aweisberg commented on code in PR #1951:
URL: https://github.com/apache/cassandra/pull/1951#discussion_r1014476658
##########
src/java/org/apache/cassandra/utils/ByteArrayUtil.java:
##########
@@ -195,6 +195,53 @@ public static void putDouble(byte[] b, int off, double
val) {
putLong(b, off, Double.doubleToLongBits(val));
}
+ /**
+ * An efficient way to write the type {@code bytes} of a long
+ *
+ * @param register - the long value to be written
+ * @param bytes - the number of bytes the register occupies. Valid values
are between 1 and 8 inclusive.
+ * @throws IOException
+ */
+ public static void putBytes(byte[] b, int off, long register, int bytes)
+ {
+ switch (bytes)
+ {
+ case 0:
+ break;
+ case 1:
+ b[off] = (byte)(register >>> 56);
+ break;
+ case 2:
+ putShort(b, off, (short)(register >> 48));
+ break;
+ case 3:
+ putShort(b, off, (short)(register >> 48));
+ b[off + 2] = (byte)(register >> 40);
+ break;
+ case 4:
+ putInt(b, off, (int)(register >> 32));
+ break;
+ case 5:
+ putInt(b, off, (int)(register >> 32));
+ b[off + 4] = (byte)(register >> 24);
+ break;
+ case 6:
+ putInt(b, off, (int)(register >> 32));
+ putShort(b, off + 4, (short)(register >> 16));
+ break;
+ case 7:
+ putInt(b, off, (int)(register >> 32));
+ putShort(b, off + 4, (short)(register >> 16));
Review Comment:
FYI still here
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