Make command exec functions return an enum rather than -1/0/1 values and

add a new value to mean "leave client running but don't attach" to fix
problems with using some commands in a command sequence. Most of the
work by Thomas Adam, problem reported by "jspenguin" on SF bug 3535531.

1 files changed, 4 insertions, 4 deletions

diff --git a/cmd-kill-session.c b/cmd-kill-session.c
index bdc4a71c..9ee6a928 100644
--- a/cmd-kill-session.c
+++ b/cmd-kill-session.c
@@ -27,7 +27,7 @@
  * Note this deliberately has no alias to make it hard to hit by accident.
  */
 
-int	cmd_kill_session_exec(struct cmd *, struct cmd_ctx *);
+enum cmd_retval	 cmd_kill_session_exec(struct cmd *, struct cmd_ctx *);
 
 const struct cmd_entry cmd_kill_session_entry = {
 	"kill-session", NULL,
@@ -39,14 +39,14 @@ const struct cmd_entry cmd_kill_session_entry = {
 	cmd_kill_session_exec
 };
 
-int
+enum cmd_retval
 cmd_kill_session_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct args	*args = self->args;
 	struct session	*s, *s2, *s3;
 
 	if ((s = cmd_find_session(ctx, args_get(args, 't'), 0)) == NULL)
-		return (-1);
+		return (CMD_RETURN_ERROR);
 
 	if (args_has(args, 'a')) {
 		RB_FOREACH_SAFE(s2, sessions, &sessions, s3) {
@@ -59,5 +59,5 @@ cmd_kill_session_exec(struct cmd *self, struct cmd_ctx *ctx)
 		server_destroy_session(s);
 		session_destroy(s);
 	}
-	return (0);
+	return (CMD_RETURN_NORMAL);
 }