36 lines
781 B
C
Executable file
36 lines
781 B
C
Executable file
/* $Header$ */
|
|
/*
|
|
* (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 buff(var f:file of ?); */
|
|
|
|
buff(f) struct file *f; {
|
|
int sz;
|
|
|
|
if ((f->flags & (0377|WRBIT)) != (MAGIC|WRBIT))
|
|
return;
|
|
_flush(f);
|
|
sz = f->size;
|
|
f->count = f->buflen = (sz>PC_BUFLEN ? sz : PC_BUFLEN-PC_BUFLEN%sz);
|
|
}
|