Free `struct mrb_time` before error; fix
To avoid memory leak from `time_update_datetime`.
MODIFY
mrbgems/mruby-time/src/time.c
mrbgems/mruby-time/src/time.c
@@ -198,9 +198,10 @@ struct mrb_time {
static const struct mrb_data_type mrb_time_type = { "Time", mrb_free };
/** Updates the datetime of a mrb_time based on it's timezone and
-seconds setting. Returns self on success, NULL of failure. */
+ seconds setting. Returns self on success, NULL of failure.
+ if `dealloc` is set `true`, it frees `self` on error. */
static struct mrb_time*
-time_update_datetime(mrb_state *mrb, struct mrb_time *self)
+time_update_datetime(mrb_state *mrb, struct mrb_time *self, int dealloc)
{
struct tm *aid;
@@ -211,7 +212,10 @@ time_update_datetime(mrb_state *mrb, struct mrb_time *self)
aid = localtime_r(&self->sec, &self->datetime);
}
if (!aid) {
- mrb_raisef(mrb, E_ARGUMENT_ERROR, "%S out of Time range", mrb_float_value(mrb, (mrb_float)self->sec));
+ mrb_float sec = (mrb_float)self->sec;
+
+ mrb_free(mrb, self);
+ mrb_raisef(mrb, E_ARGUMENT_ERROR, "%S out of Time range", mrb_float_value(mrb, sec));
/* not reached */
return NULL;
}
@@ -273,7 +277,7 @@ time_alloc(mrb_state *mrb, double sec, double usec, enum mrb_timezone timezone)
tm->sec += sec2;
}
tm->timezone = timezone;
- time_update_datetime(mrb, tm);
+ time_update_datetime(mrb, tm, TRUE);
return tm;
}
@@ -325,7 +329,7 @@ current_mrb_time(mrb_state *mrb)
}
#endif
tm->timezone = MRB_TIMEZONE_LOCAL;
- time_update_datetime(mrb, tm);
+ time_update_datetime(mrb, tm, TRUE);
return tm;
}
@@ -616,7 +620,7 @@ mrb_time_getutc(mrb_state *mrb, mrb_value self)
tm2 = (struct mrb_time *)mrb_malloc(mrb, sizeof(*tm));
*tm2 = *tm;
tm2->timezone = MRB_TIMEZONE_UTC;
- time_update_datetime(mrb, tm2);
+ time_update_datetime(mrb, tm2, TRUE);
return mrb_time_wrap(mrb, mrb_obj_class(mrb, self), tm2);
}
@@ -631,7 +635,7 @@ mrb_time_getlocal(mrb_state *mrb, mrb_value self)
tm2 = (struct mrb_time *)mrb_malloc(mrb, sizeof(*tm));
*tm2 = *tm;
tm2->timezone = MRB_TIMEZONE_LOCAL;
- time_update_datetime(mrb, tm2);
+ time_update_datetime(mrb, tm2, TRUE);
return mrb_time_wrap(mrb, mrb_obj_class(mrb, self), tm2);
}
@@ -709,7 +713,7 @@ mrb_time_localtime(mrb_state *mrb, mrb_value self)
tm = time_get_ptr(mrb, self);
tm->timezone = MRB_TIMEZONE_LOCAL;
- time_update_datetime(mrb, tm);
+ time_update_datetime(mrb, tm, FALSE);
return self;
}
@@ -806,7 +810,7 @@ mrb_time_utc(mrb_state *mrb, mrb_value self)
tm = time_get_ptr(mrb, self);
tm->timezone = MRB_TIMEZONE_UTC;
- time_update_datetime(mrb, tm);
+ time_update_datetime(mrb, tm, FALSE);
return self;
}

Free `struct mrb_time` before error; fix #4308

To avoid memory leak from `time_update_datetime`.