Merge branch 'collectd-5.4' into collectd-5.5

[collectd.git] / src / utils_db_query.c

diff --git a/src/utils_db_query.c b/src/utils_db_query.c
index df490e1..9c84937 100644 (file)
--- a/src/utils_db_query.c
+++ b/src/utils_db_query.c
@@ -2,21 +2,26 @@
  * collectd - src/utils_db_query.c
  * Copyright (C) 2008,2009  Florian octo Forster
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; only version 2 of the License is applicable.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
  *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
  *
  * Authors:
- *   Florian octo Forster <octo at verplant.org>
+ *   Florian octo Forster <octo at collectd.org>
  **/
 
 #include "collectd.h"
@@ -197,8 +202,9 @@ static int udb_result_submit (udb_result_t *r, /* {{{ */
   assert (r != NULL);
   assert (r_area->ds != NULL);
   assert (((size_t) r_area->ds->ds_num) == r->values_num);
+  assert (r->values_num > 0);
 
-  vl.values = (value_t *) calloc (r_area->ds->ds_num, sizeof (value_t));
+  vl.values = (value_t *) calloc (r->values_num, sizeof (value_t));
   if (vl.values == NULL)
   {
     ERROR ("db query utils: malloc failed.");
@@ -1066,10 +1072,9 @@ udb_query_allocate_preparation_area (udb_query_t *q) /* {{{ */
   udb_result_preparation_area_t **next_r_area;
   udb_result_t *r;
 
-  q_area = (udb_query_preparation_area_t *)malloc (sizeof (*q_area));
+  q_area = malloc (sizeof (*q_area));
   if (q_area == NULL)
     return NULL;
-
   memset (q_area, 0, sizeof (*q_area));
 
   next_r_area = &q_area->result_prep_areas;
@@ -1077,14 +1082,18 @@ udb_query_allocate_preparation_area (udb_query_t *q) /* {{{ */
   {
     udb_result_preparation_area_t *r_area;
 
-    r_area = (udb_result_preparation_area_t *)malloc (sizeof (*r_area));
+    r_area = malloc (sizeof (*r_area));
     if (r_area == NULL)
     {
-      for (r_area = q_area->result_prep_areas;
-          r_area != NULL; r_area = r_area->next)
+      udb_result_preparation_area_t *a = q_area->result_prep_areas;
+
+      while (a != NULL)
       {
-        free (r_area);
+        udb_result_preparation_area_t *next = a->next;
+        sfree (a);
+        a = next;
       }
+
       free (q_area);
       return NULL;
     }