#include timex_t timex_add(const timex_t a, const timex_t b) { timex_t result; result.seconds = a.seconds + b.seconds; result.nanoseconds = a.nanoseconds + b.nanoseconds; while (result.nanoseconds > 1000*1000) { result.nanoseconds -= 1000*1000; result.seconds++; } return result; } timex_t timex_set(uint32_t seconds, uint32_t nanoseconds) { timex_t result; result.seconds = seconds; result.nanoseconds = nanoseconds; while (result.nanoseconds > 1000*1000) { result.nanoseconds -= 1000*1000; result.seconds++; } return result; } timex_t timex_sub(const timex_t a, const timex_t b) { timex_t result; result.seconds = a.seconds - b.seconds; result.nanoseconds = a.nanoseconds - b.nanoseconds; return result; }