From cd6145855d32f8fdb54db5696667ca17997d321f Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 7 May 2010 09:19:18 +0000
Subject: [PATCH] fix

---
 src/fs/fs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/fs/fs.c b/src/fs/fs.c
index a569ce27a..d2ac711f2 100644
--- a/src/fs/fs.c
+++ b/src/fs/fs.c
@@ -1097,14 +1097,16 @@ copy_from_reader (struct GNUNET_BIO_WriteHandle *wh,
   char buf[32 * 1024];
   uint64_t off;
   size_t ret;
+  size_t left;
   char *emsg;
 
   emsg = NULL;
   off = 0;
   while (off < fi->data.file.file_size)
     {
+      left = GNUNET_MIN (sizeof(buf), fi->data.file.file_size - off);
       ret = fi->data.file.reader (fi->data.file.reader_cls,
-				  off, sizeof (buf),
+				  off, left,
 				  buf,
 				  &emsg);
       if (ret == 0)
-- 
2.25.1