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Use original compressed and uncompressed buffer's position #293

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merged 1 commit into from Oct 20, 2021
Merged

Use original compressed and uncompressed buffer's position #293

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10 changes: 6 additions & 4 deletions src/main/java/org/xerial/snappy/Snappy.java
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Expand Up @@ -148,12 +148,13 @@ public static int compress(ByteBuffer uncompressed, ByteBuffer compressed)
// output: compressed
int uPos = uncompressed.position();
int uLen = uncompressed.remaining();
int cPos = compressed.position();
int compressedSize = impl.rawCompress(uncompressed, uPos, uLen, compressed,
compressed.position());
cPos);

// pos limit
// [ ......BBBBBBB.........]
compressed.limit(compressed.position() + compressedSize);
compressed.limit(cPos + compressedSize);

return compressedSize;
}
Expand Down Expand Up @@ -545,12 +546,13 @@ public static int uncompress(ByteBuffer compressed, ByteBuffer uncompressed)

int cPos = compressed.position();
int cLen = compressed.remaining();
int uPos = uncompressed.position();

// pos limit
// [ ......UUUUUU.........]
int decompressedSize = impl.rawUncompress(compressed, cPos, cLen, uncompressed,
uncompressed.position());
uncompressed.limit(uncompressed.position() + decompressedSize);
uPos);
uncompressed.limit(uPos + decompressedSize);

return decompressedSize;
}
Expand Down