Update HarfBuzz, ICU and FreeType.

HarfBuzz: Update to version 4.2.1
FreeType: Update to version 2.12.1
ICU: Update to version 71.1

1 files changed, 19 insertions, 21 deletions

diff --git a/thirdparty/icu4c/common/ucase.cpp b/thirdparty/icu4c/common/ucase.cpp
index 4aa856507a..388c86b1bb 100644
--- a/thirdparty/icu4c/common/ucase.cpp
+++ b/thirdparty/icu4c/common/ucase.cpp
@@ -22,27 +22,14 @@
 #include "unicode/utypes.h"
 #include "unicode/unistr.h"
 #include "unicode/uset.h"
-#include "unicode/udata.h" /* UDataInfo */
 #include "unicode/utf16.h"
-#include "ucmndata.h" /* DataHeader */
-#include "udatamem.h"
-#include "umutex.h"
-#include "uassert.h"
 #include "cmemory.h"
-#include "utrie2.h"
+#include "uassert.h"
 #include "ucase.h"
+#include "umutex.h"
+#include "utrie2.h"
 
-struct UCaseProps {
-    UDataMemory *mem;
-    const int32_t *indexes;
-    const uint16_t *exceptions;
-    const uint16_t *unfold;
-
-    UTrie2 trie;
-    uint8_t formatVersion[4];
-};
-
-/* ucase_props_data.h is machine-generated by gencase --csource */
+/* ucase_props_data.h is machine-generated by genprops/casepropsbuilder.cpp */
 #define INCLUDED_FROM_UCASE_CPP
 #include "ucase_props_data.h"
 
@@ -77,6 +64,13 @@ ucase_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode) {
 
 /* data access primitives --------------------------------------------------- */
 
+U_CAPI const struct UCaseProps * U_EXPORT2
+ucase_getSingleton(int32_t *pExceptionsLength, int32_t *pUnfoldLength) {
+    *pExceptionsLength = UPRV_LENGTHOF(ucase_props_exceptions);
+    *pUnfoldLength = UPRV_LENGTHOF(ucase_props_unfold);
+    return &ucase_props_singleton;
+}
+
 U_CFUNC const UTrie2 * U_EXPORT2
 ucase_getTrie() {
     return &ucase_props_singleton.trie;
@@ -690,7 +684,7 @@ ucase_isCaseSensitive(UChar32 c) {
  *   - The general category of C is
  *     Nonspacing Mark (Mn), or Enclosing Mark (Me), or Format Control (Cf), or
  *     Letter Modifier (Lm), or Symbol Modifier (Sk)
- *   - C is one of the following characters 
+ *   - C is one of the following characters
  *     U+0027 APOSTROPHE
  *     U+00AD SOFT HYPHEN (SHY)
  *     U+2019 RIGHT SINGLE QUOTATION MARK
@@ -1064,6 +1058,8 @@ ucase_toFullLower(UChar32 c,
     // The sign of the result has meaning, input must be non-negative so that it can be returned as is.
     U_ASSERT(c >= 0);
     UChar32 result=c;
+    // Reset the output pointer in case it was uninitialized.
+    *pString=nullptr;
     uint16_t props=UTRIE2_GET16(&ucase_props_singleton.trie, c);
     if(!UCASE_HAS_EXCEPTION(props)) {
         if(UCASE_IS_UPPER_OR_TITLE(props)) {
@@ -1148,7 +1144,6 @@ ucase_toFullLower(UChar32 c,
                     0307; ; 0307; 0307; tr After_I; # COMBINING DOT ABOVE
                     0307; ; 0307; 0307; az After_I; # COMBINING DOT ABOVE
                  */
-                *pString=nullptr;
                 return 0; /* remove the dot (continue without output) */
             } else if(loc==UCASE_LOC_TURKISH && c==0x49 && !isFollowedByDotAbove(iter, context)) {
                 /*
@@ -1215,6 +1210,8 @@ toUpperOrTitle(UChar32 c,
     // The sign of the result has meaning, input must be non-negative so that it can be returned as is.
     U_ASSERT(c >= 0);
     UChar32 result=c;
+    // Reset the output pointer in case it was uninitialized.
+    *pString=nullptr;
     uint16_t props=UTRIE2_GET16(&ucase_props_singleton.trie, c);
     if(!UCASE_HAS_EXCEPTION(props)) {
         if(UCASE_GET_TYPE(props)==UCASE_LOWER) {
@@ -1252,7 +1249,6 @@ toUpperOrTitle(UChar32 c,
 
                     0307; 0307; ; ; lt After_Soft_Dotted; # COMBINING DOT ABOVE
                  */
-                *pString=nullptr;
                 return 0; /* remove the dot (continue without output) */
             } else if(c==0x0587) {
                 // See ICU-13416:
@@ -1449,6 +1445,8 @@ ucase_toFullFolding(UChar32 c,
     // The sign of the result has meaning, input must be non-negative so that it can be returned as is.
     U_ASSERT(c >= 0);
     UChar32 result=c;
+    // Reset the output pointer in case it was uninitialized.
+    *pString=nullptr;
     uint16_t props=UTRIE2_GET16(&ucase_props_singleton.trie, c);
     if(!UCASE_HAS_EXCEPTION(props)) {
         if(UCASE_IS_UPPER_OR_TITLE(props)) {
@@ -1542,7 +1540,7 @@ U_CAPI UChar32 U_EXPORT2
 u_tolower(UChar32 c) {
     return ucase_tolower(c);
 }
-    
+
 /* Transforms the Unicode character to its upper case equivalent.*/
 U_CAPI UChar32 U_EXPORT2
 u_toupper(UChar32 c) {