/**
* collectd - src/meta_data.c
- * Copyright (C) 2008,2009 Florian octo Forster
+ * Copyright (C) 2008-2011 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
return (e);
} /* }}} meta_entry_t *md_entry_alloc */
+static meta_entry_t *md_entry_clone (const meta_entry_t *orig) /* {{{ */
+{
+ meta_entry_t *copy;
+
+ if (orig == NULL)
+ return (NULL);
+
+ copy = md_entry_alloc (orig->key);
+ if (copy == NULL)
+ return (NULL);
+ copy->type = orig->type;
+ if (copy->type == MD_TYPE_STRING)
+ copy->value.mv_string = strdup (orig->value.mv_string);
+ else
+ copy->value = orig->value;
+
+ copy->next = md_entry_clone (orig->next);
+ return (copy);
+} /* }}} meta_entry_t *md_entry_clone */
+
static void md_entry_free (meta_entry_t *e) /* {{{ */
{
if (e == NULL)
return (md);
} /* }}} meta_data_t *meta_data_create */
+meta_data_t *meta_data_clone (meta_data_t *orig) /* {{{ */
+{
+ meta_data_t *copy;
+
+ if (orig == NULL)
+ return (NULL);
+
+ copy = meta_data_create ();
+ if (copy == NULL)
+ return (NULL);
+
+ pthread_mutex_lock (&orig->lock);
+ copy->head = md_entry_clone (orig->head);
+ pthread_mutex_unlock (&orig->lock);
+
+ return (copy);
+} /* }}} meta_data_t *meta_data_clone */
+
void meta_data_destroy (meta_data_t *md) /* {{{ */
{
if (md == NULL)
return;
md_entry_free (md->head);
+ pthread_mutex_destroy (&md->lock);
free (md);
} /* }}} void meta_data_destroy */
for (e = md->head; e != NULL; e = e->next)
++count;
- *toc = malloc(count * sizeof(**toc));
+ if (count == 0)
+ {
+ pthread_mutex_unlock (&md->lock);
+ return (count);
+ }
+
+ *toc = calloc(count, sizeof(**toc));
for (e = md->head; e != NULL; e = e->next)
(*toc)[i++] = strdup(e->key);
if (e->type != MD_TYPE_STRING)
{
- ERROR ("meta_data_get_signed_int: Type mismatch for key `%s'", e->key);
+ ERROR ("meta_data_get_string: Type mismatch for key `%s'", e->key);
pthread_mutex_unlock (&md->lock);
return (-ENOENT);
}