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/*
(C) 2011 Mika Ilmaranta
*/
#include <syslog.h>
#include "defs.h"
#include "timecalc.h"
int timeval_diff_cmp(struct timeval *a, struct timeval *b, int operation, time_t sec, suseconds_t usec) {
time_t diff_sec;
suseconds_t diff_usec;
diff_sec = a->tv_sec - b->tv_sec;
diff_usec = a->tv_usec - b->tv_usec;
if(diff_usec < 0) {
diff_sec--;
diff_usec = 1000000L + diff_usec;
}
switch(operation) {
case TIMEVAL_DIFF_CMP_GT:
if(diff_sec > sec) return(TRUE);
if(diff_sec == sec && diff_usec > usec) return(TRUE);
return(FALSE);
break;
case TIMEVAL_DIFF_CMP_LT:
if(diff_sec < sec) return(TRUE);
if(diff_sec == sec && diff_usec < usec) return(TRUE);
return(FALSE);
break;
default:
syslog(LOG_ERR, "%s: %s: warning: unknown timeval_diff_cmp operation requested %d", __FILE__, __FUNCTION__, operation);
return(FALSE);
}
}
long timeval_diff(struct timeval *a, struct timeval *b)
{
return( ((a->tv_sec - b->tv_sec) * 1000000L) + (a->tv_usec - b->tv_usec) );
}
void timeval_add(struct timeval *a, time_t sec, suseconds_t usec)
{
a->tv_sec += sec;
a->tv_usec += usec;
if(a->tv_usec >= 1000000L) {
a->tv_sec++;
a->tv_usec -= 1000000L;
}
}
/* EOF */
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