(cmd_set): check if var is NULL before checking strlen(var)

2 files changed, 5 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 24ae6f1..b4d5389 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2002-02-05  Shawn Betts  <katia_dilkina@verizon.net>
+
+	* src/actions.c (cmd_set): check if var is NULL before checking strlen(var)
+
 2004-10-07  Shawn Betts  <sabetts@vcn.bc.ca>
 
 	* doc/ratpoison.texi (Frame Numbering): new topic
diff --git a/src/actions.c b/src/actions.c
index a5c7165..e7c283d 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -2761,7 +2761,6 @@ char *
 cmd_unsetenv (int interactive, char *data)
 {
   struct sbuf *s;
-  char *str;
 
   if (data == NULL)
     {
@@ -4272,7 +4271,7 @@ cmd_set (int interactive, char *data)
 	{
 	  char *tmp;
 	  var = get_input (MESSAGE_PROMPT_SELECT_VAR, var_completions);
-	  if (strlen (var) == 0)
+	  if (var == NULL || strlen (var) == 0)
 	    {
 	      free (var);
 	      return NULL;