libmemcached: fix #125: allocation failure on negative expiration

[awesomized/libmemcached] / src / libmemcached / flush.cc

diff --git a/src/libmemcached/flush.cc b/src/libmemcached/flush.cc
index 5e358b0863ea7aa6271f521ed7072db0e1b88413..e0b45b68adf56c0d59f1a4aa9b3d71b18c68d7bb 100644 (file)
--- a/src/libmemcached/flush.cc
+++ b/src/libmemcached/flush.cc
@@ -61,10 +61,10 @@ static memcached_return_t memcached_flush_binary(Memcached *ptr, time_t expirati
 
 static memcached_return_t memcached_flush_textual(Memcached *ptr, time_t expiration,
                                                   const bool reply) {
-  char buffer[MEMCACHED_MAXIMUM_INTEGER_DISPLAY_LENGTH + 1];
+  char buffer[MEMCACHED_MAXIMUM_INTEGER_DISPLAY_LENGTH + 1 + 1];
   int send_length = 0;
   if (expiration) {
-    send_length = snprintf(buffer, sizeof(buffer), "%llu", (unsigned long long) expiration);
+    send_length = snprintf(buffer, sizeof(buffer), "%lld", (long long) expiration);
   }
 
   if (size_t(send_length) >= sizeof(buffer) or send_length < 0) {