提交: e749267909f879ac3e8b8cf681c2c6067d056a96 - mruby_brightv_port (git)

mrubyを超漢字で動作させる

Commit MetaInfo

• 修訂: e749267909f879ac3e8b8cf681c2c6067d056a96 (tree)
• 時間: 2014-07-02 10:28:10
• 作者: Yukihiro "Matz" Matsumoto <matz@ruby...>
• Commiter: Yukihiro "Matz" Matsumoto

Log Message

time overflow check; ref #2337

Change Summary

• modified: mrbgems/mruby-time/src/time.c

差異

--- a/mrbgems/mruby-time/src/time.c
+++ b/mrbgems/mruby-time/src/time.c
@@ -201,6 +201,13 @@ time_alloc(mrb_state *mrb, double sec, double usec, enum mrb_timezone timezone)
 
   tm = (struct mrb_time *)mrb_malloc(mrb, sizeof(struct mrb_time));
   tm->sec  = (time_t)sec;
+  if (sizeof(time_t) == 4 && (sec > (double)INT32_MAX || (double)INT32_MIN > sec)) {
+    goto out_of_range;
+  }
+  else if ((sec > 0 && tm->sec < 0) || (sec < 0 && (double)tm->sec > sec)) {
+  out_of_range:
+    mrb_raisef(mrb, E_ARGUMENT_ERROR, "%S out of Time range", mrb_float_value(mrb, sec));
+  }
   tm->usec = (time_t)((sec - tm->sec) * 1.0e6 + usec);
   while (tm->usec < 0) {
     tm->sec--;