===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tee/tee.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -c -r1.12 -r1.13
*** src/usr.bin/tee/tee.c	2017/07/11 13:14:59	1.12
--- src/usr.bin/tee/tee.c	2021/11/21 16:15:43	1.13
***************
*** 1,4 ****
! /*	$OpenBSD: tee.c,v 1.12 2017/07/11 13:14:59 bluhm Exp $	*/
  /*	$NetBSD: tee.c,v 1.5 1994/12/09 01:43:39 jtc Exp $	*/
  
  /*
--- 1,4 ----
! /*	$OpenBSD: tee.c,v 1.13 2021/11/21 16:15:43 cheloha Exp $	*/
  /*	$NetBSD: tee.c,v 1.5 1994/12/09 01:43:39 jtc Exp $	*/
  
  /*
***************
*** 68,74 ****
  	struct list *p;
  	int fd;
  	ssize_t n, rval, wval;
- 	char *bp;
  	int append, ch, exitval;
  	char buf[8192];
  
--- 68,73 ----
***************
*** 112,127 ****
  
  	while ((rval = read(STDIN_FILENO, buf, sizeof(buf))) > 0) {
  		SLIST_FOREACH(p, &head, next) {
! 			n = rval;
! 			bp = buf;
! 			do {
! 				if ((wval = write(p->fd, bp, n)) == -1) {
  					warn("%s", p->name);
  					exitval = 1;
  					break;
  				}
! 				bp += wval;
! 			} while (n -= wval);
  		}
  	}
  	if (rval == -1) {
--- 111,124 ----
  
  	while ((rval = read(STDIN_FILENO, buf, sizeof(buf))) > 0) {
  		SLIST_FOREACH(p, &head, next) {
! 			for (n = 0; n < rval; n += wval) {
! 				wval = write(p->fd, buf + n, rval - n);
! 				if (wval == -1) {
  					warn("%s", p->name);
  					exitval = 1;
  					break;
  				}
! 			}
  		}
  	}
  	if (rval == -1) {