rototiller: add rototiller_module_t.setup()

Wire up support for module settings, yes it's that small a change.

I've forward-declared the settings related types in rototiller.h, if
a module wants to actually wire up the .setup() method they'll need
to include settings.h.

2 files changed, 6 insertions, 1 deletions

diff --git a/src/rototiller.c b/src/rototiller.c
index 7203ca2..de580cd 100644
--- a/src/rototiller.c
+++ b/src/rototiller.c
@@ -233,7 +233,8 @@ static int setup_module(settings_t *settings, setting_desc_t **next_setting)
 	if (!module)
 		return -EINVAL;
 
-	/* TODO: here's where the module-specific settings would get hooked */
+	if (module->setup)
+		return module->setup(settings, next_setting);
 
 	return 0;
 }
diff --git a/src/rototiller.h b/src/rototiller.h
index 84b3842..c578bd5 100644
--- a/src/rototiller.h
+++ b/src/rototiller.h
@@ -7,6 +7,9 @@
  * return value of 1 means a fragment has been produced, 0 means num is beyond the end of fragments. */
 typedef int (*rototiller_fragmenter_t)(void *context, const fb_fragment_t *fragment, unsigned num, fb_fragment_t *res_fragment);
 
+typedef struct settings_t settings;
+typedef struct setting_desc_t setting_desc_t;
+
 typedef struct rototiller_module_t {
 	void *	(*create_context)(void);
 	void	(*destroy_context)(void *context);
@@ -17,6 +20,7 @@ typedef struct rototiller_module_t {
 	char	*description;
 	char	*author;
 	char	*license;
+	int	(*setup)(const settings_t *settings, setting_desc_t **next_setting);
 } rototiller_module_t;
 
 #endif