From: Sven Trenkel <collectd@semidefinite.de>
Date: Wed, 9 Dec 2009 12:18:49 +0000 (+0100)
Subject: Added function to get the data type of a meta data entry.
X-Git-Tag: collectd-4.10.0~93
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=9c52b4ff1590251ea5fcefab15c0af655d49624c;p=collectd.git

Added function to get the data type of a meta data entry.
---

diff --git a/src/meta_data.c b/src/meta_data.c
index 3a3f5e79..a7c11c10 100644
--- a/src/meta_data.c
+++ b/src/meta_data.c
@@ -26,15 +26,6 @@
 #include <pthread.h>
 
 /*
- * Defines
- */
-#define MD_TYPE_STRING       1
-#define MD_TYPE_SIGNED_INT   2
-#define MD_TYPE_UNSIGNED_INT 3
-#define MD_TYPE_DOUBLE       4
-#define MD_TYPE_BOOLEAN      5
-
-/*
  * Data types
  */
 union meta_value_u
@@ -249,6 +240,28 @@ int meta_data_exists (meta_data_t *md, const char *key) /* {{{ */
   return (0);
 } /* }}} int meta_data_exists */
 
+int meta_data_type (meta_data_t *md, const char *key) /* {{{ */
+{
+  meta_entry_t *e;
+
+  if ((md == NULL) || (key == NULL))
+    return 0;
+
+  pthread_mutex_lock (&md->lock);
+
+  for (e = md->head; e != NULL; e = e->next)
+  {
+    if (strcasecmp (key, e->key) == 0)
+    {
+      pthread_mutex_unlock (&md->lock);
+      return e->type;
+    }
+  }
+
+  pthread_mutex_unlock (&md->lock);
+  return 0;
+} /* }}} int meta_data_type */
+
 int meta_data_delete (meta_data_t *md, const char *key) /* {{{ */
 {
   meta_entry_t *this;
diff --git a/src/meta_data.h b/src/meta_data.h
index 8e5a7852..7a9afee5 100644
--- a/src/meta_data.h
+++ b/src/meta_data.h
@@ -24,6 +24,15 @@
 
 #include "collectd.h"
 
+/*
+ * Defines
+ */
+#define MD_TYPE_STRING       1
+#define MD_TYPE_SIGNED_INT   2
+#define MD_TYPE_UNSIGNED_INT 3
+#define MD_TYPE_DOUBLE       4
+#define MD_TYPE_BOOLEAN      5
+
 struct meta_data_s;
 typedef struct meta_data_s meta_data_t;
 
@@ -31,6 +40,7 @@ meta_data_t *meta_data_create (void);
 void meta_data_destroy (meta_data_t *md);
 
 int meta_data_exists (meta_data_t *md, const char *key);
+int meta_data_type (meta_data_t *md, const char *key);
 int meta_data_delete (meta_data_t *md, const char *key);
 
 int meta_data_add_string (meta_data_t *md,