Fix crash in last commit.

794fccca · Simon Kelley · 394ff492 · 794fccca
Commit 794fccca authored Mar 29, 2015 by Simon Kelley
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src/cache.c src/cache.c +4 -3

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--- a/src/cache.c
+++ b/src/cache.c
@@ -1404,9 +1404,10 @@ int cache_make_stat(struct txt_record *t)
 static char *sanitise(char *name)
 {
  unsigned char *r;
-  for (r = (unsigned char *)name; *r; r++)
-    if (!isprint((int)*r))
-      return "<name unprintable>";
+  if (name)
+    for (r = (unsigned char *)name; *r; r++)
+      if (!isprint((int)*r))
+	return "<name unprintable>";

  return name;
 }