From 06a946abb2ee0f23bb48a3841d9b95c0e76c3467 Mon Sep 17 00:00:00 2001
From: cremno <cremno@mail.ru>
Date: Sun, 13 Apr 2014 16:43:13 +0200
Subject: mruby-time: fix check of  `mktime`'s return value

>If the calendar time cannot be represented, the function returns the
value (time_t)(-1).
http://www.iso-9899.info/n1256.html#7.23.2.3p3
---
 mrbgems/mruby-time/src/time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mrbgems/mruby-time/src/time.c b/mrbgems/mruby-time/src/time.c
index 076946123..1ffab9ae6 100644
--- a/mrbgems/mruby-time/src/time.c
+++ b/mrbgems/mruby-time/src/time.c
@@ -293,7 +293,7 @@ time_mktime(mrb_state *mrb, mrb_int ayear, mrb_int amonth, mrb_int aday,
   else {
     nowsecs = mktime(&nowtime);
   }
-  if (nowsecs < 0) {
+  if (nowsecs == (time_t)-1) {
     mrb_raise(mrb, E_ARGUMENT_ERROR, "Not a valid time.");
   }
 
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