patch 8.0.0159: crash on startup when updating tabline
Problem: Using a NULL pointer when using feedkeys() to trigger drawing a
tabline.
Solution: Skip drawing a tabline if TabPageIdxs is NULL. (Dominique Pelle)
Also fix recursing into getcmdline() from the cmd window.
diff --git a/src/screen.c b/src/screen.c
index ee61a01..016e7ee 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -3650,7 +3650,7 @@
if (fdc > 0)
{
/* Draw the 'foldcolumn'. Allocate a buffer, "extra" may
- * already be in used. */
+ * already be in use. */
p_extra_free = alloc(12 + 1);
if (p_extra_free != NULL)
@@ -10344,6 +10344,8 @@
#endif
);
+ if (ScreenLines == NULL)
+ return;
redraw_tabline = FALSE;
#ifdef FEAT_GUI_TABLINE