exec: fix validation during config reload

Split cmd_exec_always into separate methods for general validation and
process creation. This fixes a potential call of join_args with 0 arguments.

1 files changed, 6 insertions, 0 deletions

diff --git a/include/sway/commands.h b/include/sway/commands.h
index 4a2f8c20..07730f98 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -97,6 +97,12 @@ void container_resize_tiled(struct sway_container *parent, uint32_t axis,
 struct sway_container *container_find_resize_parent(struct sway_container *con,
                 uint32_t edge);
 
+/**
+ * Handlers shared by exec and exec_always.
+ */
+sway_cmd cmd_exec_validate;
+sway_cmd cmd_exec_process;
+
 sway_cmd cmd_assign;
 sway_cmd cmd_bar;
 sway_cmd cmd_bindcode;