src/daemon/plugin.h: Define DATA_MAX_NAME_LEN conditionally.

Issue: #1690

diff --git a/src/daemon/plugin.h b/src/daemon/plugin.h
index 1e4b3d1..7398227 100644 (file)
--- a/src/daemon/plugin.h
+++ b/src/daemon/plugin.h
@@ -1,5 +1,5 @@
 /**
- * collectd - src/plugin.h
+ * collectd - src/daemon/plugin.h
  * Copyright (C) 2005-2014  Florian octo Forster
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -39,7 +39,9 @@
 
 #define PLUGIN_FLAGS_GLOBAL 0x0001
 
-#define DATA_MAX_NAME_LEN 64
+#ifndef DATA_MAX_NAME_LEN
+# define DATA_MAX_NAME_LEN 64
+#endif
 
 #define DS_TYPE_COUNTER  0
 #define DS_TYPE_GAUGE    1