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[svn] Abort if wtimer_update is called on an uninitialized timer.

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On the other hand, allow wtimer_read on such a timer.
This commit is contained in:
hniksic 2003-11-08 08:13:54 -08:00
parent 0bd6576cde
commit cb393a062d
2 changed files with 17 additions and 2 deletions
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7
src/ChangeLog
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@ -1,3 +1,10 @@
2003-11-08 Hrvoje Niksic <hniksic@xemacs.org>
* utils.c (wtimer_allocate): Bless the use of wtimer_read on a
timer that has merely been allocated because get_contents() does
that.
(wtimer_update): Abort if the timer is not initialized.
2003-11-08 Hrvoje Niksic <hniksic@xemacs.org>
* retr.c (get_contents): Pass the timer to limit_bandwidth().

12
src/utils.c
View File

@ -1318,6 +1318,9 @@ typedef ULARGE_INTEGER wget_sys_time;
#endif
struct wget_timer {
/* Whether the start time has been initialized. */
int initialized;
/* The starting point in time which, subtracted from the current
time, yields elapsed time. */
wget_sys_time start;
@ -1331,13 +1334,15 @@ struct wget_timer {
double elapsed_pre_start;
};
/* Allocate a timer. It is not legal to do anything with a freshly
allocated timer, except call wtimer_reset() or wtimer_delete(). */
/* Allocate a timer. Calling wtimer_read on the timer will return
zero. It is not legal to call wtimer_update with a freshly
allocated timer -- use wtimer_reset first. */
struct wget_timer *
wtimer_allocate (void)
{
struct wget_timer *wt = xnew (struct wget_timer);
xzero (*wt);
return wt;
}
@ -1408,6 +1413,7 @@ wtimer_reset (struct wget_timer *wt)
wtimer_sys_set (&wt->start);
wt->elapsed_last = 0;
wt->elapsed_pre_start = 0;
wt->initialized = 1;
}
static double
@ -1444,6 +1450,8 @@ wtimer_update (struct wget_timer *wt)
wget_sys_time now;
double elapsed;
assert (wt->initialized != 0);
wtimer_sys_set (&now);
elapsed = wt->elapsed_pre_start + wtimer_sys_diff (&now, &wt->start);