From aa6bcd50ca00e8e7e61ca80dab96cb63d3643d79 Mon Sep 17 00:00:00 2001
From: Roger Dingledine <arma@torproject.org>
Date: Mon, 2 May 2005 23:39:09 +0000
Subject: comment buf_shrink

svn:r4168
---
 src/or/buffers.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/or/buffers.c b/src/or/buffers.c
index 8f81eb2267..015245d84f 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -244,6 +244,11 @@ static INLINE void buf_shrink_if_underfull(buf_t *buf) {
 #define buf_shrink_if_underfull(buf) do {} while (0)
 #endif
 
+/** Resize buf so it won't hold extra memory that we haven't
+ * been using lately. Try to shrink the buf until it is the
+ * largest factor of two that can contain highwater, but never
+ * smaller than MIN_LAZY_SHRINK_SIZE.
+ */
 void
 buf_shrink(buf_t *buf)
 {
-- 
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