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//========================================================================
//
// stderr.cxx
//
// Initialization of stderr stream for ISO C library
//
//========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): jlarmour
// Contributors:
// Date: 2000-04-20
// Purpose: Initialization of stderr stream for ISO C library
// Description: We put all this in a separate file in the hope that if
// no-one uses stderr, 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
// add 2 to the priority to allow it to be the fd 2 if necessary
#define PRIO (CYG_INIT_LIBC+2)
// STATICS
Cyg_StdioStream
cyg_libc_stdio_stderr CYGBLD_ATTRIB_INIT_PRI(PRIO) = Cyg_StdioStream(
Cyg_libc_stdio_find_filename(CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE,
Cyg_StdioStream::CYG_STREAM_WRITE,
false, false),
Cyg_StdioStream::CYG_STREAM_WRITE, false, false, _IONBF, 0, NULL );
// CLASSES
// This is a dummy class just so we can execute arbitrary code when
// stderr is requested
class cyg_libc_dummy_stderr_init_class {
public:
cyg_libc_dummy_stderr_init_class(void) {
Cyg_libc_stdio_files::set_file_stream(2, &cyg_libc_stdio_stderr);
}
};
// And here's an instance of the class just to make the code run
static cyg_libc_dummy_stderr_init_class cyg_libc_dummy_stderr_init
CYGBLD_ATTRIB_INIT_PRI(PRIO);
// and finally stderr itself
__externC Cyg_StdioStream * const stderr;
Cyg_StdioStream * const stderr=&cyg_libc_stdio_stderr;
// EOF stderr.cxx
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