utils_format_graphite: terminate buffer with \0

[collectd.git] / src / utils_format_graphite.c

diff --git a/src/utils_format_graphite.c b/src/utils_format_graphite.c
index 220258f..0098051 100644 (file)
--- a/src/utils_format_graphite.c
+++ b/src/utils_format_graphite.c
@@ -60,7 +60,7 @@ static int gr_format_values (char *ret, size_t ret_len,
 } while (0)
 
     if (ds->ds[ds_num].type == DS_TYPE_GAUGE)
-        BUFFER_ADD ("%f", vl->values[ds_num].gauge);
+        BUFFER_ADD (GAUGE_FORMAT, vl->values[ds_num].gauge);
     else if (rates != NULL)
         BUFFER_ADD ("%f", rates[ds_num]);
     else if (ds->ds[ds_num].type == DS_TYPE_COUNTER)
@@ -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);