66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
|
/****************************************************************************
|
||
|
|
*
|
||
|
|
* Open Watcom Project
|
||
|
|
*
|
||
|
|
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* ========================================================================
|
||
|
|
*
|
||
|
|
* This file contains Original Code and/or Modifications of Original
|
||
|
|
* Code as defined in and that are subject to the Sybase Open Watcom
|
||
|
|
* Public License version 1.0 (the 'License'). You may not use this file
|
||
|
|
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
|
||
|
|
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
|
||
|
|
* provided with the Original Code and Modifications, and is also
|
||
|
|
* available at www.sybase.com/developer/opensource.
|
||
|
|
*
|
||
|
|
* The Original Code and all software distributed under the License are
|
||
|
|
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
||
|
|
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
|
||
|
|
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
|
||
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
|
||
|
|
* NON-INFRINGEMENT. Please see the License for the specific language
|
||
|
|
* governing rights and limitations under the License.
|
||
|
|
*
|
||
|
|
* ========================================================================
|
||
|
|
*
|
||
|
|
* Description: Implementation of fgets() - read string from stream.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
#include "variety.h"
|
||
|
|
#include "widechar.h"
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "fileacc.h"
|
||
|
|
|
||
|
|
|
||
|
|
_WCRTLINK CHAR_TYPE *__F_NAME(fgets,fgetws)( CHAR_TYPE *s, int n, FILE *fp )
|
||
|
|
{
|
||
|
|
INTCHAR_TYPE c;
|
||
|
|
CHAR_TYPE *cs;
|
||
|
|
unsigned oflag;
|
||
|
|
|
||
|
|
_ValidFile( fp, 0 );
|
||
|
|
_AccessFile( fp );
|
||
|
|
|
||
|
|
oflag = fp->_flag & (_SFERR | _EOF); /* 06-sep-91 */
|
||
|
|
fp->_flag &= ~(_SFERR | _EOF);
|
||
|
|
cs = s;
|
||
|
|
|
||
|
|
/* don't use macro version of getc: multi-threading issues */
|
||
|
|
while( (--n > 0) && (c = __F_NAME(fgetc,fgetwc)( fp )) != __F_NAME(EOF,WEOF) ) {
|
||
|
|
if( (*cs++ = c) == __F_NAME('\n',L'\n') )
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( c == __F_NAME(EOF,WEOF) && (cs == s || ferror( fp )) ) {
|
||
|
|
s = NULL;
|
||
|
|
} else {
|
||
|
|
*cs = NULLCHAR;
|
||
|
|
}
|
||
|
|
fp->_flag |= oflag; /* 06-sep-91 */
|
||
|
|
_ReleaseFile( fp );
|
||
|
|
return( s );
|
||
|
|
}
|