From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 13 Feb 2010 23:49:06 +0000 (+0000)
Subject: permit NULL addrgen
X-Git-Tag: initial-import-from-subversion-38251~22732
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3e2673ea17900dc4f078bb8b147678ca66e783d7;p=oweals%2Fgnunet.git

permit NULL addrgen
---

diff --git a/src/hello/hello.c b/src/hello/hello.c
index a7aaf7d54..2a99234db 100644
--- a/src/hello/hello.c
+++ b/src/hello/hello.c
@@ -176,10 +176,13 @@ GNUNET_HELLO_create (const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded
 
   max = sizeof (buffer);
   used = 0;
-  while (0 != (ret = addrgen (addrgen_cls, max, &buffer[used])))
+  if (addrgen != NULL)
     {
-      max -= ret;
-      used += ret;
+      while (0 != (ret = addrgen (addrgen_cls, max, &buffer[used])))
+	{
+	  max -= ret;
+	  used += ret;
+	}
     }
   hello = GNUNET_malloc (sizeof (struct GNUNET_HELLO_Message) + used);
   hello->header.type = htons (GNUNET_MESSAGE_TYPE_HELLO);