Alejandro Colomar 89e5a32966 lib/adds.[ch]: Add addsl() and addsl3() ...

These functions add 2 or 3 longs, saturating to LONG_{MIN,MAX} instead
of overflowing.

Cc: Tobias Stoeckmann <tobias@stoeckmann.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>

2024-01-05 15:45:08 -06:00

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