[tor-commits] [tor/master] document test-operator-cleanup

[teor@xxxxxxxxxxxxxx]

commit 9ab96550da079abe048d1e0e2065e3fb85634cda
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Oct 9 09:27:48 2019 -0400

    document test-operator-cleanup
---
 scripts/coccinelle/test-operator-cleanup | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/scripts/coccinelle/test-operator-cleanup b/scripts/coccinelle/test-operator-cleanup
index e7822542a..28b4d4f58 100755
--- a/scripts/coccinelle/test-operator-cleanup
+++ b/scripts/coccinelle/test-operator-cleanup
@@ -1,4 +1,17 @@
 #!/usr/bin/perl -w -p -i
+#
+# Copyright (c) 2001 Matej Pfajfar.
+# Copyright (c) 2001-2004, Roger Dingledine.
+# Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+# Copyright (c) 2007-2019, The Tor Project, Inc.
+# See LICENSE for licensing information
+
+# This script looks for instances of C comparison operators as macro arguments,
+# and replaces them with our OP_* equivalents.
+#
+# Some macros that take operators are our tt_int_op() testing macro, and the
+# standard timercmp() macro.  Coccinelle can't handle their syntax, however,
+# unless we give them their operators as a macro too.
 
 next if m#^ */\*# or m#^ *\* #;
 



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