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win32ole.c: check overflow

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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-08-19 01:29:45 +00:00
parent b38142e972
commit f9b7a2a33f
1 changed files with 1 additions and 1 deletions
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2
ext/win32ole/win32ole.c
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@ -2553,7 +2553,7 @@ ole_invoke(int argc, VALUE *argv, VALUE self, USHORT wFlags, BOOL is_bracket)
/*------------------------------------------
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);