ack/lang/pc/libpc/outcpt.c
1984-07-20 10:44:57 +00:00

50 lines
960 B
C

/*
* (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>
#include <pc_err.h>
#define EINTR 4
extern int errno;
extern _trp();
extern int write();
_flush(f) struct file *f; {
int i,n;
f->ptr = f->bufadr;
n = f->buflen - f->count;
if (n <= 0)
return;
f->count = f->buflen;
if ((i = write(f->ufd,f->bufadr,n)) < 0 && errno == EINTR)
return;
if (i != n)
_trp(EWRITE);
}
_outcpt(f) struct file *f; {
f->flags &= ~ELNBIT;
f->ptr += f->size;
if ((f->count -= f->size) <= 0)
_flush(f);
}