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ruby-changes:35137

From: nobu <ko1@a...>
Date: Tue, 19 Aug 2014 10:29:50 +0900 (JST)
Subject: [ruby-changes:35137] nobu:r47219 (trunk): win32ole.c: check overflow

nobu	2014-08-19 10:29:45 +0900 (Tue, 19 Aug 2014)

  New Revision: 47219

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47219

  Log:
    win32ole.c: check overflow
    
    * ext/win32ole/win32ole.c (ole_invoke): check integer overflow on
      win64 platforms.

  Modified files:
    trunk/ext/win32ole/win32ole.c
Index: ext/win32ole/win32ole.c
===================================================================
--- ext/win32ole/win32ole.c	(revision 47218)
+++ ext/win32ole/win32ole.c	(revision 47219)
@@ -2553,7 +2553,7 @@ ole_invoke(int argc, VALUE *argv, VALUE https://github.com/ruby/ruby/blob/trunk/ext/win32ole/win32ole.c#L2553
         /*------------------------------------------
           hash object ==> named dispatch parameters
         --------------------------------------------*/
-        cNamedArgs = RHASH_SIZE(param);
+        cNamedArgs = rb_long2int(RHASH_SIZE(param));
         op.dp.cArgs = cNamedArgs + argc - 2;
         op.pNamedArgs = ALLOCA_N(OLECHAR*, cNamedArgs + 1);
         op.dp.rgvarg = ALLOCA_N(VARIANTARG, op.dp.cArgs);

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