commit 6dd8ff0ad9cf32ab7b22d1e2c9fc24477300fa4f Author: Nick Mathewson <nickm@torproject.org> Date: Tue Jul 16 13:44:00 2013 -0400 Break up <??> differently, and explain why --- src/or/ext_orport.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/src/or/ext_orport.c b/src/or/ext_orport.c index cd8ab2d..72dbaa5 100644 --- a/src/or/ext_orport.c +++ b/src/or/ext_orport.c @@ -515,8 +515,11 @@ connection_ext_or_process_inbuf(or_connection_t *or_conn) /* If the transport proxy did not use the TRANSPORT command to * specify the transport name, mark this as unknown transport. */ - if (!or_conn->ext_or_transport) - or_conn->ext_or_transport = tor_strdup("<?\?>"); + if (!or_conn->ext_or_transport) { + /* We write this string this way to avoid ??>, which is a C + * trigraph. */ + or_conn->ext_or_transport = tor_strdup("<?" "?>"); + } connection_write_ext_or_command(conn, EXT_OR_CMD_BT_OKAY, NULL, 0);