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[#1943] Unpooled.copiedBuffer(ByteBuf pooled) should always return unpooled ByteBuf

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This commit is contained in:
Norman Maurer 2013-10-22 20:20:04 +02:00
parent 9e82bfbf3c
commit 9e882c793b
1 changed files with 10 additions and 2 deletions
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12
buffer/src/main/java/io/netty/buffer/Unpooled.java
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@ -408,8 +408,16 @@ public final class Unpooled {
* respectively.
*/
public static ByteBuf copiedBuffer(ByteBuf buffer) {
if (buffer.isReadable()) {
return buffer.copy();
int readable = buffer.readableBytes();
if (readable > 0) {
ByteBuf copy;
if (buffer.isDirect()) {
copy = directBuffer(readable);
} else {
copy = buffer(readable);
}
copy.writeBytes(buffer, buffer.readerIndex(), readable);
return copy;
} else {
return EMPTY_BUFFER;
}