From: Nathan S. Evans <evans@in.tum.de>
Date: Fri, 2 Apr 2010 15:16:18 +0000 (+0000)
Subject: hello api call, may be unnecessary
X-Git-Tag: initial-import-from-subversion-38251~22315
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=d9dda7eda6b55b311982d99885aafd82448a057e;p=oweals%2Fgnunet.git

hello api call, may be unnecessary
---

diff --git a/src/hello/hello.c b/src/hello/hello.c
index dfcc31dc2..4ddeebd03 100644
--- a/src/hello/hello.c
+++ b/src/hello/hello.c
@@ -510,4 +510,23 @@ GNUNET_HELLO_get_id (const struct GNUNET_HELLO_Message *hello,
   return GNUNET_OK;
 }
 
+/**
+ * Get the header from a HELLO message, used so other code
+ * can correctly send HELLO messages.
+ *
+ * @param hello the hello message
+ *
+ * @return header or NULL if the HELLO was malformed
+ */
+struct GNUNET_MessageHeader *
+GNUNET_HELLO_get_header (struct GNUNET_HELLO_Message *hello)
+{
+  uint16_t ret = ntohs (hello->header.size);
+  if ((ret < sizeof (struct GNUNET_HELLO_Message)) ||
+      (ntohs (hello->header.type) != GNUNET_MESSAGE_TYPE_HELLO))
+    return NULL;
+
+  return &hello->header;
+}
+
 /* end of hello.c */