fix coverity warnings in tw_timer_template.c
Best guess, tested carefully, should do no harm. Clang doesn't
complain either way; it's not certain that this patch will make the
coverity warnings in tw_timer_template.c disappear.
@@ -132,13 +132,13 @@ TW (tw_timer_start) (TWT (tw_timer_wheel) * tw, u32 pool_index, u32 timer_id,
#endif
glacier_ring_offset = interval >> (2 * TW_RING_SHIFT);
- ASSERT (glacier_ring_offset < TW_SLOTS_PER_RING);
- interval -= (glacier_ring_offset << (2 * TW_RING_SHIFT));
+ ASSERT ((u64) glacier_ring_offset < TW_SLOTS_PER_RING);
+ interval -= (((u64) glacier_ring_offset) << (2 * TW_RING_SHIFT));
#endif
#if TW_TIMER_WHEELS > 1
slow_ring_offset = interval >> TW_RING_SHIFT;
- ASSERT (slow_ring_offset < TW_SLOTS_PER_RING);
- interval -= (slow_ring_offset << TW_RING_SHIFT);
+ ASSERT ((u64) slow_ring_offset < TW_SLOTS_PER_RING);
+ interval -= (((u64) slow_ring_offset) << TW_RING_SHIFT);
#endif
fast_ring_offset = interval & TW_RING_MASK;
