From: John Darrington <john@darrington.wattle.id.au>
Date: Tue, 13 Nov 2012 18:42:34 +0000 (+0100)
Subject: Find dialog: Don't crash when searching for a non-existant label.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa710cebbb94a5fce5802902bc1cc8d52367d190;p=pspp

Find dialog: Don't crash when searching for a non-existant label.
---

diff --git a/src/ui/gui/find-dialog.c b/src/ui/gui/find-dialog.c
index 0f856f9462..8dea41768a 100644
--- a/src/ui/gui/find-dialog.c
+++ b/src/ui/gui/find-dialog.c
@@ -471,8 +471,13 @@ string_label_compare (const struct comparator *cmptr,
   const struct string_comparator *ssc =
     (const struct string_comparator *) cmptr;
 
+  int width;
+
   const char *text = var_lookup_value_label (cmptr->var, val);
-  int width = strlen (text);
+  if (text == NULL)
+    return false;
+
+  width = strlen (text);
 
   assert ( cmptr->flags & STR_CMP_LABELS);