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HTTP3: fix invalid use of sendto for connected UDP socket
On macOS/BSD, trying to call sendto on a connected UDP socket fails with a EISCONN error. Because the singleipconnect has already called connect on the socket when we're trying to use it for QUIC transfers we need to use plain send instead. Fixes #4529 Closes https://github.com/curl/curl/pull/4533
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@ -1544,9 +1544,7 @@ static CURLcode ng_flush_egress(struct connectdata *conn, int sockfd,
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}
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memcpy(&remote_addr, ps.path.remote.addr, ps.path.remote.addrlen);
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while((sent = sendto(sockfd, out, outlen, 0,
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(struct sockaddr *)&remote_addr,
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(socklen_t)ps.path.remote.addrlen)) == -1 &&
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while((sent = send(sockfd, out, outlen, 0)) == -1 &&
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SOCKERRNO == EINTR)
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;
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@ -1556,7 +1554,7 @@ static CURLcode ng_flush_egress(struct connectdata *conn, int sockfd,
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break;
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}
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else {
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failf(conn->data, "sendto() returned %zd (errno %d)\n", sent,
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failf(conn->data, "send() returned %zd (errno %d)\n", sent,
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SOCKERRNO);
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return CURLE_SEND_ERROR;
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}
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