From 251e8dda7296f3516c017f6dad21a1d3fa2f4baf Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 30 Sep 2018 17:46:27 -0400
Subject: MqTabLabel: Free scrolled title and markup memory

---
diff --git a/src/tab-label.c b/src/tab-label.c
index cd9f00d..3ea33d0 100644
--- a/src/tab-label.c
+++ b/src/tab-label.c
@@ -186,6 +186,8 @@ set_title(MqTabLabel *tab_label, const gchar *title)
 	g_free(tab_label->title);
 	tab_label->title = g_strdup(title);
 	if (tab_label->scrolling) {
+		g_free(tab_label->scrolled_title);
+		g_free(tab_label->scrolled_markup);
 		tab_label->scrolled_title = g_strdup_printf("%s    ", title);
 		tab_label->scrolled_markup =
 			g_markup_printf_escaped(SCROLLED_TITLE_FMT,
@@ -398,6 +400,12 @@ mq_tab_label_set_position(MqTabLabel *tab_label, guint position)
 void
 mq_tab_label_begin_scrolling(MqTabLabel *tab_label)
 {
+	if (tab_label->scrolling) {
+		/* Avoid leaking tab_label->scrolled_title and
+		 * tab_label->scrolled_markup. */
+		return;
+	}
+
 	tab_label->scrolling = TRUE;
 	tab_label->scrolled_title = g_strdup_printf("%s    ", tab_label->title);
 	tab_label->scrolled_markup = g_markup_printf_escaped(SCROLLED_TITLE_FMT,
@@ -408,6 +416,8 @@ void
 mq_tab_label_end_scrolling(MqTabLabel *tab_label)
 {
 	tab_label->scrolling = FALSE;
+	g_free(tab_label->scrolled_title);
+	g_free(tab_label->scrolled_markup);
 
 	update_label(tab_label);
 }
@@ -436,6 +446,7 @@ mq_tab_label_scroll(MqTabLabel *tab_label)
 		tab_label->scrolled_title[j] = c[i];
 	}
 
+	g_free(tab_label->scrolled_markup);
 	tab_label->scrolled_markup = g_markup_printf_escaped(SCROLLED_TITLE_FMT,
 		tab_label->scrolled_title);
 	update_label(tab_label);
--
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