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Fix a bug in MemSegBuffer

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This commit is contained in:
Chris Vest 2021-05-28 13:54:16 +02:00
parent a6b81c89ef
commit 0aa2853cf3
1 changed files with 3 additions and 0 deletions
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3
buffer-memseg/src/main/java/io/netty/buffer/api/memseg/MemSegBuffer.java
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@ -299,6 +299,9 @@ class MemSegBuffer extends ResourceSupport<Buffer, MemSegBuffer> implements Buff
@Override @Override
public Buffer copy(int offset, int length) { public Buffer copy(int offset, int length) {
checkGet(offset, length); checkGet(offset, length);
if (length < 0) {
throw new IllegalArgumentException("Length cannot be negative: " + length + '.');
}
if (length == 0) { if (length == 0) {
// Special case zero-length segments, since allocators don't support allocating empty buffers. // Special case zero-length segments, since allocators don't support allocating empty buffers.