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Use original compressed/uncompressed buffer's position. (#293)

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Liang-Chi Hsieh 2021-10-20 00:06:34 -07:00 committed by GitHub
parent f3d7c11a02
commit 19cfc8d9a8
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1 changed files with 6 additions and 4 deletions
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src/main/java/org/xerial/snappy/Snappy.java
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@ -148,12 +148,13 @@ public class Snappy
// output: compressed // output: compressed
int uPos = uncompressed.position(); int uPos = uncompressed.position();
int uLen = uncompressed.remaining(); int uLen = uncompressed.remaining();
int cPos = compressed.position();
int compressedSize = impl.rawCompress(uncompressed, uPos, uLen, compressed, int compressedSize = impl.rawCompress(uncompressed, uPos, uLen, compressed,
compressed.position()); cPos);
// pos limit // pos limit
// [ ......BBBBBBB.........] // [ ......BBBBBBB.........]
compressed.limit(compressed.position() + compressedSize); compressed.limit(cPos + compressedSize);
return compressedSize; return compressedSize;
} }
@ -545,12 +546,13 @@ public class Snappy
int cPos = compressed.position(); int cPos = compressed.position();
int cLen = compressed.remaining(); int cLen = compressed.remaining();
int uPos = uncompressed.position();
// pos limit // pos limit
// [ ......UUUUUU.........] // [ ......UUUUUU.........]
int decompressedSize = impl.rawUncompress(compressed, cPos, cLen, uncompressed, int decompressedSize = impl.rawUncompress(compressed, cPos, cLen, uncompressed,
uncompressed.position()); uPos);
uncompressed.limit(uncompressed.position() + decompressedSize); uncompressed.limit(uPos + decompressedSize);
return decompressedSize; return decompressedSize;
} }