Support Netty ByteBuf variable sized data (#183)

bp-alex · bp-alex · commit 1d991f8e4b0e · 2021-10-24T14:12:20.000+11:00
diff --git a/src/main/java/org/lmdbjava/ByteBufProxy.java b/src/main/java/org/lmdbjava/ByteBufProxy.java
@@ -147,7 +147,7 @@ protected ByteBuf out(final ByteBuf buffer, final Pointer ptr,
     final long size = UNSAFE.getLong(ptrAddr + STRUCT_FIELD_OFFSET_SIZE);
     UNSAFE.putLong(buffer, addressOffset, addr);
     UNSAFE.putInt(buffer, lengthOffset, (int) size);
-    buffer.writerIndex((int) size).readerIndex(0);
+    buffer.clear().writerIndex((int) size);
     return buffer;
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -147,7 +147,7 @@ protected ByteBuf out(final ByteBuf buffer, final Pointer ptr,`
`147`	`147`	`final long size = UNSAFE.getLong(ptrAddr + STRUCT_FIELD_OFFSET_SIZE);`
`148`	`148`	`UNSAFE.putLong(buffer, addressOffset, addr);`
`149`	`149`	`UNSAFE.putInt(buffer, lengthOffset, (int) size);`
`150`		`- buffer.writerIndex((int) size).readerIndex(0);`
	`150`	`+ buffer.clear().writerIndex((int) size);`
`151`	`151`	`return buffer;`
`152`	`152`	`}`
`153`	`153`	`}`