matherr.c

来自「ecos为实时嵌入式操作系统」· C语言 代码 · 共 78 行

//===========================================================================
//
//      matherr.c
//
//      Default matherr() error handler
//
//===========================================================================
//####COPYRIGHTBEGIN####
//
// -------------------------------------------
// The contents of this file are subject to the Cygnus eCos Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License.  You may obtain a copy of the License at
// http://sourceware.cygnus.com/ecos
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
// License for the specific language governing rights and limitations under
// the License.
// 
// The Original Code is eCos - Embedded Cygnus Operating System, released
// September 30, 1998.
// 
// The Initial Developer of the Original Code is Cygnus.  Portions created
// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.
// -------------------------------------------
//
//####COPYRIGHTEND####
//===========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   jlarmour
// Contributors:  jlarmour
// Date:        1998-02-13
// Purpose:     
// Description: Contains an empty default matherr() function which the user
//              can override if they want
// Usage:       
//
//####DESCRIPTIONEND####
//
//===========================================================================

// CONFIGURATION

#include <pkgconf/libm.h>   // Configuration header

// Include the Math library?
#if defined(CYGPKG_LIBM)

// INCLUDES

#include <cyg/infra/cyg_type.h>    // Common type definitions and support
#include <cyg/infra/cyg_trac.h>    // Tracing macros

#include <math.h>                  // Main header for math library
#include "mathincl/fdlibm.h"       // Internal header for math library

int
matherr( struct exception *x ) __attribute__ ((weak));

int
matherr( struct exception *x )
{
    CYG_REPORT_FUNCNAMETYPE( "matherr", "returning %d" );

    CYG_UNUSED_PARAM( struct exception *, x );
    CYG_EMPTY_STATEMENT;

    CYG_REPORT_RETVAL( 0 );
    return 0;
} // matherr()


#endif // if defined(CYGPKG_LIBM)

// EOF matherr.c