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Fixing bug related to int overflow as described by this issue raised … #18

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Fixing bug related to int overflow as described by this issue raised … #18

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2 changes: 1 addition & 1 deletion src/main/java/net/agkn/hll/serialization/BigEndianAscendingWordDeserializer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -100,7 +100,7 @@ private long readWord(final int position) {
}

// First bit of the word
final long firstBitIndex = (position * wordLength);
final long firstBitIndex = ((long)position) * ((long)wordLength);
final int firstByteIndex = (bytePadding + (int)(firstBitIndex / BITS_PER_BYTE));
final int firstByteSkipBits = (int)(firstBitIndex % BITS_PER_BYTE);

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2 changes: 1 addition & 1 deletion src/main/java/net/agkn/hll/serialization/BigEndianAscendingWordSerializer.java
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Expand Up @@ -86,7 +86,7 @@ public BigEndianAscendingWordSerializer(final int wordLength, final int wordCoun
this.wordLength = wordLength;
this.wordCount = wordCount;

final long bitsRequired = (wordLength * wordCount);
final long bitsRequired = ((long)wordLength) * ((long)wordCount);
final boolean leftoverBits = ((bitsRequired % BITS_PER_BYTE) != 0);
final int bytesRequired = (int)(bitsRequired / BITS_PER_BYTE) + (leftoverBits ? 1 : 0) + bytePadding;
bytes = new byte[bytesRequired];
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