commit 13d831ff0c8879bdf59e6de35a106ccb9b4766da
author Bram Moolenaar <Bram@vim.org> Sat Jan 08 14:46:03 2011 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Jan 08 14:46:03 2011 +0100
tree 07d6c808738fcc2558783cbc2a5554a653313bc9
parent fd0e75683f248070496b0e315052ccfcfe7dee26

updated for version 7.3.099
Problem:    Crash when splitting a window with zero height. (Yukihiro
            Nakadaira)
Solution:   Don't set the fraction in a window with zero height.

src/window.c

diff --git a/src/window.c b/src/window.c
index 7ac1da8..b3a7f9e 100644
--- a/src/window.c
+++ b/src/window.c
@@ -986,7 +986,8 @@
 
     /* Set w_fraction now so that the cursor keeps the same relative
      * vertical position. */
-    set_fraction(oldwin);
+    if (oldwin->w_height > 0)
+	set_fraction(oldwin);
     wp->w_fraction = oldwin->w_fraction;
 
 #ifdef FEAT_VERTSPLIT