remove almost all useless instances of add_blank_header() but one,
for which i need to investigate a bit more (but i am almost 100% sure that one is also useless). I do the commit in two steps so it is easier to track the problem. git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26915 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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@ -1796,11 +1796,22 @@ static void parse_copy(struct sip_request *dst, struct sip_request *src)
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parse_request(dst);
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}
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/* add a blank line if no body */
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static void add_blank(struct sip_request *req)
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{
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if (!req->lines) {
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/* Add extra empty return. add_header() reserves 4 bytes so cannot be truncated */
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snprintf(req->data + req->len, sizeof(req->data) - req->len, "\r\n");
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req->len += strlen(req->data + req->len);
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}
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}
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/*! \brief Transmit response on SIP request*/
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static int send_response(struct sip_pvt *p, struct sip_request *req, enum xmittype reliable, int seqno)
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{
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int res;
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add_blank(req);
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if (sip_debug_test_pvt(p)) {
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char iabuf[INET_ADDRSTRLEN];
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if (ast_test_flag(&p->flags[0], SIP_NAT_ROUTE))
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@ -1827,6 +1838,7 @@ static int send_request(struct sip_pvt *p, struct sip_request *req, enum xmittyp
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{
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int res;
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add_blank(req);
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if (sip_debug_test_pvt(p)) {
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char iabuf[INET_ADDRSTRLEN];
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if (ast_test_flag(&p->flags[0], SIP_NAT_ROUTE))
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@ -4578,7 +4590,6 @@ static int __transmit_response(struct sip_pvt *p, const char *msg, struct sip_re
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snprintf(buf, sizeof(buf), "%d", p->owner->hangupcause);
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add_header(&resp, "X-Asterisk-HangupCauseCode", buf);
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}
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add_blank_header(&resp);
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return send_response(p, &resp, reliable, seqno);
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}
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@ -4625,7 +4636,6 @@ static int transmit_response_with_date(struct sip_pvt *p, char *msg, struct sip_
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respprep(&resp, p, msg, req);
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append_date(&resp);
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add_header_contentLength(&resp, 0);
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add_blank_header(&resp);
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return send_response(p, &resp, XMIT_UNRELIABLE, 0);
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}
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@ -4636,7 +4646,6 @@ static int transmit_response_with_allow(struct sip_pvt *p, char *msg, struct sip
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respprep(&resp, p, msg, req);
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add_header(&resp, "Accept", "application/sdp");
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add_header_contentLength(&resp, 0);
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add_blank_header(&resp);
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return send_response(p, &resp, reliable, 0);
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}
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@ -4657,7 +4666,6 @@ static int transmit_response_with_auth(struct sip_pvt *p, const char *msg, struc
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respprep(&resp, p, msg, req);
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add_header(&resp, header, tmp);
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add_header_contentLength(&resp, 0);
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add_blank_header(&resp);
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return send_response(p, &resp, reliable, seqno);
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}
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@ -5395,7 +5403,6 @@ static int transmit_invite(struct sip_pvt *p, int sipmethod, int sdp, int init)
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add_sdp(&req, p);
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} else {
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add_header_contentLength(&req, 0);
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add_blank_header(&req);
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}
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if (!p->initreq.headers)
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@ -5915,7 +5922,6 @@ static int transmit_register(struct sip_registry *r, int sipmethod, char *auth,
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add_header(&req, "Contact", p->our_contact);
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add_header(&req, "Event", "registration");
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add_header_contentLength(&req, 0);
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add_blank_header(&req);
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initialize_initreq(p, &req);
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if (sip_debug_test_pvt(p))
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@ -6000,7 +6006,6 @@ static int transmit_refer(struct sip_pvt *p, const char *dest)
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add_header(&req, "Supported", SUPPORTED_EXTENSIONS);
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if (!ast_strlen_zero(p->our_contact))
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add_header(&req, "Referred-By", p->our_contact);
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add_blank_header(&req);
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return send_request(p, &req, 1, p->ocseq);
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/* We should propably wait for a NOTIFY here until we ack the transfer */
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@ -6038,7 +6043,6 @@ static int transmit_request(struct sip_pvt *p, int sipmethod, int seqno, enum xm
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struct sip_request resp;
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reqprep(&resp, p, sipmethod, seqno, newbranch);
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add_header_contentLength(&resp, 0);
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add_blank_header(&resp);
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return send_request(p, &resp, reliable, seqno ? seqno : p->ocseq);
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}
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@ -6073,7 +6077,6 @@ static int transmit_request_with_auth(struct sip_pvt *p, int sipmethod, int seqn
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}
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add_header_contentLength(&resp, 0);
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add_blank_header(&resp);
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return send_request(p, &resp, reliable, seqno ? seqno : p->ocseq);
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}
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