===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/sndioctl/sndioctl.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -c -r1.16 -r1.17
*** src/usr.bin/sndioctl/sndioctl.c	2021/03/03 09:40:43	1.16
--- src/usr.bin/sndioctl/sndioctl.c	2021/12/25 16:25:07	1.17
***************
*** 1,4 ****
! /*	$OpenBSD: sndioctl.c,v 1.16 2021/03/03 09:40:43 ratchov Exp $	*/
  /*
   * Copyright (c) 2014-2020 Alexandre Ratchov <alex@caoua.org>
   *
--- 1,4 ----
! /*	$OpenBSD: sndioctl.c,v 1.17 2021/12/25 16:25:07 ratchov Exp $	*/
  /*
   * Copyright (c) 2014-2020 Alexandre Ratchov <alex@caoua.org>
   *
***************
*** 706,711 ****
--- 706,716 ----
  		}
  		break;
  	case SIOCTL_SEL:
+ 		if (*pos == '\0') {
+ 			fprintf(stderr, "%s.%s: expects value\n", astr, func);
+ 			exit(1);
+ 		}
+ 		/* FALLTROUGH */
  	case SIOCTL_VEC:
  	case SIOCTL_LIST:
  		for (i = g; i != NULL; i = nextpar(i)) {