From 577978cb2287ff24442c03efbf4adc8adc3c9b9a Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Thu, 05 Oct 2017 19:40:38 -0400
Subject: MqConfig: Propagate const qualification through callbacks

---
diff --git a/src/config.c b/src/config.c
index 6074773..e8497d2 100644
--- a/src/config.c
+++ b/src/config.c
@@ -38,10 +38,10 @@ enum type {
 };
 
 union callback {
-	void (*boolean_cb)(const gchar *, gboolean, gpointer);
-	void (*integer_cb)(const gchar *, gint, gpointer);
-	void (*double_cb)(const gchar *, gdouble, gpointer);
-	void (*string_cb)(const gchar *, gchar *, gpointer);
+	void (*boolean_cb)(const gchar *, const gboolean, gpointer);
+	void (*integer_cb)(const gchar *, const gint, gpointer);
+	void (*double_cb)(const gchar *, const gdouble, gpointer);
+	void (*string_cb)(const gchar *, const gchar *, gpointer);
 };
 
 struct callbacks {
@@ -283,8 +283,8 @@ mq_config_get_string(MqConfig *config, const gchar *name)
 }
 
 static void
-set_type_or_run_callbacks(MqConfig *config, const gchar *name, gpointer value,
-	enum type type)
+set_type_or_run_callbacks(MqConfig *config, const gchar *name,
+	gconstpointer value, enum type type)
 {
 	struct item      *item;
 	struct callbacks *cbs;
@@ -301,22 +301,22 @@ set_type_or_run_callbacks(MqConfig *config, const gchar *name, gpointer value,
 			switch (item->type) {
 				case TYPE_BOOLEAN:
 					cbs->cb.boolean_cb(name,
-						*((gboolean *) value),
+						*((const gboolean *) value),
 						cbs->user_data);
 					break;
 				case TYPE_INTEGER:
 					cbs->cb.integer_cb(name,
-						*((gint *) value),
+						*((const gint *) value),
 						cbs->user_data);
 					break;
 				case TYPE_DOUBLE:
 					cbs->cb.double_cb(name,
-						*((gdouble *) value),
+						*((const gdouble *) value),
 						cbs->user_data);
 					break;
 				case TYPE_STRING:
 					cbs->cb.string_cb(name,
-						(gchar *) value,
+						(const gchar *) value,
 						cbs->user_data);
 					break;
 			}
--
cgit v0.9.1