On Sat, 22 Jul 2006 23:30:13 PDT, heavenscape said:
Not strictly a gtk question, but a general C programming question.
What the heck, I'm waiting for a box to reboot... ;)
> gettimeofday(&tv1,NULL);
int rc;
if (!(rc = gettimeofday(&tv1,NULL)) {
printf ("gettimeofday 1 failed, rc=%d errno=%d\n",rc,errno);
}
> gettimeofday(&tv2,NULL);
if (!(rc = gettimeofday(&tv2,NULL)) {
printf ("gettimeofday 2 failed, rc=%d errno=%d\n",rc,errno);
}
Always check return codes. gettimeofday() *can* fail (most likely,
tv1 and/or tv2 are bum pointers that don't point where you think).
> Anyone knows why?
If both calls are actually succeeding, you might want to do this:
printf("tv1=%d.%d tv2=%d.%d\n",tv1.tv_sec,tv1.tv_usec,tv2.tv_sec,tv2.tv_usec);
So you can see which valye is bogus (rather than trying to look at the difference
and tell from that...)
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