libhashkit: fix UB on unaligned access

[awesomized/libmemcached] / clients / memtouch.cc

diff --git a/clients/memtouch.cc b/clients/memtouch.cc
index 19213569c5a1a2fff23e583575bd69cd87236ef3..09e0c92a2074fb87479960f81d44d1d25f4b48ac 100644 (file)
--- a/clients/memtouch.cc
+++ b/clients/memtouch.cc
@@ -24,7 +24,7 @@
 #include "utilities.h"
 
 #define PROGRAM_NAME "memtouch"
-#define PROGRAM_DESCRIPTION "Update the expiration value of an alreasy existing value in the sever"
+#define PROGRAM_DESCRIPTION "Update the expiration value of an already existing value in the server"
 
 
 /* Prototypes */
@@ -54,18 +54,24 @@ int main(int argc, char *argv[])
     {
       opt_servers= strdup(temp);
     }
-    else
+
+    if (opt_servers == NULL)
     {
       std::cerr << "No Servers provided" << std::endl;
-      return EXIT_FAILURE;
+      exit(EXIT_FAILURE);
     }
   }
 
+  memcached_server_st* servers= memcached_servers_parse(opt_servers);
+  if (servers == NULL or memcached_server_list_count(servers) == 0)
+  {
+    std::cerr << "Invalid server list provided:" << opt_servers << std::endl;
+    return EXIT_FAILURE;
+  }
+
   memcached_st *memc= memcached_create(NULL);
   process_hash_option(memc, opt_hash);
 
-  memcached_server_st *servers= memcached_servers_parse(opt_servers);
-
   memcached_server_push(memc, servers);
   memcached_server_list_free(servers);
   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,