utils_format_graphite: terminate buffer with \0

Signed-off-by: Florian Forster <octo@collectd.org>

diff --git a/src/utils_format_graphite.c b/src/utils_format_graphite.c
index 023f7a4..0098051 100644 (file)
--- a/src/utils_format_graphite.c
+++ b/src/utils_format_graphite.c
@@ -250,6 +250,7 @@ int format_graphite (char *buffer, size_t buffer_size,
         }
         memcpy((void *) (buffer + buffer_pos), message, message_len);
         buffer_pos += message_len;
+        buffer[buffer_pos] = '\0';
     }
     sfree (rates);
     return (status);