICU functions
+#define PER_FUNCTION_BLOCK(fn, lib) extern decltype(fn)* fn##_ptr;
+FOR_ALL_ICU_FUNCTIONS
+#undef PER_FUNCTION_BLOCK
+
+// Redefine all calls to ICU functions as calls through pointers that are set
+// to the functions of the selected version of ICU in the initialization.
+#define u_charsToUChars(...) u_charsToUChars_ptr(__VA_ARGS__)
+#define u_strlen(...) u_strlen_ptr(__VA_ARGS__)
+#define u_strncpy(...) u_strncpy_ptr(__VA_ARGS__)
+#define u_tolower(...) u_tolower_ptr(__VA_ARGS__)
+#define u_toupper(...) u_toupper_ptr(__VA_ARGS__)
+#define ucal_add(...) ucal_add_ptr(__VA_ARGS__)
+#define ucal_close(...) ucal_close_ptr(__VA_ARGS__)
+#define ucal_get(...) ucal_get_ptr(__VA_ARGS__)
+#define ucal_getAttribute(...) ucal_getAttribute_ptr(__VA_ARGS__)
+#define ucal_getKeywordValuesForLocale(...) ucal_getKeywordValuesForLocale_ptr(__VA_ARGS__)
+#define ucal_getLimit(...) ucal_getLimit_ptr(__VA_ARGS__)
+#define ucal_getTimeZoneDisplayName(...) ucal_getTimeZoneDisplayName_ptr(__VA_ARGS__)
+#define ucal_open(...) ucal_open_ptr(__VA_ARGS__)
+#define ucal_set(...) ucal_set_ptr(__VA_ARGS__)
+#define ucol_close(...) ucol_close_ptr(__VA_ARGS__)
+#define ucol_closeElements(...) ucol_closeElements_ptr(__VA_ARGS__)
+#define ucol_getRules(...) ucol_getRules_ptr(__VA_ARGS__)
+#define ucol_getSortKey(...) ucol_getSortKey_ptr(__VA_ARGS__)
+#define ucol_getStrength(...) ucol_getStrength_ptr(__VA_ARGS__)
+#define ucol_next(...) ucol_next_ptr(__VA_ARGS__)
+#define ucol_open(...) ucol_open_ptr(__VA_ARGS__)
+#define ucol_openElements(...) ucol_openElements_ptr(__VA_ARGS__)
+#define ucol_openRules(...) ucol_openRules_ptr(__VA_ARGS__)
+#define ucol_safeClone(...) ucol_safeClone_ptr(__VA_ARGS__)
+#define ucol_setAttribute(...) ucol_setAttribute_ptr(__VA_ARGS__)
+#if HAVE_SET_MAX_VARIABLE
+#define ucol_setMaxVariable(...) ucol_setMaxVariable_ptr(__VA_ARGS__)
+#else
+#define ucol_setVariableTop(...) ucol_setVariableTop_ptr(__VA_ARGS__)
+#endif
+#define ucol_strcoll(...) ucol_strcoll_ptr(__VA_ARGS__)
+#define ucurr_forLocale(...) ucurr_forLocale_ptr(__VA_ARGS__)
+#define ucurr_getName(...) ucurr_getName_ptr(__VA_ARGS__)
+#define udat_close(...) udat_close_ptr(__VA_ARGS__)
+#define udat_countSymbols(...) udat_countSymbols_ptr(__VA_ARGS__)
+#define udat_getSymbols(...) udat_getSymbols_ptr(__VA_ARGS__)
+#define udat_open(...) udat_open_ptr(__VA_ARGS__)
+#define udat_setCalendar(...) udat_setCalendar_ptr(__VA_ARGS__)
+#define udat_toPattern(...) udat_toPattern_ptr(__VA_ARGS__)
+#define udatpg_close(...) udatpg_close_ptr(__VA_ARGS__)
+#define udatpg_getBestPattern(...) udatpg_getBestPattern_ptr(__VA_ARGS__)
+#define udatpg_open(...) udatpg_open_ptr(__VA_ARGS__)
+#define uenum_close(...) uenum_close_ptr(__VA_ARGS__)
+#define uenum_count(...) uenum_count_ptr(__VA_ARGS__)
+#define uenum_next(...) uenum_next_ptr(__VA_ARGS__)
+#define uidna_close(...) uidna_close_ptr(__VA_ARGS__)
