From: Thomas Graf <tgr@deb.localdomain>
Date: Wed, 30 Jan 2008 12:14:38 +0000 (+0100)
Subject: Abstract data allocation based on netlink attribute
X-Git-Tag: libnl2_0~153
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3607dbfa54e7ca775a89078f64bdcb150ea9306b;p=thirdparty%2Flibnl.git

Abstract data allocation based on netlink attribute
---

diff --git a/include/netlink/data.h b/include/netlink/data.h
index bb28d13..a518a24 100644
--- a/include/netlink/data.h
+++ b/include/netlink/data.h
@@ -22,6 +22,7 @@ struct nl_data;
 
 /* General */
 extern struct nl_data *	nl_data_alloc(void *, size_t);
+extern struct nl_data * nl_data_alloc_from_attr(struct nlattr *);
 extern struct nl_data *	nl_data_clone(struct nl_data *);
 extern int		nl_data_append(struct nl_data *, void *, size_t);
 extern void		nl_data_free(struct nl_data *);
diff --git a/lib/data.c b/lib/data.c
index 9399389..7b81ceb 100644
--- a/lib/data.c
+++ b/lib/data.c
@@ -60,6 +60,21 @@ errout:
 	return NULL;
 }
 
+/**
+ * Allocate abstract data object based on netlink attribute.
+ * @arg nla		Netlink attribute of unspecific type.
+ *
+ * Allocates a new abstract data and copies the payload of the
+ * attribute to the abstract data object.
+ * 
+ * @see nla_data_alloc
+ * @return Newly allocated data handle or NULL
+ */
+struct nl_data *nl_data_alloc_from_attr(struct nlattr *nla)
+{
+	return nl_data_alloc(nla_data(nla), nla_len(nla));
+}
+
 /**
  * Clone an abstract data object.
  * @arg src		Abstract data object