From f38a7682e3eb4a8a2bfc36a1c771cbf3cd1bdd0e Mon Sep 17 00:00:00 2001
From: eb <eb@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Mon, 12 Mar 2007 22:08:06 +0000
Subject: New fix for gr_framer_sink_1 hang on zero length payload.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4739 221aa14e-8319-0410-a670-987f0aec2ac5
---
gnuradio-core/src/python/gnuradio/gruimpl/crc.py | 2 ++
1 file changed, 2 insertions(+)
(limited to 'gnuradio-core/src/python/gnuradio/gruimpl/crc.py')
diff --git a/gnuradio-core/src/python/gnuradio/gruimpl/crc.py b/gnuradio-core/src/python/gnuradio/gruimpl/crc.py
index 3decd09a29..096863fb5d 100644
--- a/gnuradio-core/src/python/gnuradio/gruimpl/crc.py
+++ b/gnuradio-core/src/python/gnuradio/gruimpl/crc.py
@@ -28,6 +28,8 @@ def gen_and_append_crc32(s):
return s + struct.pack(">I", hexint(crc))
def check_crc32(s):
+ if len(s) < 4:
+ return (False, '')
msg = s[:-4]
#print "msg = '%s'" % (msg,)
actual = gr.crc32(msg)
--
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