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version 1.2, 2006/08/09 21:12:42
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version 1.3, 2006/11/10 18:14:58
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| int Time::subtract(timeval* result, timeval* x, timeval* y) | int Time::subtract(timeval* result, timeval* x, timeval* y) |
| { | { |
| /* Perform the carry for the later subtraction by updating Y. */ | /* Perform the carry for the later subtraction by updating Y. */ |
| if (x->tv_usec < y->tv_usec) { |
if (x->tv_usec < y->tv_usec) |
| |
{ |
| int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1; | int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1; |
| y->tv_usec -= 1000000 * nsec; | y->tv_usec -= 1000000 * nsec; |
| y->tv_sec += nsec; | y->tv_sec += nsec; |
| } | } |
| if (x->tv_usec - y->tv_usec > 1000000) { |
if (x->tv_usec - y->tv_usec > 1000000) |
| |
{ |
| int nsec = (x->tv_usec - y->tv_usec) / 1000000; | int nsec = (x->tv_usec - y->tv_usec) / 1000000; |
| y->tv_usec += 1000000 * nsec; | y->tv_usec += 1000000 * nsec; |
| y->tv_sec -= nsec; | y->tv_sec -= nsec; |
Return to
Time.cpp
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / Common