From ed1af1f5b70f7da90f5e8d255df134a8ccf3f526 Mon Sep 17 00:00:00 2001
From:  <brian@localhost.localdomain>
Date: Sun, 27 Jul 2008 04:00:37 -0700
Subject: [PATCH] Fix for zero length bad key fix.

---
 ChangeLog                    |  1 +
 libmemcached/memcached_key.c |  4 ++++
 tests/function.c             | 10 ++++++++++
 3 files changed, 15 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 47c4f76c..f047278e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,7 @@
   * Solaris 64bit fix.
   * Support for weighted Ketama from Yin Chen.
   * Fix for Chinese 
+  * Fix for 0 length key to trigger bad key.
 
 0.22 Mon Jul 14 09:24:11 PDT 2008
   * Fix where master key was no being checked for "bad key"
diff --git a/libmemcached/memcached_key.c b/libmemcached/memcached_key.c
index 4ea63919..7513592b 100644
--- a/libmemcached/memcached_key.c
+++ b/libmemcached/memcached_key.c
@@ -8,6 +8,10 @@ memcached_return memcachd_key_test(char **keys, size_t *key_length,
   for (x= 0; x < number_of_keys; x++)
   {
     int y;
+
+    if (*(key_length + x) == 0)
+        return MEMCACHED_BAD_KEY_PROVIDED;
+
     for (y= 0; y < *(key_length + x); y++)
     {
       if ((isgraph(keys[x][y])) == 0)
diff --git a/tests/function.c b/tests/function.c
index b0fc1fd8..0b2c15d4 100644
--- a/tests/function.c
+++ b/tests/function.c
@@ -630,6 +630,16 @@ test_return bad_key_test(memcached_st *memc)
     assert(rc == MEMCACHED_BAD_KEY_PROVIDED);
   }
 
+  /* Make sure zero length keys are marked as bad */
+  set= 1;
+  rc= memcached_behavior_set(clone, MEMCACHED_BEHAVIOR_VERIFY_KEY, set);
+  assert(rc == MEMCACHED_SUCCESS);
+  string= memcached_get(clone, key, 0,
+                        &string_length, &flags, &rc);
+  assert(rc == MEMCACHED_BAD_KEY_PROVIDED);
+  assert(string_length ==  0);
+  assert(!string);
+
   memcached_free(clone);
 
   return 0;
-- 
2.30.2