Refactor `time.c` regarding memory allocation.
MODIFY
mrbgems/mruby-time/src/time.c
mrbgems/mruby-time/src/time.c
@@ -205,17 +205,18 @@ static struct mrb_time*
time_update_datetime(mrb_state *mrb, struct mrb_time *self, int dealloc)
{
struct tm *aid;
+ time_t t = self->sec;
if (self->timezone == MRB_TIMEZONE_UTC) {
- aid = gmtime_r(&self->sec, &self->datetime);
+ aid = gmtime_r(&t, &self->datetime);
}
else {
- aid = localtime_r(&self->sec, &self->datetime);
+ aid = localtime_r(&t, &self->datetime);
}
if (!aid) {
- mrb_float sec = (mrb_float)self->sec;
+ mrb_float sec = (mrb_float)t;
- mrb_free(mrb, self);
+ if (dealloc) mrb_free(mrb, self);
mrb_raisef(mrb, E_ARGUMENT_ERROR, "%S out of Time range", mrb_float_value(mrb, sec));
/* not reached */
return NULL;
@@ -292,24 +293,24 @@ mrb_time_make(mrb_state *mrb, struct RClass *c, double sec, double usec, enum mr
static struct mrb_time*
current_mrb_time(mrb_state *mrb)
{
+ struct mrb_time tmzero = {0};
struct mrb_time *tm;
+ time_t sec, usec;
- tm = (struct mrb_time *)mrb_malloc(mrb, sizeof(*tm));
#if defined(TIME_UTC) && !defined(__ANDROID__)
{
struct timespec ts;
if (timespec_get(&ts, TIME_UTC) == 0) {
- mrb_free(mrb, tm);
mrb_raise(mrb, E_RUNTIME_ERROR, "timespec_get() failed for unknown reasons");
}
- tm->sec = ts.tv_sec;
- tm->usec = ts.tv_nsec / 1000;
+ sec = ts.tv_sec;
+ usec = ts.tv_nsec / 1000;
}
#elif defined(NO_GETTIMEOFDAY)
{
static time_t last_sec = 0, last_usec = 0;
- tm->sec = time(NULL);
+ sec = time(NULL);
if (tm->sec != last_sec) {
last_sec = tm->sec;
last_usec = 0;
@@ -318,17 +319,20 @@ current_mrb_time(mrb_state *mrb)
/* add 1 usec to differentiate two times */
last_usec += 1;
}
- tm->usec = last_usec;
+ usec = last_usec;
}
#else
{
struct timeval tv;
gettimeofday(&tv, NULL);
- tm->sec = tv.tv_sec;
- tm->usec = tv.tv_usec;
+ sec = tv.tv_sec;
+ usec = tv.tv_usec;
}
#endif
+ tm = (struct mrb_time *)mrb_malloc(mrb, sizeof(*tm));
+ *tm = tmzero;
+ tm->sec = sec; tm->usec = usec;
tm->timezone = MRB_TIMEZONE_LOCAL;
time_update_datetime(mrb, tm, TRUE);

Refactor `time.c` regarding memory allocation.