commit bd2dc34774c3753b2953a3bffaf35d5793d2575c
author Bram Moolenaar <Bram@vim.org> Fri Jan 10 15:53:13 2014 +0100
committer Bram Moolenaar <Bram@vim.org> Fri Jan 10 15:53:13 2014 +0100
tree af3afe045074e0d5122566a7f61a1d7e1956317d
parent 4ea924e0a567c5026a25fba2b02dd6eaf9efcb89

updated for version 7.4.139
Problem:    Crash when using :cd in autocommand. (François Ingelrest)
Solution:   Set w_localdir to NULL after freeing it. (Dominique Pelle)

src/window.c

diff --git a/src/window.c b/src/window.c
index 48745f0..66cee28 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1216,8 +1216,8 @@
     else
 	copy_loclist(oldp, newp);
 #endif
-    if (oldp->w_localdir != NULL)
-	newp->w_localdir = vim_strsave(oldp->w_localdir);
+    newp->w_localdir = (oldp->w_localdir == NULL)
+				    ? NULL : vim_strsave(oldp->w_localdir);
 
     /* copy tagstack and folds */
     for (i = 0; i < oldp->w_tagstacklen; i++)