===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/cmd.c,v
retrieving revision 1.150
retrieving revision 1.151
diff -u -r1.150 -r1.151
--- src/usr.bin/tmux/cmd.c	2019/05/25 06:58:10	1.150
+++ src/usr.bin/tmux/cmd.c	2019/05/25 07:29:04	1.151
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd.c,v 1.150 2019/05/25 06:58:10 nicm Exp $ */
+/* $OpenBSD: cmd.c,v 1.151 2019/05/25 07:29:04 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -205,6 +205,8 @@
 	NULL
 };
 
+static u_int cmd_list_next_group = 1;
+
 void printflike(3, 4)
 cmd_log_argv(int argc, char **argv, const char *fmt, ...)
 {
@@ -500,6 +502,83 @@
 	free(s);
 
 	return (out);
+}
+
+struct cmd_list *
+cmd_list_new(void)
+{
+	struct cmd_list	*cmdlist;
+
+	cmdlist = xcalloc(1, sizeof *cmdlist);
+	cmdlist->references = 1;
+	cmdlist->group = cmd_list_next_group++;
+	TAILQ_INIT(&cmdlist->list);
+	return (cmdlist);
+}
+
+void
+cmd_list_append(struct cmd_list *cmdlist, struct cmd *cmd)
+{
+	cmd->group = cmdlist->group;
+	TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
+}
+
+void
+cmd_list_move(struct cmd_list *cmdlist, struct cmd_list *from)
+{
+	struct cmd	*cmd, *cmd1;
+
+	TAILQ_FOREACH_SAFE(cmd, &from->list, qentry, cmd1) {
+		TAILQ_REMOVE(&from->list, cmd, qentry);
+		TAILQ_INSERT_TAIL(&cmdlist->list, cmd, qentry);
+	}
+	cmdlist->group = cmd_list_next_group++;
+}
+
+void
+cmd_list_free(struct cmd_list *cmdlist)
+{
+	struct cmd	*cmd, *cmd1;
+
+	if (--cmdlist->references != 0)
+		return;
+
+	TAILQ_FOREACH_SAFE(cmd, &cmdlist->list, qentry, cmd1) {
+		TAILQ_REMOVE(&cmdlist->list, cmd, qentry);
+		cmd_free(cmd);
+	}
+
+	free(cmdlist);
+}
+
+char *
+cmd_list_print(struct cmd_list *cmdlist, int escaped)
+{
+	struct cmd	*cmd;
+	char		*buf, *this;
+	size_t		 len;
+
+	len = 1;
+	buf = xcalloc(1, len);
+
+	TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
+		this = cmd_print(cmd);
+
+		len += strlen(this) + 4;
+		buf = xrealloc(buf, len);
+
+		strlcat(buf, this, len);
+		if (TAILQ_NEXT(cmd, qentry) != NULL) {
+			if (escaped)
+				strlcat(buf, " \\; ", len);
+			else
+				strlcat(buf, " ; ", len);
+		}
+
+		free(this);
+	}
+
+	return (buf);
 }
 
 /* Adjust current mouse position for a pane. */