Fix segfault when loading from MAM

When loading messages from MAM profanity would segfault. Reason was that
we were freeing the timestamp of messages when displaying them and we
needed it for loading MAM.

1 files changed, 13 insertions, 2 deletions

diff --git a/src/ui/window.c b/src/ui/window.c
index dc37a5f1..dd40a534 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -2056,9 +2056,20 @@ win_redraw(ProfWin* window)
 void
 win_print_loading_history(ProfWin* window)
 {
-    GDateTime* timestamp = buffer_size(window->layout->buffer) != 0 ? buffer_get_entry(window->layout->buffer, 0)->time : g_date_time_new_now_local();
+    GDateTime* timestamp;
+    gboolean is_buffer_empty = buffer_size(window->layout->buffer) == 0;
+
+    if (!is_buffer_empty) {
+        timestamp = buffer_get_entry(window->layout->buffer, 0)->time;
+    } else {
+        timestamp = g_date_time_new_now_local();
+    }
+
     buffer_prepend(window->layout->buffer, "-", 0, timestamp, NO_DATE, THEME_ROOMINFO, NULL, NULL, LOADING_MESSAGE, NULL, NULL);
-    g_date_time_unref(timestamp);
+
+    if (is_buffer_empty)
+        g_date_time_unref(timestamp);
+
     win_redraw(window);
 }