minix/lib/ack/libp/nobuff.c

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/* $Header$ */
/*
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
*
* This product is part of the Amsterdam Compiler Kit.
*
* Permission to use, sell, duplicate or disclose this software must be
* obtained in writing. Requests for such permissions may be sent to
*
* Dr. Andrew S. Tanenbaum
* Wiskundig Seminarium
* Vrije Universiteit
* Postbox 7161
* 1007 MC Amsterdam
* The Netherlands
*
*/
/* Author: J.W. Stevenson */
#include <pc_file.h>
extern _flush();
/* procedure nobuff(var f:file of ?); */
nobuff(f) struct file *f; {
if ((f->flags & (0377|WRBIT)) != (MAGIC|WRBIT))
return;
_flush(f);
f->count = f->buflen = f->size;
}