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8133170: Deflater.deflate with small output buffers fails

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Reviewed-by: bpb
This commit is contained in:
Xueming Shen 2016-07-07 14:16:58 -07:00
parent df36450c8a
commit faaf303a95
1 changed files with 4 additions and 1 deletions
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5
jdk/src/java.base/share/classes/java/util/zip/Deflater.java
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@ -417,7 +417,10 @@ class Deflater {
* <p>In the case of {@link #FULL_FLUSH} or {@link #SYNC_FLUSH}, if
* the return value is {@code len}, the space available in output
* buffer {@code b}, this method should be invoked again with the same
* {@code flush} parameter and more output space.
* {@code flush} parameter and more output space. Make sure that
* {@code len} is greater than 6 to avoid flush marker (5 bytes) being
* repeatedly output to the output buffer every time this method is
* invoked.
*
* @param b the buffer for the compressed data
* @param off the start offset of the data