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changeset 6995:fc099c55a36a v7.4.815

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patch 7.4.815 Problem: Invalid memory access when doing ":call g:". Solution: Check for an empty name. (Dominique Pelle)
author Bram Moolenaar <bram@vim.org>
date Tue, 11 Aug 2015 15:46:09 +0200
parents 0b27ef95a7a0
children 89686806b233
files src/eval.c src/version.c
diffstat 2 files changed, 5 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/eval.c
+++ b/src/eval.c
@@ -21371,6 +21371,7 @@ find_var_in_ht(ht, htname, varname, no_a
 
 /*
  * Find the hashtab used for a variable name.
+ * Return NULL if the name is not valid.
  * Set "varname" to the start of name without ':'.
  */
     static hashtab_T *
@@ -21380,6 +21381,8 @@ find_var_ht(name, varname)
 {
     hashitem_T	*hi;
 
+    if (name[0] == NUL)
+	return NULL;
     if (name[1] != ':')
     {
 	/* The name must not start with a colon or #. */
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    815,
+/**/
     814,
 /**/
     813,