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/* simplified linux fflush.c
Copyright (C) 1995 Joel N. Weber II
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <unistd.h>
#include "stdio.h"
int fflush(stream)
FILE *stream;
{
if (stream == 0) return 0;
if ((stream->file_mode == _MODE_WRITE)
||(stream->file_mode == (_MODE_WRITE & _MODE_RDWR))){
write(stream->fd, (char *) stream->bufstart,
stream->bufpos - stream->bufstart);
stream->bufpos = stream->bufstart;
}
return 0;
}
/* TODO: return EOF or 0; support NULL stream */
/* The only place an error can come from is the write; you're not checking RDB
*/
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