sticker/Database: eliminate sticker_foreach()

src/sticker/StickerDatabase.cxx

@@ -314,16 +314,6 @@ sticker_delete_value(const char *type, const char *uri, const char *name)
 	return modified;
 }
 
-void
-sticker_foreach(const Sticker &sticker,
-		void (*func)(const char *name, const char *value,
-			     void *user_data),
-		void *user_data)
-{
-	for (const auto &i : sticker.table)
-		func(i.first.c_str(), i.second.c_str(), user_data);
-}
-
 Sticker
 sticker_load(const char *type, const char *uri)
 {

src/sticker/StickerDatabase.hxx

@@ -108,19 +108,6 @@ sticker_delete(const char *type, const char *uri);
 bool
 sticker_delete_value(const char *type, const char *uri, const char *name);
 
-/**
- * Iterates over all sticker items in a sticker.
- *
- * @param sticker the sticker object
- * @param func a callback function
- * @param user_data an opaque pointer for the callback function
- */
-void
-sticker_foreach(const Sticker &sticker,
-		void (*func)(const char *name, const char *value,
-			     void *user_data),
-		void *user_data);
-
 /**
  * Loads the sticker for the specified resource.
  *

src/sticker/StickerPrint.cxx

@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -18,7 +18,7 @@
  */
 
 #include "StickerPrint.hxx"
-#include "StickerDatabase.hxx"
+#include "Sticker.hxx"
 #include "client/Response.hxx"
 
 void
@@ -28,16 +28,9 @@ sticker_print_value(Response &r,
 	r.Format("sticker: %s=%s\n", name, value);
 }
 
-static void
-print_sticker_cb(const char *name, const char *value, void *data)
-{
-	auto &r = *(Response *)data;
-
-	sticker_print_value(r, name, value);
-}
-
 void
 sticker_print(Response &r, const Sticker &sticker)
 {
-	sticker_foreach(sticker, print_sticker_cb, &r);
+	for (const auto &i : sticker.table)
+		sticker_print_value(r, i.first.c_str(), i.second.c_str());
 }

src/sticker/StickerPrint.hxx

@@ -1,5 +1,5 @@
 /*
- * Copyright 2003-2018 The Music Player Daemon Project
+ * Copyright 2003-2019 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify