Apply patch for HARMONY-6408: [classlib][luni]OutputStreamWriterTest got java.nio.BufferOverflowException

git-svn-id: https://svn.apache.org/repos/asf/harmony/enhanced/classlib/trunk@893377 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/modules/luni/src/main/native/luni/windows/charsetmap.h b/modules/luni/src/main/native/luni/windows/charsetmap.h
index 51fd315..33e0a6b 100644
--- a/modules/luni/src/main/native/luni/windows/charsetmap.h
+++ b/modules/luni/src/main/native/luni/windows/charsetmap.h
@@ -31,7 +31,7 @@
   863,"IBM863",       864,"IBM864",         865,"IBM865",
   866,"cp866",        869,"ibm869",         870,"IBM870",
   874,"windows-874",  875,"cp875",          932,"shift_jis",
-  936,"gb2312",       949,"ks_c_5601-1987", 950,"big5",
+  936,"GBK",          949,"ks_c_5601-1987", 950,"big5",
   1026,"IBM1026",     1047,"IBM01047",      1140,"IBM01140",
   1141,"IBM01141",    1142,"IBM01142",      1143,"IBM01143",
   1144,"IBM01144",    1145,"IBM01145",      1146,"IBM01146",
diff --git a/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GB2312.java b/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GB2312.java
index e27078f..6d33a56 100644
--- a/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GB2312.java
+++ b/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GB2312.java
@@ -295,6 +295,7 @@
                                 }else{
                                     if(c < 0x008E) {
                                         bb.put((byte)c);
+                                        bbRemaining--;
                                     } else {
                                         int index = (int)c >> 8;
                                         index = encodeIndex[index];
diff --git a/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GBK.java b/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GBK.java
index 741e20a..289da30 100644
--- a/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GBK.java
+++ b/modules/nio_char/src/main/java/org/apache/harmony/niochar/charset/additional/GBK.java
@@ -339,6 +339,7 @@
                                 }else{
                                     if(c < 0x0080) {
                                         bb.put((byte)c);
+                                        bbRemaining--;
                                     } else {
                                         int index = (int)c >> 8;
                                         index = encodeIndex[index];