===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/arguments.c,v
retrieving revision 1.63
retrieving revision 1.64
diff -c -r1.63 -r1.64
*** src/usr.bin/tmux/arguments.c	2024/04/15 08:19:55	1.63
--- src/usr.bin/tmux/arguments.c	2024/05/13 11:45:05	1.64
***************
*** 1,4 ****
! /* $OpenBSD: arguments.c,v 1.63 2024/04/15 08:19:55 nicm Exp $ */
  
  /*
   * Copyright (c) 2010 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: arguments.c,v 1.64 2024/05/13 11:45:05 nicm Exp $ */
  
  /*
   * Copyright (c) 2010 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 164,178 ****
  		argument = &values[*i];
  		if (argument->type != ARGS_STRING) {
  			xasprintf(cause, "-%c argument must be a string", flag);
  			return (-1);
  		}
  	}
  	if (argument == NULL) {
  		if (optional_argument) {
  			log_debug("%s: -%c (optional)", __func__, flag);
  			args_set(args, flag, NULL, ARGS_ENTRY_OPTIONAL_VALUE);
- 			args_free_value(new);
- 			free(new);
  			return (0); /* either - or end */
  		}
  		xasprintf(cause, "-%c expects an argument", flag);
--- 164,180 ----
  		argument = &values[*i];
  		if (argument->type != ARGS_STRING) {
  			xasprintf(cause, "-%c argument must be a string", flag);
+ 			args_free_value(new);
+ 			free(new);
  			return (-1);
  		}
  	}
  	if (argument == NULL) {
+ 		args_free_value(new);
+ 		free(new);
  		if (optional_argument) {
  			log_debug("%s: -%c (optional)", __func__, flag);
  			args_set(args, flag, NULL, ARGS_ENTRY_OPTIONAL_VALUE);
  			return (0); /* either - or end */
  		}
  		xasprintf(cause, "-%c expects an argument", flag);