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//========================================================================
//
//      stdin.cxx
//
//      Initialization of stdin stream for ISO C library
//
//========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
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// for more details.
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// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
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// License. However the source code for this file must still be made available
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// this file might be covered by the GNU General Public License.
//
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//####ECOSGPLCOPYRIGHTEND####
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     jlarmour
// Contributors:  
// Date:          2000-04-20
// Purpose:       Initialization of stdin stream for ISO C library
// Description:   We put all this in a separate file in the hope that if
//                no-one uses stdin, then it is not included in the image
// Usage:         
//
//####DESCRIPTIONEND####
//
//========================================================================
 
// CONFIGURATION
 
#include <pkgconf/libc_stdio.h>          // Configuration header
 
// Don't let us get the stream definitions of stdin/out/err from stdio.h
// since we are going to break the type safety :-(
#define CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS
 
// And we don't need the stdio inlines, which will otherwise complain if
// stdin/out/err are not available
#ifdef CYGIMP_LIBC_STDIO_INLINES
# undef CYGIMP_LIBC_STDIO_INLINES
#endif
 
// INCLUDES
 
#include <cyg/infra/cyg_type.h>           // Common type definitions and support
#include <cyg/libc/stdio/stream.hxx>      // Cyg_StdioStream class
#include <cyg/libc/stdio/stdiofiles.hxx>  // C library files
#include <cyg/libc/stdio/stdiosupp.hxx>   // Cyg_libc_stdio_find_filename()
 
// CONSTANTS
 
// Use default libc priority to allow it to be the fd 0 if necessary
#define PRIO (CYG_INIT_LIBC)
 
// STATICS
 
Cyg_StdioStream
cyg_libc_stdio_stdin CYGBLD_ATTRIB_INIT_PRI(PRIO) = Cyg_StdioStream( 
    Cyg_libc_stdio_find_filename(CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE,
                                 Cyg_StdioStream::CYG_STREAM_READ, false, false),
    Cyg_StdioStream::CYG_STREAM_READ, false, false, _IOLBF );
 
 
// CLASSES
 
// This is a dummy class just so we can execute arbitrary code when
// stdin is requested
 
class cyg_libc_dummy_stdin_init_class {
public:
    cyg_libc_dummy_stdin_init_class(void) { 
        Cyg_libc_stdio_files::set_file_stream(0, &cyg_libc_stdio_stdin);
    }
};
 
// And here's an instance of the class just to make the code run
static cyg_libc_dummy_stdin_init_class cyg_libc_dummy_stdin_init
                                         CYGBLD_ATTRIB_INIT_PRI(PRIO);
 
// and finally stdin itself
__externC Cyg_StdioStream * const stdin;
Cyg_StdioStream * const stdin=&cyg_libc_stdio_stdin;
 
// EOF stdin.cxx