diff options
| -rw-r--r-- | src/vty/fsm_vty.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/vty/fsm_vty.c b/src/vty/fsm_vty.c index 8abb9c92..2947678b 100644 --- a/src/vty/fsm_vty.c +++ b/src/vty/fsm_vty.c @@ -181,8 +181,20 @@ DEFUN(show_fsm_inst, show_fsm_inst_cmd, * application if you want to support those commands. */ void osmo_fsm_vty_add_cmds(void) { + static bool osmo_fsm_vty_cmds_installed; + + /* Make sure FSM commands get installed only once. + * We might be called from libraries or from an application. + * An application might be oblivious to the fact that one or + * more of its libaries are using osmo_fsm. And likewise, + * any given library will not know if another library has + * already installled these commands. */ + if (osmo_fsm_vty_cmds_installed) + return; + install_element_ve(&show_fsm_cmd); install_element_ve(&show_fsms_cmd); install_element_ve(&show_fsm_inst_cmd); install_element_ve(&show_fsm_insts_cmd); + osmo_fsm_vty_cmds_installed = true; } |