refactor: route exit saves through FE persistence wrapper; keep text mode simple

src/common/fe.h

@@ -44,11 +44,20 @@ typedef struct
 	char *icon;	/* filename */
 } menu_entry;
 
+typedef struct
+{
+	gboolean success;
+	gboolean partial_failure;
+	gboolean config_failed;
+	gboolean theme_failed;
+} fe_preferences_save_result;
+
 int fe_args (int argc, char *argv[]);
 void fe_init (void);
 void fe_main (void);
 void fe_cleanup (void);
 void fe_exit (void);
+fe_preferences_save_result fe_preferences_persistence_save_all (void);
 int fe_timeout_add (int interval, void *callback, void *userdata);
 int fe_timeout_add_seconds (int interval, void *callback, void *userdata);
 void fe_timeout_remove (int tag);

src/common/zoitechat.c

@@ -1104,8 +1104,18 @@ zoitechat_exit (void)
 	plugin_kill_all ();
 	fe_cleanup ();
 
-	if (!save_config ())
-		g_printerr ("Could not save zoitechat.conf.\n");
+	{
+		fe_preferences_save_result save_result;
+
+		save_result = fe_preferences_persistence_save_all ();
+		if (!save_result.success)
+		{
+			if (save_result.partial_failure || (!save_result.config_failed && save_result.theme_failed))
+				g_printerr ("Could not fully save preferences. zoitechat.conf was written, but colors.conf failed.\n");
+			else
+				g_printerr ("Could not save zoitechat.conf.\n");
+		}
+	}
 	if (prefs.save_pevents)
 	{
 		pevent_save (NULL);

src/fe-gtk/fe-gtk.c

@@ -59,6 +59,7 @@
 #include "plugin-notification.h"
 #include "theme/theme-manager.h"
 #include "theme/theme-application.h"
+#include "preferences-persistence.h"
 
 #ifdef USE_LIBCANBERRA
 #include <canberra.h>
@@ -585,6 +586,21 @@ fe_cleanup (void)
 {
 }
 
+fe_preferences_save_result
+fe_preferences_persistence_save_all (void)
+{
+	PreferencesPersistenceResult save_result;
+	fe_preferences_save_result result;
+
+	save_result = preferences_persistence_save_all ();
+	result.success = save_result.success;
+	result.partial_failure = save_result.partial_failure;
+	result.config_failed = save_result.config_failed;
+	result.theme_failed = save_result.theme_failed;
+
+	return result;
+}
+
 void
 fe_exit (void)
 {

src/fe-text/fe-text.c

@@ -581,6 +581,19 @@ fe_exit (void)
 	g_main_loop_quit(main_loop);
 }
 
+fe_preferences_save_result
+fe_preferences_persistence_save_all (void)
+{
+	fe_preferences_save_result result;
+
+	result.success = save_config () != 0;
+	result.partial_failure = FALSE;
+	result.config_failed = !result.success;
+	result.theme_failed = FALSE;
+
+	return result;
+}
+
 void
 fe_new_server (struct server *serv)
 {