From 045c1d602dcba57868845ba3270510593c39480f Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 15 May 2008 23:34:41 +0000 Subject: merge glitch-free branch back into trunk git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2445 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/pulse/timeval.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'src/pulse/timeval.c') diff --git a/src/pulse/timeval.c b/src/pulse/timeval.c index 70ceb71e..180e0159 100644 --- a/src/pulse/timeval.c +++ b/src/pulse/timeval.c @@ -148,6 +148,24 @@ struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v) { return tv; } +struct timeval* pa_timeval_sub(struct timeval *tv, pa_usec_t v) { + unsigned long secs; + pa_assert(tv); + + secs = (unsigned long) (v/PA_USEC_PER_SEC); + tv->tv_sec -= secs; + v -= ((pa_usec_t) secs) * PA_USEC_PER_SEC; + + if (tv->tv_usec >= (suseconds_t) v) + tv->tv_usec -= (suseconds_t) v; + else { + tv->tv_sec --; + tv->tv_usec = tv->tv_usec + PA_USEC_PER_SEC - v; + } + + return tv; +} + struct timeval* pa_timeval_store(struct timeval *tv, pa_usec_t v) { pa_assert(tv); -- cgit