forked from KolibriOS/kolibrios
update CLib
git-svn-id: svn://kolibrios.org@614 a494cfbc-eb01-0410-851d-a64ba20cac60
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99
programs/develop/open watcom/trunk/clib/streamio/fprtf.c
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99
programs/develop/open watcom/trunk/clib/streamio/fprtf.c
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/****************************************************************************
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*
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* Open Watcom Project
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*
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* ========================================================================
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*
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* This file contains Original Code and/or Modifications of Original
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* Code as defined in and that are subject to the Sybase Open Watcom
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* Public License version 1.0 (the 'License'). You may not use this file
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* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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* provided with the Original Code and Modifications, and is also
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* available at www.sybase.com/developer/opensource.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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* NON-INFRINGEMENT. Please see the License for the specific language
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* governing rights and limitations under the License.
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*
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* ========================================================================
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*
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* Description: Implementation of printf() - formatted output.
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*
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****************************************************************************/
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#include "variety.h"
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#include "widechar.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include "rtdata.h"
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#include "fileacc.h"
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#include "printf.h"
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#include "fprtf.h"
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#include "orient.h"
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#include "flush.h"
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#include "streamio.h"
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/*
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* file_putc -- write a character to a file
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*/
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static slib_callback_t file_putc; // setup calling convention
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static void __SLIB_CALLBACK file_putc( SPECS __SLIB *specs, int op_char )
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{
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__F_NAME(fputc,fputwc)( op_char, (FILE *)specs->_dest );
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specs->_output_count++;
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}
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int __F_NAME(__fprtf,__fwprtf)( FILE *fp, const CHAR_TYPE *format, va_list arg )
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{
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int not_buffered;
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int amount_written;
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unsigned oflag;
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slib_callback_t *tmp;
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_ValidFile( fp, 0 );
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_AccessFile( fp );
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/*** Deal with stream orientation ***/
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ORIENT_STREAM(fp,0);
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oflag = fp->_flag & (_SFERR | _EOF); /* 06-sep-91 */
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fp->_flag &= ~(_SFERR | _EOF);
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if( _FP_BASE(fp) == NULL ) {
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__ioalloc( fp ); /* allocate buffer */
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}
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not_buffered = 0;
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if( fp->_flag & _IONBF ) {
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not_buffered = 1;
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fp->_flag &= ~_IONBF;
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fp->_flag |= _IOFBF;
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}
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#if defined( __386__ ) && defined( __QNX__ )
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/* avoid some segment relocations for 32-bit QNX */
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tmp = (void (*)())file_putc;
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#else
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tmp = file_putc;
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#endif
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amount_written = __F_NAME(__prtf,__wprtf)( fp, format, arg, tmp );
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if( not_buffered ) {
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fp->_flag &= ~_IOFBF;
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fp->_flag |= _IONBF;
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__flush( fp );
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}
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if( ferror( fp ) )
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amount_written = -1; /* 06-sep-91 */
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fp->_flag |= oflag;
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_ReleaseFile( fp );
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return( amount_written );
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}
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