Mercurial > ecos
diff packages/language/c/libc/current/src/stdio/common/stdout.cxx @ 2:443894e2e912 ecos-v1_2_1-release
Block commit of eCos version 1.2.1
| author | jlarmour |
|---|---|
| date | Tue, 11 May 1999 12:24:34 +0000 |
| parents | |
| children | c38311975d4f |
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new file mode 100644 --- /dev/null +++ b/packages/language/c/libc/current/src/stdio/common/stdout.cxx @@ -0,0 +1,92 @@ +//======================================================================== +// +// stdout.cxx +// +// Initialization of stdout stream for ISO C library +// +//======================================================================== +//####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: 1999-01-15 +// Purpose: Initialization of stdout stream for ISO C library +// Description: We put all this in a separate file in the hope that if +// no-one uses stdout, then it is not included in the image +// Usage: +// +//####DESCRIPTIONEND#### +// +//======================================================================== + +// CONFIGURATION + +#include <pkgconf/libc.h> // Configuration header + +#ifdef CYGPKG_LIBC_STDIO + +// 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 "clibincl/stream.hxx" // Cyg_StdioStream class +#include "clibincl/stdiofiles.hxx" // C library files +#include "clibincl/stdiosupp.hxx" // Cyg_libc_stdio_find_filename() + +// STATICS + +Cyg_StdioStream +cyg_libc_stdio_stdout CYG_INIT_PRIORITY(LIBC) = Cyg_StdioStream( + Cyg_libc_stdio_find_filename(CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE), + Cyg_StdioStream::CYG_STREAM_WRITE, false, false, _IOLBF ); + +// CLASSES + +// This is a dummy class just so we can execute arbitrary code when +// stdout is requested + +class cyg_libc_dummy_stdout_init_class { +public: + cyg_libc_dummy_stdout_init_class(void) { + Cyg_libc_stdio_files::set_file_stream(1, &cyg_libc_stdio_stdout); + } +}; + +// And here's an instance of the class just to make the code run +static cyg_libc_dummy_stdout_init_class cyg_libc_dummy_stdout_init + CYG_INIT_PRIORITY(LIBC); + +#endif // ifdef CYGPKG_LIBC_STDIO + +// EOF stdout.cxx
