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Date: Tue, 4 Sep 2007 15:40:44 -0700 (PDT)
From: "Travis Vitek (JIRA)" <jira@apache.org>
To: stdcxx-dev@incubator.apache.org
Subject: [jira] Updated: (STDCXX-542) message catalog assert/crash after
 opening multiple
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     [ https://issues.apache.org/jira/browse/STDCXX-542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Travis Vitek updated STDCXX-542:
--------------------------------

        Fix Version/s: 4.2.1
    Affects Version/s: 4.1.2
                       4.1.3
                       4.1.4

2007-09-04 Travis Vitek <vitek@roguewave.com>

    STDCXX-542
    catalog.cpp (catclose): check bounds before index to avoid out of
    bound access

Index: catalog.cpp
===================================================================
--- catalog.cpp	(revision 570205)
+++ catalog.cpp	(working copy)
@@ -134,7 +134,7 @@
     delete __rw_catlist[i];
     __rw_catlist[i] = 0;
     CatVector::size_type j;
-    for (j = i+1; __rw_catlist[j] && j < __rw_catlist.size(); j++)
+    for (j = i+1; j < __rw_catlist.size() && __rw_catlist[j]; j++)
       __rw_catlist[j-1] = __rw_catlist[j];
     if (j < __rw_catlist.size())
       __rw_catlist[j] = 0;


> message catalog assert/crash after opening multiple
> ---------------------------------------------------
>
>                 Key: STDCXX-542
>                 URL: https://issues.apache.org/jira/browse/STDCXX-542
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization
>    Affects Versions: 4.1.2, 4.1.3, 4.1.4
>         Environment: Windows
>            Reporter: Travis Vitek
>            Assignee: Travis Vitek
>             Fix For: 4.2.1
>
>
> The below code asserts/crashes reliably on windows, but runs to completion on at least one other platform. Note that I copied the rwstdmessages.dll from the examples directory to simplify the testcase.
> C:\build\stdcxx\build\msvc-8.0\15d\tests>type t.cpp
> #include <iostream>
> #include <locale>
> #include <cassert>
> // note same problem occurs even if catalog files are
> // different.
> #ifdef _WIN32
> #  define CATALOG0 "rwstdmessages.dll"
> #  define CATALOG1 "rwstdmessages.dll"
> #else
> #  define CATALOG0 "./rwstdmessages.cat"
> #  define CATALOG1 "./rwstdmessages.cat"
> #endif
> int main (int argc, char *argv[])
> {
>     typedef std::messages<char> messagesT;
>     const std::locale loc;
>     const messagesT& msgs =
>         std::use_facet<messagesT>(loc);
>     const messagesT::catalog cat0 =
>         msgs.open (CATALOG0, loc);
>     assert(! (cat0 < 0)); // ensure open succeeded
>     const messagesT::catalog cat1 =
>         msgs.open (CATALOG1, loc);
>     assert(! (cat1 < 0)); // ensure open succeeded
>     msgs.close (cat1); // crash/assert here
>     msgs.close (cat0);
>     return 0;
> }
> C:\build\stdcxx\build\msvc-8.0\15d\tests>t
> C:\build\stdcxx\include\rw/_iterbase.h:436: class __rw::__rw_cat *&__thiscall __rw::__rw_debug_iter<class std::vector<class __rw::__rw_cat *,class std::allocator<class __rw::__rw_cat *> >,class __rw::__rw_cat * *,class __rw::__rw_cat * *>::operator *(void) const: Assertion '_C_is_dereferenceable ()'
>  failed.
> This application has requested the Runtime to terminate it in an unusual way.
> Please contact the application's support team for more information.

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