command_handler_t: make cmd parameter const

Prevents the command name from being modified in command handlers.
Again, this has cascading effects, but the patches are fairly minimal.

diff --git a/src/helper/command.h b/src/helper/command.h
index 557731563675ea8fae2e1729cdc58774ba61a929..18664d23a216451365f08c530fee13a35d312fc2 100644 (file)
--- a/src/helper/command.h
+++ b/src/helper/command.h
@@ -88,7 +88,7 @@ typedef struct command_context_s
  */
 #define __COMMAND_HANDLER(name, extra...) \
                int name(struct command_context_s *cmd_ctx, \
-                               char *cmd, char **args, unsigned argc, ##extra)
+                               const char *cmd, char **args, unsigned argc, ##extra)
 
 /**
  * Use this to macro to call a command helper (or a nested handler).