patch 8.0.0274: possible recursive screen updating causes trouble
Problem: When update_single_line() is called recursively, or another screen
update happens while it is busy, errors may occur.
Solution: Check and update updating_screen. (Christian Brabandt)
diff --git a/src/screen.c b/src/screen.c
index e37bf48..fe366c9 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -824,8 +824,9 @@
int j;
/* Don't do anything if the screen structures are (not yet) valid. */
- if (!screen_valid(TRUE))
+ if (!screen_valid(TRUE) || updating_screen)
return;
+ updating_screen = TRUE;
if (lnum >= wp->w_topline && lnum < wp->w_botline
&& foldedCount(wp, lnum, &win_foldinfo) == 0)
@@ -865,13 +866,11 @@
# endif
}
need_cursor_line_redraw = FALSE;
+ updating_screen = FALSE;
}
#endif
#if defined(FEAT_SIGNS) || defined(FEAT_GUI)
-static void update_prepare(void);
-static void update_finish(void);
-
/*
* Prepare for updating one or more windows.
* Caller must check for "updating_screen" already set to avoid recursiveness.
diff --git a/src/version.c b/src/version.c
index a60de4c..5814b20 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 274,
+/**/
273,
/**/
272,