85 lines
2.6 KiB
C
85 lines
2.6 KiB
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 fscanf() - formatted stream input.
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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 "scanf.h"
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#include "fileacc.h"
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#include "orient.h"
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static int cget_file( PTR_SCNF_SPECS specs )
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{
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int c;
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if( (c = __F_NAME(getc,getwc)( (FILE *)specs->ptr )) == __F_NAME(EOF,WEOF) ) {
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specs->eoinp = 1;
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}
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return( c );
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}
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static void uncget_file( int c, PTR_SCNF_SPECS specs )
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{
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__F_NAME(ungetc,ungetwc)( c, (FILE *)specs->ptr );
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}
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_WCRTLINK int __F_NAME(vfscanf,vfwscanf)( FILE *io, const CHAR_TYPE *format, va_list args )
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{
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int rc;
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SCNF_SPECS specs;
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_AccessFile( io );
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/*** Deal with stream orientation ***/
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ORIENT_STREAM(io,0);
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specs.ptr = (CHAR_TYPE *)io;
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specs.cget_rtn = cget_file;
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specs.uncget_rtn = uncget_file;
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rc = __F_NAME(__scnf,__wscnf)( (PTR_SCNF_SPECS)&specs, format, args );
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_ReleaseFile( io );
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return( rc );
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}
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_WCRTLINK int __F_NAME(fscanf,fwscanf)( FILE *io, const CHAR_TYPE *format, ... )
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{
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va_list args;
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va_start( args, format );
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return( __F_NAME(vfscanf,vfwscanf)( io, format, args ) );
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}
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