From: Sven Trenkel <collectd@semidefinite.de>
Date: Wed, 9 Dec 2009 12:53:14 +0000 (+0100)
Subject: Added function to get a list of meta data entries.
X-Git-Tag: collectd-4.10.0~92
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=20508b861ea3d1b72d19c92c4b3261713336e89f;p=collectd.git

Added function to get a list of meta data entries.
---

diff --git a/src/meta_data.c b/src/meta_data.c
index a7c11c10..80b6dd1e 100644
--- a/src/meta_data.c
+++ b/src/meta_data.c
@@ -262,6 +262,27 @@ int meta_data_type (meta_data_t *md, const char *key) /* {{{ */
   return 0;
 } /* }}} int meta_data_type */
 
+int meta_data_toc (meta_data_t *md, char ***toc) /* {{{ */
+{
+  int i = 0, count = 0;
+  meta_entry_t *e;
+
+  if ((md == NULL) || (toc == NULL))
+    return -1;
+
+  pthread_mutex_lock (&md->lock);
+
+  for (e = md->head; e != NULL; e = e->next)
+    ++count;    
+
+  *toc = malloc(count * sizeof(**toc));
+  for (e = md->head; e != NULL; e = e->next)
+    (*toc)[i++] = strdup(e->key);
+  
+  pthread_mutex_unlock (&md->lock);
+  return count;
+} /* }}} int meta_data_toc */
+
 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 7a9afee5..9ef7b0a8 100644
--- a/src/meta_data.h
+++ b/src/meta_data.h
@@ -41,6 +41,7 @@ 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_toc (meta_data_t *md, char ***toc);
 int meta_data_delete (meta_data_t *md, const char *key);
 
 int meta_data_add_string (meta_data_t *md,