Update ICU to 54.1 step 1

source/common/uidna.cpp

 /*
  *******************************************************************************
  *
- *   Copyright (C) 2003-2009, International Business Machines
+ *   Copyright (C) 2003-2014, International Business Machines
  *   Corporation and others.  All Rights Reserved.
  *
  *******************************************************************************
  *   file name:  uidna.cpp
  *   encoding:   US-ASCII
  *   tab size:   8 (not used)
  *   indentation:4
  *
  *   created on: 2003feb1
  *   created by: Ram Viswanadha
@@ skipping 386 matching lines @@
 
     //get the options
     //UBool useSTD3ASCIIRules = (UBool)((options & UIDNA_USE_STD3_RULES) != 0);
     int32_t namePrepOptions = ((options & UIDNA_ALLOW_UNASSIGNED) != 0) ? USPREP_ALLOW_UNASSIGNED: 0; 
 
     // TODO Revisit buffer handling. The label should not be over 63 ASCII characters. ICU4J may need to be updated too.
     UChar b1Stack[MAX_LABEL_BUFFER_SIZE], b2Stack[MAX_LABEL_BUFFER_SIZE], b3Stack[MAX_LABEL_BUFFER_SIZE];
 
     //initialize pointers to stack buffers
     UChar  *b1 = b1Stack, *b2 = b2Stack, *b1Prime=NULL, *b3=b3Stack;
-    int32_t b1Len, b2Len, b1PrimeLen, b3Len,
+    int32_t b1Len = 0, b2Len, b1PrimeLen, b3Len,
             b1Capacity = MAX_LABEL_BUFFER_SIZE, 
             b2Capacity = MAX_LABEL_BUFFER_SIZE,
             b3Capacity = MAX_LABEL_BUFFER_SIZE,
             reqLength=0;
 
-    b1Len = 0;
     UBool* caseFlags = NULL;
 
     UBool srcIsASCII = TRUE;
     /*UBool srcIsLDH = TRUE;
     int32_t failPos =0;*/
 
     // step 1: find out if all the codepoints in src are ASCII  
     if(srcLength==-1){
         srcLength = 0;
         for(;src[srcLength]!=0;){
@@ skipping 484 matching lines @@
     }
 
     if(b2 != b2Stack){
         uprv_free(b2);
     }
 
     return result;
 }
 
 #endif /* #if !UCONFIG_NO_IDNA */