`common.{c,h}`: generalize `elapsed_since_timeval()` originally from modbus drivers#3321

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jimklimov merged 1 commit intonetworkupstools:masterfrom

jimklimov:low-hanging-fruits

Feb 13, 2026

Commits on Feb 13, 2026

common/common.c, include/common.h, drivers/adelsystem_cbi.c, drivers/generic_modbus.c: generalize elapsed_since_timeval() [#1938]

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