From 68b76e9e32d172936e7f01d6ac0cd5e4d49f8d46 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@collectd.org>
Date: Tue, 10 Mar 2015 15:34:10 +0100
Subject: [PATCH] write_tsdb plugin: Fix name generation even more.

There were more cases in which "type" or "type_instance" were omitted.

Fixes: #945
---
 src/write_tsdb.c | 57 +++++++++++++++++++++++++++++---------------------------
 1 file changed, 30 insertions(+), 27 deletions(-)

diff --git a/src/write_tsdb.c b/src/write_tsdb.c
index bfac1a14..9008a67b 100644
--- a/src/write_tsdb.c
+++ b/src/write_tsdb.c
@@ -366,37 +366,40 @@ static int wt_format_name(char *ret, int ret_len,
     if (ds_name != NULL) {
         if (vl->plugin_instance[0] == '\0') {
             if (vl->type_instance[0] == '\0') {
-                ssnprintf(ret, ret_len, "%s%s.%s.%s",
-                          prefix, vl->plugin, vl->type,
-                          ds_name);
+                ssnprintf(ret, ret_len, "%s%s.%s.%s", prefix, vl->plugin,
+                        vl->type, ds_name);
             } else {
-                ssnprintf(ret, ret_len, "%s%s.%s.%s",
-                          prefix, vl->plugin, vl->type_instance,
-                          ds_name);
+                ssnprintf(ret, ret_len, "%s%s.%s.%s.%s", prefix, vl->plugin,
+                        vl->type, vl->type_instance, ds_name);
+            }
+        } else { /* vl->plugin_instance != "" */
+            if (vl->type_instance[0] == '\0') {
+                ssnprintf(ret, ret_len, "%s%s.%s.%s.%s", prefix, vl->plugin,
+                        vl->plugin_instance, vl->type, ds_name);
+            } else {
+                ssnprintf(ret, ret_len, "%s%s.%s.%s.%s.%s", prefix,
+                        vl->plugin, vl->plugin_instance, vl->type,
+                        vl->type_instance, ds_name);
             }
-        } else if (vl->type_instance[0] == '\0') {
-            ssnprintf(ret, ret_len, "%s%s.%s.%s.%s",
-                      prefix, vl->plugin, vl->plugin_instance, vl->type,
-                      ds_name);
-        } else {
-            ssnprintf(ret, ret_len, "%s%s.%s.%s.%s.%s",
-                      prefix, vl->plugin, vl->plugin_instance, vl->type,
-                      vl->type_instance, ds_name);
         }
-    } else if (vl->plugin_instance[0] == '\0') {
-        if (vl->type_instance[0] == '\0') {
-            ssnprintf(ret, ret_len, "%s%s.%s",
-                      prefix, vl->plugin, vl->type);
-        } else {
-            ssnprintf(ret, ret_len, "%s%s.%s",
-                      prefix, vl->plugin, vl->type_instance);
+    } else { /* ds_name == NULL */
+        if (vl->plugin_instance[0] == '\0') {
+            if (vl->type_instance[0] == '\0') {
+                ssnprintf(ret, ret_len, "%s%s.%s", prefix, vl->plugin,
+                        vl->type);
+            } else {
+                ssnprintf(ret, ret_len, "%s%s.%s.%s", prefix, vl->plugin,
+                        vl->type_instance, vl->type);
+            }
+        } else { /* vl->plugin_instance != "" */
+            if (vl->type_instance[0] == '\0') {
+                ssnprintf(ret, ret_len, "%s%s.%s.%s", prefix, vl->plugin,
+                        vl->plugin_instance, vl->type);
+            } else {
+                ssnprintf(ret, ret_len, "%s%s.%s.%s.%s", prefix, vl->plugin,
+                        vl->plugin_instance, vl->type, vl->type_instance);
+            }
         }
-    } else if (vl->type_instance[0] == '\0') {
-        ssnprintf(ret, ret_len, "%s%s.%s.%s",
-                  prefix, vl->plugin, vl->plugin_instance, vl->type);
-    } else {
-        ssnprintf(ret, ret_len, "%s%s.%s.%s.%s",
-                  prefix, vl->plugin, vl->plugin_instance, vl->type, vl->type_instance);
     }
 
     sfree(temp);
-- 
2.11.0