Add a quick check for a first printable character to avoid a more expensive
check of the whole first line. This gets called a lot as a heuristic dissector. svn path=/trunk/; revision=49006
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@ -2118,6 +2118,17 @@ dissect_sip_common(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tr
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guint32 response_time = 0;
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guint32 response_time = 0;
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int strlen_to_copy;
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int strlen_to_copy;
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/*
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* If this should be a request of response, do this quick check to see if
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* it begins with a string...
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* Otherwise, SIP heuristics are expensive...
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*
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*/
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if (!dissect_other_as_continuation &&
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((tvb_reported_length_remaining(tvb, offset) < 1) || !isprint(tvb_get_guint8(tvb, offset))))
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{
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return -2;
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}
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/*
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/*
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* Note that "tvb_find_line_end()" will return a value that
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* Note that "tvb_find_line_end()" will return a value that
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