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
Environment: Windows
Reporter: Travis Vitek
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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