From edfdb698e3b2e5132bb474478b0b9daa6676e8fa Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Tue, 10 Feb 2009 19:38:34 +0000
Subject: [PATCH] Add an assertion to evbuffer_chain_align so we can't reuse it
 in the future.

svn:r1105
---
 buffer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/buffer.c b/buffer.c
index 0d4fa15b..f0aa109f 100644
--- a/buffer.c
+++ b/buffer.c
@@ -916,6 +916,7 @@ out:
 static void
 evbuffer_chain_align(struct evbuffer_chain *chain)
 {
+	assert(!(chain->flags & EVBUFFER_IMMUTABLE));
 	memmove(chain->buffer, chain->buffer + chain->misalign, chain->off);
 	chain->misalign = 0;
 }