NAME
__pmConvertTime - convert tm structure to timeval struc
ture
C SYNOPSIS
#include <pcp/pmapi.h>
#include <pcp/impl.h>
int __pmConvertTime(struct tm *tmin, struct timeval *ori
gin, struct timeval *rslt)
cc ... -lpcp
DESCRIPTION
__pmConvertTime accepts a tm structure that has been
filled in by __pmParseCtime(3) and a reference time point
origin, and fills in the given rslt structure with the
time the user meant when he specified a partial ctime or
positive or negative time interval.
Typically, the argument origin is the start time for a PCP
archive log, unless the user specified a negative interval
offset, in which case it is the end time of the log.
__pmConvertTime returns 0 if succesful. It returns -1 and
writes an error message to stderr, if an error is
detected.
Use pmNewZone(3), pmNewContextZone(3) or pmUseZone(3) to
establish a new current timezone that will effect __pmCon
vertTime.
SEE ALSO
PMAPI(3), pmNewContextZone(3), pmNewZone(3), pmParseInter
val(3), pmParseTimeWindow(3), pmUseZone(3), __pmParseC
time(3) and __pmParseTime(3).
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