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Fixed back API of Crc32cIntChecksum #3826

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merged 1 commit into from
Mar 1, 2023
Merged

Fixed back API of Crc32cIntChecksum #3826

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22 changes: 22 additions & 0 deletions circe-checksum/src/main/java/com/scurrilous/circe/checksum/Crc32cIntChecksum.java
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,28 @@ public static int computeChecksum(ByteBuf payload) {
return CRC32C_HASH.calculate(payload);
}

/**
* Computes crc32c checksum: if it is able to load crc32c native library then it computes using that native library
* which is faster as it computes using hardware machine instruction else it computes using crc32c algo.
*
* @param payload
* @return
*/
public static int computeChecksum(ByteBuf payload, int offset, int len) {
return CRC32C_HASH.calculate(payload, offset, len);
}

/**
* Computes incremental checksum with input previousChecksum and input payload
*
* @param previousChecksum : previously computed checksum
* @param payload
* @return
*/
public static int resumeChecksum(int previousChecksum, ByteBuf payload) {
return CRC32C_HASH.resume(previousChecksum, payload);
}

/**
* Computes incremental checksum with input previousChecksum and input payload
*
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