stdiosupp.cxx

ecos为实时嵌入式操作系统

//===========================================================================
//
//      stdiosupp.cxx
//
//      Helper C library functions for standard I/O
//
//===========================================================================
//####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:         1999-03-04
// Purpose:     
// Description: 
// Usage:       
//
//####DESCRIPTIONEND####
//
//===========================================================================

// CONFIGURATION

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


// Include the C library? And do we want the stdio stuff?
#ifdef CYGPKG_LIBC_STDIO

// INCLUDES

#include <cyg/infra/cyg_type.h>    // Common project-wide type definitions
#include <stddef.h>                // NULL and size_t from compiler
#include <cyg/io/io.h>             // I/O system
#include "clibincl/stringsupp.hxx" // _strncmp() and _strcmp()
#include "clibincl/stdiosupp.hxx"  // Header for this file

externC void cyg_io_init(void);

cyg_io_handle_t
Cyg_libc_stdio_find_filename( const char *filename )
{
    cyg_io_handle_t dev=NULL;
    // FIXME - Remove this call to 'cyg_io_init()' when contructor
    // priority bug PR 19285 is fixed
    cyg_io_init();
    cyg_io_lookup(filename, &dev);
    
    return dev;
} // Cyg_libc_stdio_find_filename()


#endif // ifdef CYGPKG_LIBC_STDIO

// EOF stdiosupp.cxx