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66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/****************************************************************************
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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 fgets() - read string from stream.
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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 "fileacc.h"
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_WCRTLINK CHAR_TYPE *__F_NAME(fgets,fgetws)( CHAR_TYPE *s, int n, FILE *fp )
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{
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INTCHAR_TYPE c;
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CHAR_TYPE *cs;
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unsigned oflag;
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_ValidFile( fp, 0 );
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_AccessFile( fp );
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oflag = fp->_flag & (_SFERR | _EOF); /* 06-sep-91 */
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fp->_flag &= ~(_SFERR | _EOF);
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cs = s;
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/* don't use macro version of getc: multi-threading issues */
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while( (--n > 0) && (c = __F_NAME(fgetc,fgetwc)( fp )) != __F_NAME(EOF,WEOF) ) {
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if( (*cs++ = c) == __F_NAME('\n',L'\n') )
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break;
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}
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if( c == __F_NAME(EOF,WEOF) && (cs == s || ferror( fp )) ) {
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s = NULL;
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} else {
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*cs = NULLCHAR;
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}
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fp->_flag |= oflag; /* 06-sep-91 */
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_ReleaseFile( fp );
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return( s );
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}
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