===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/awk/run.c,v
retrieving revision 1.64
retrieving revision 1.65
diff -c -r1.64 -r1.65
*** src/usr.bin/awk/run.c	2020/07/20 18:55:15	1.64
--- src/usr.bin/awk/run.c	2020/07/20 18:57:19	1.65
***************
*** 1,4 ****
! /*	$OpenBSD: run.c,v 1.64 2020/07/20 18:55:15 millert Exp $	*/
  /****************************************************************
  Copyright (C) Lucent Technologies 1997
  All Rights Reserved
--- 1,4 ----
! /*	$OpenBSD: run.c,v 1.65 2020/07/20 18:57:19 millert Exp $	*/
  /****************************************************************
  Copyright (C) Lucent Technologies 1997
  All Rights Reserved
***************
*** 1950,1956 ****
  			continue;
  		if (ferror(files[i].fp))
  			FATAL("i/o error occurred on %s", files[i].fname);
! 		if (files[i].mode == '|' || files[i].mode == LE)
  			stat = pclose(files[i].fp) == -1;
  		else
  			stat = fclose(files[i].fp) == EOF;
--- 1950,1959 ----
  			continue;
  		if (ferror(files[i].fp))
  			FATAL("i/o error occurred on %s", files[i].fname);
! 		if (files[i].fp == stdin || files[i].fp == stdout ||
! 		    files[i].fp == stderr)
! 			stat = freopen("/dev/null", "r+", files[i].fp) == NULL;
! 		else if (files[i].mode == '|' || files[i].mode == LE)
  			stat = pclose(files[i].fp) == -1;
  		else
  			stat = fclose(files[i].fp) == EOF;
***************
*** 1960,1965 ****
--- 1963,1969 ----
  			xfree(files[i].fname);
  		files[i].fname = NULL;	/* watch out for ref thru this */
  		files[i].fp = NULL;
+ 		break;
   	}
   	tempfree(x);
   	x = gettemp();