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command_handler_t: make cmd an indirect parameter

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This patch removes 'cmd' from the list of direct parameters, moving
that pointer to args[-1] (by way of the new CMD_NAME macro).
This commit is contained in:
Zachary T Welch
2009-11-10 23:01:44 -08:00
parent deede35c27
commit f973320cbb
2 changed files with 12 additions and 10 deletions
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6
src/helper/command.h
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@@ -88,7 +88,7 @@ typedef struct command_context_s
*/
#define __COMMAND_HANDLER(name, extra...) \
int name(struct command_context_s *cmd_ctx, \
const char *cmd, const char *args[], unsigned argc, ##extra)
const char *args[], unsigned argc, ##extra)
/**
* Use this to macro to call a command helper (or a nested handler).
@@ -104,7 +104,7 @@ typedef struct command_context_s
* variables in intervening scope(s) by accident.
*/
#define CALL_COMMAND_HANDLER(name, extra...) \
name(cmd_ctx, cmd, args, argc, ##extra)
name(cmd_ctx, args, argc, ##extra)
/**
* Always use this macro to define new command handler functions.
@@ -125,7 +125,7 @@ typedef struct command_context_s
* Use this macro to access the name of the command being handled,
* rather than accessing the variable directly. It may be moved.
*/
#define CMD_NAME cmd
#define CMD_NAME args[-1]
/// The type signature for commands' handler functions.