From 6cd51a3f9bfee94124e173bd81cde204f5ce75cf Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Sun, 29 Oct 2017 02:20:11 -0400
Subject: MqWebView: Fix segmentation faults on save name without "."

---
diff --git a/src/web-view.c b/src/web-view.c
index 84927fb..b2fc223 100644
--- a/src/web-view.c
+++ b/src/web-view.c
@@ -919,6 +919,19 @@ save_mhtml_cb(WebKitWebView *web_view, GAsyncResult *result)
 	webkit_web_view_save_to_file_finish(web_view, result, NULL);
 }
 
+static const gchar *
+get_extension(const gchar *filename)
+{
+	const gchar *extension;
+
+	extension = strrchr(filename, '.');
+	if (extension) {
+		return extension + 1;
+	} else {
+		return filename + strlen(filename);
+	}
+}
+
 static gboolean
 extension_is_html(const gchar *extension)
 {
@@ -992,7 +1005,7 @@ save_type_changed_cb(GtkComboBox *combo_box, GtkFileChooser *chooser)
 	gchar       *new_name;
 
 	name = gtk_file_chooser_get_current_name(chooser);
-	extension = strrchr(name, '.') + 1;
+	extension = get_extension(name);
 
 	active_id = gtk_combo_box_get_active_id(combo_box);
 	if (g_strcmp0(active_id, "html") == 0) {
@@ -1042,7 +1055,7 @@ save_response_cb(GtkWidget *dialog, gint response_id, MqWebView *web_view)
 		active_id = gtk_combo_box_get_active_id(
 			web_view->save_type_combo_box);
 		if (g_strcmp0(active_id, "detect") == 0) {
-			extension = strrchr(filename, '.') + 1;
+			extension = get_extension(filename);
 			if (extension_is_html(extension)) {
 				save_html(web_view, file);
 			} else if (extension_is_mhtml(extension)) {
--
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