+#define uidna_nameToASCII(...) uidna_nameToASCII_ptr(__VA_ARGS__)
+#define uidna_nameToUnicode(...) uidna_nameToUnicode_ptr(__VA_ARGS__)
+#define uidna_openUTS46(...) uidna_openUTS46_ptr(__VA_ARGS__)
+#define uldn_close(...) uldn_close_ptr(__VA_ARGS__)
+#define uldn_keyValueDisplayName(...) uldn_keyValueDisplayName_ptr(__VA_ARGS__)
+#define uldn_open(...) uldn_open_ptr(__VA_ARGS__)
+#define uloc_canonicalize(...) uloc_canonicalize_ptr(__VA_ARGS__)
+#define uloc_getBaseName(...) uloc_getBaseName_ptr(__VA_ARGS__)
+#define uloc_getCharacterOrientation(...) uloc_getCharacterOrientation_ptr(__VA_ARGS__)
+#define uloc_getCountry(...) uloc_getCountry_ptr(__VA_ARGS__)
+#define uloc_getDefault(...) uloc_getDefault_ptr(__VA_ARGS__)
+#define uloc_getDisplayCountry(...) uloc_getDisplayCountry_ptr(__VA_ARGS__)
+#define uloc_getDisplayLanguage(...) uloc_getDisplayLanguage_ptr(__VA_ARGS__)
+#define uloc_getDisplayName(...) uloc_getDisplayName_ptr(__VA_ARGS__)
+#define uloc_getISO3Country(...) uloc_getISO3Country_ptr(__VA_ARGS__)
+#define uloc_getKeywordValue(...) uloc_getKeywordValue_ptr(__VA_ARGS__)
+#define uloc_getLanguage(...) uloc_getLanguage_ptr(__VA_ARGS__)
+#define uloc_getLCID(...) uloc_getLCID_ptr(__VA_ARGS__)
+#define uloc_getName(...) uloc_getName_ptr(__VA_ARGS__)
+#define uloc_getParent(...) uloc_getParent_ptr(__VA_ARGS__)
+#define uloc_setKeywordValue(...) uloc_setKeywordValue_ptr(__VA_ARGS__)
+#define ulocdata_getMeasurementSystem(...) ulocdata_getMeasurementSystem_ptr(__VA_ARGS__)
+#define unorm2_getNFCInstance(...) unorm2_getNFCInstance_ptr(__VA_ARGS__)
+#define unorm2_getNFDInstance(...) unorm2_getNFDInstance_ptr(__VA_ARGS__)
+#define unorm2_getNFKCInstance(...) unorm2_getNFKCInstance_ptr(__VA_ARGS__)
+#define unorm2_getNFKDInstance(...) unorm2_getNFKDInstance_ptr(__VA_ARGS__)
+#define unorm2_isNormalized(...) unorm2_isNormalized_ptr(__VA_ARGS__)
+#define unorm2_normalize(...) unorm2_normalize_ptr(__VA_ARGS__)
+#define unum_close(...) unum_close_ptr(__VA_ARGS__)
+#define unum_getAttribute(...) unum_getAttribute_ptr(__VA_ARGS__)
+#define unum_getSymbol(...) unum_getSymbol_ptr(__VA_ARGS__)
+#define unum_open(...) unum_open_ptr(__VA_ARGS__)
+#define unum_toPattern(...) unum_toPattern_ptr(__VA_ARGS__)
+#define ures_close(...) ures_close_ptr(__VA_ARGS__)
+#define ures_getByKey(...) ures_getByKey_ptr(__VA_ARGS__)
+#define ures_getSize(...) ures_getSize_ptr(__VA_ARGS__)
+#define ures_getStringByIndex(...) ures_getStringByIndex_ptr(__VA_ARGS__)
+#define ures_open(...) ures_open_ptr(__VA_ARGS__)
+#define usearch_close(...) usearch_close_ptr(__VA_ARGS__)
+#define usearch_first(...) usearch_first_ptr(__VA_ARGS__)
+#define usearch_getMatchedLength(...) usearch_getMatchedLength_ptr(__VA_ARGS__)
+#define usearch_last(...) usearch_last_ptr(__VA_ARGS__)
+#define usearch_openFromCollator(...) usearch_openFromCollator_ptr(__VA_ARGS__)
+
+#endif // !FEATURE_ICU_VERSION_RESILIENT
+
+#endif // __ICUSHIM_H__