Apply ICU patches for ICU tickets 6175 (ISO-2022 and ...

third_party/icu38/source/common/ucnv_lmb.c

 /*  
 **********************************************************************
-*   Copyright (C) 2000-2006, International Business Machines
+*   Copyright (C) 2000-2007, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 *   file name:  ucnv_lmb.cpp
 *   encoding:   US-ASCII
 *   tab size:   4 (not used)
 *   indentation:4
 *
 *   created on: 2000feb09
 *   created by: Brendan Murray
 *   extensively hacked up by: Jim Snyder-Grant
@@ skipping 515 matching lines @@
     NULL,\
     _LMBCSToUnicodeWithOffsets,\
     _LMBCSToUnicodeWithOffsets,\
     _LMBCSFromUnicode,\
     _LMBCSFromUnicode,\
     NULL,\
     NULL,\
     NULL,\
     NULL,\
     _LMBCSSafeClone,\
-    _LMBCSGetUnicodeSet\
+    ucnv_getCompleteUnicodeSet\
 };\
 static const UConverterStaticData _LMBCSStaticData##n={\
   sizeof(UConverterStaticData),\
  "LMBCS-"  #n,\
     0, UCNV_IBM, UCNV_LMBCS_##n, 1, 3,\
     { 0x3f, 0, 0, 0 },1,FALSE,FALSE,0,0,{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} \
 };\
 const UConverterSharedData _LMBCSData##n={\
     sizeof(UConverterSharedData), ~((uint32_t) 0),\
     NULL, NULL, &_LMBCSStaticData##n, FALSE, &_LMBCSImpl##n, \
@@ skipping 105 matching lines @@
         if(extraInfo->OptGrpConverter[i] != NULL) {
             ucnv_incrementRefCount(extraInfo->OptGrpConverter[i]);
         }
     }
 
     newLMBCS->cnv.extraInfo = &newLMBCS->lmbcs;
     newLMBCS->cnv.isExtraLocal = TRUE;
     return &newLMBCS->cnv;
 }
 
-static void
-_LMBCSGetUnicodeSet(const UConverter *cnv,
-                   const USetAdder *sa,
-                   UConverterUnicodeSet which,
-                   UErrorCode *pErrorCode) {
-    /* all but U+F6xx, see LMBCS explanation above (search for F6xx) */
-    sa->addRange(sa->set, 0, 0xf5ff);
-    sa->addRange(sa->set, 0xf700, 0x10ffff);
-}
+/*
+ * There used to be a _LMBCSGetUnicodeSet() function here (up to svn revision 20117)
+ * which added all code points except for U+F6xx
+ * because those cannot be represented in the Unicode group.
+ * However, it turns out that windows-950 has roundtrips for all of U+F6xx
+ * which means that LMBCS can convert all Unicode code points after all.
+ * We now simply use ucnv_getCompleteUnicodeSet().
+ */
 
 /* 
    Here's the basic helper function that we use when converting from
    Unicode to LMBCS, and we suspect that a Unicode character will fit into 
    one of the 12 groups. The return value is the number of bytes written 
    starting at pStartLMBCS (if any).
 */
 
 static size_t
 LMBCSConversionWorker (
@@ skipping 588 matching lines @@
 DECLARE_LMBCS_DATA(5)
 DECLARE_LMBCS_DATA(6)
 DECLARE_LMBCS_DATA(8)
 DECLARE_LMBCS_DATA(11)
 DECLARE_LMBCS_DATA(16)
 DECLARE_LMBCS_DATA(17)
 DECLARE_LMBCS_DATA(18)
 DECLARE_LMBCS_DATA(19)
 
 #endif /* #if !UCONFIG_NO_LEGACY_CONVERSION */