memcached_return memcachd_key_test(char **keys, size_t *key_length,
unsigned int number_of_keys)
{
- int x;
+ uint32_t x;
for (x= 0; x < number_of_keys; x++)
{
- int y;
+ size_t 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)