docs/attachments/LUCENE-7583/LUCENE-7583-hardcode-writeVInt.patch

diff --git a/lucene/core/src/java/org/apache/lucene/store/DataOutput.java b/lucene/core/src/java/org/apache/lucene/store/DataOutput.java
index 9c11249..199e748 100644
--- a/lucene/core/src/java/org/apache/lucene/store/DataOutput.java
+++ b/lucene/core/src/java/org/apache/lucene/store/DataOutput.java
@@ -183,7 +183,7 @@ public abstract class DataOutput {
    * @throws IOException If there is an I/O error writing to the underlying medium.
    * @see DataInput#readVInt()
    */
-  public final void writeVInt(int i) throws IOException {
+  public void writeVInt(int i) throws IOException {
     while ((i & ~0x7F) != 0) {
       writeByte((byte)((i & 0x7F) | 0x80));
       i >>>= 7;
diff --git a/lucene/core/src/java/org/apache/lucene/store/OutputStreamIndexOutput.java b/lucene/core/src/java/org/apache/lucene/store/OutputStreamIndexOutput.java
index c26f750..6ebbe7f 100644
--- a/lucene/core/src/java/org/apache/lucene/store/OutputStreamIndexOutput.java
+++ b/lucene/core/src/java/org/apache/lucene/store/OutputStreamIndexOutput.java
@@ -54,6 +54,30 @@ public class OutputStreamIndexOutput extends IndexOutput {
     bytesWritten += length;
   }
 
+  public final void writeVInt(int i) throws IOException {
+    while ((i & ~0x7F) != 0) {
+      os.write((byte)((i & 0x7F) | 0x80));
+      i >>>= 7;
+      bytesWritten++;
+    }
+    os.write((byte)i);
+    bytesWritten++;
+  }
+
+  public final void writeShort(short i) throws IOException {
+    os.write((byte)(i >>  8));
+    os.write((byte) i);
+    bytesWritten += 2;
+  }
+
+  public void writeInt(int i) throws IOException {
+    os.write((byte)(i >> 24));
+    os.write((byte)(i >> 16));
+    os.write((byte)(i >>  8));
+    os.write((byte) i);
+    bytesWritten += 4;
+  }
+
   @Override
   public void close() throws IOException {
     try (final OutputStream o = os) {