/*
    Copyright 2005-2015 Intel Corporation.  All Rights Reserved.

    This file is part of Threading Building Blocks. Threading Building Blocks is free software;
    you can redistribute it and/or modify it under the terms of the GNU General Public License
    version 2  as  published  by  the  Free Software Foundation.  Threading Building Blocks is
    distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
    implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    See  the GNU General Public License for more details.   You should have received a copy of
    the  GNU General Public License along with Threading Building Blocks; if not, write to the
    Free Software Foundation, Inc.,  51 Franklin St,  Fifth Floor,  Boston,  MA 02110-1301 USA

    As a special exception,  you may use this file  as part of a free software library without
    restriction.  Specifically,  if other files instantiate templates  or use macros or inline
    functions from this file, or you compile this file and link it with other files to produce
    an executable,  this file does not by itself cause the resulting executable to be covered
    by the GNU General Public License. This exception does not however invalidate any other
    reasons why the executable file might be covered by the GNU General Public License.
*/

// IMPORTANT: To use assertion handling in TBB, exactly one of the TBB source files
// should #include tbb_assert_impl.h thus instantiating assertion handling routines.
// The intent of putting it to a separate file is to allow some tests to use it
// as well in order to avoid dependency on the library.

// include headers for required function declarations
#include <cstdlib>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#if _MSC_VER
#include <crtdbg.h>
#endif

#if _MSC_VER >= 1400
#define __TBB_EXPORTED_FUNC   __cdecl
#else
#define __TBB_EXPORTED_FUNC
#endif

using namespace std;

#if __TBBMALLOC_BUILD
namespace rml { namespace internal {
#else
namespace tbb {
#endif
    //! Type for an assertion handler
    typedef void(*assertion_handler_type)( const char* filename, int line, const char* expression, const char * comment );

    static assertion_handler_type assertion_handler;

    assertion_handler_type __TBB_EXPORTED_FUNC set_assertion_handler( assertion_handler_type new_handler ) {
        assertion_handler_type old_handler = assertion_handler;
        assertion_handler = new_handler;
        return old_handler;
    }

    void __TBB_EXPORTED_FUNC assertion_failure( const char* filename, int line, const char* expression, const char* comment ) {
        if( assertion_handler_type a = assertion_handler ) {
            (*a)(filename,line,expression,comment);
        } else {
            static bool already_failed;
            if( !already_failed ) {
                already_failed = true;
                fprintf( stderr, "Assertion %s failed on line %d of file %s\n",
                         expression, line, filename );
                if( comment )
                    fprintf( stderr, "Detailed description: %s\n", comment );
#if _MSC_VER && _DEBUG
                if(1 == _CrtDbgReport(_CRT_ASSERT, filename, line, "tbb_debug.dll", "%s\r\n%s", expression, comment?comment:""))
                        _CrtDbgBreak();
#else
                fflush(stderr);
                abort();
#endif
            }
        }
    }

#if defined(_MSC_VER)&&_MSC_VER<1400
#   define vsnprintf _vsnprintf
#endif

#if !__TBBMALLOC_BUILD
    namespace internal {
        //! Report a runtime warning.
        void __TBB_EXPORTED_FUNC runtime_warning( const char* format, ... )
        {
            char str[1024]; memset(str, 0, 1024);
            va_list args; va_start(args, format);
            vsnprintf( str, 1024-1, format, args);
            va_end(args);
            fprintf( stderr, "TBB Warning: %s\n", str);
        }
    } // namespace internal
#endif

#if __TBBMALLOC_BUILD
}} // namespaces rml::internal
#else
}  // namespace tbb
#endif
