commit ca4b613c692b927c9345dc9e3d6be5de35266be2
author Bram Moolenaar <Bram@vim.org> Thu Jun 28 12:05:11 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Jun 28 12:05:11 2018 +0200
tree fda5e9dfd74a771d6231b7dc5d35c9ade0b9b7bc
parent dc9e955fb07f410d5d3e981ce18d895dd2847c85

patch 8.1.0121: crash when using ballooneval related to 'vartabstop'

Problem:    Crash when using ballooneval related to 'vartabstop'.
Solution:   Initialize balloonEval->vts to NULL. (Markus Braun)

src/gui_w32.c

diff --git a/src/gui_w32.c b/src/gui_w32.c
index 8553811..147d98b 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -8922,28 +8922,21 @@
 	return NULL;
     }
 
-    beval = (BalloonEval *)alloc(sizeof(BalloonEval));
+    beval = (BalloonEval *)alloc_clear(sizeof(BalloonEval));
     if (beval != NULL)
     {
 	beval->target = s_textArea;
-	beval->balloon = NULL;
 
 	beval->showState = ShS_NEUTRAL;
-	beval->x = 0;
-	beval->y = 0;
 	beval->msg = mesg;
 	beval->msgCB = mesgCB;
 	beval->clientData = clientData;
-#ifdef FEAT_VARTABS
-	beval->vts = NULL;
-#endif
 
 	InitCommonControls();
 	cur_beval = beval;
 
 	if (p_beval)
 	    gui_mch_enable_beval_area(beval);
-
     }
     return beval;
 }