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Fix nullptr instead of NULL argument usage in getaddrinfo().
Bump version.
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@@ -94,7 +94,7 @@ int CUDPSocket::lookup(const std::string& hostname, unsigned short port, sockadd
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/* Port is always digits, no needs to lookup service */
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hints.ai_flags |= AI_NUMERICSERV;
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int err = ::getaddrinfo(hostname.empty() ? nullptr : hostname.c_str(), portstr.c_str(), &hints, &res);
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int err = ::getaddrinfo(hostname.empty() ? NULL : hostname.c_str(), portstr.c_str(), &hints, &res);
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if (err != 0) {
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sockaddr_in* paddr = (sockaddr_in*)&addr;
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::memset(paddr, 0x00U, address_length = sizeof(sockaddr_in));
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