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[Java] byte buffer factory returned buffer capcity is used instead of the requested size (#5558)

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* byte buffer factory returned buffer is used instead of the requested capacity

* byte buffer factory returned buffer is used instead of the requested capacity

* Comment fix
This commit is contained in:
Idan Sheinberg
2019-10-18 01:11:33 +03:00
committed by Wouter van Oortmerssen
parent 5797540ed0
commit 5665cfe492
1 changed files with 1 additions and 0 deletions
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java/com/google/flatbuffers/FlatBufferBuilder.java
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@@ -242,6 +242,7 @@ public class FlatBufferBuilder {
int new_buf_size = old_buf_size == 0 ? 1 : old_buf_size << 1;
bb.position(0);
ByteBuffer nbb = bb_factory.newByteBuffer(new_buf_size);
new_buf_size = nbb.clear().capacity(); // Ensure the returned buffer is treated as empty
nbb.position(new_buf_size - old_buf_size);
nbb.put(bb);
return nbb;