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[llvm-jitlink] Replace use of deprecated gethostbyname by getaddrinfo.

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This patch replaces use of deprecated gethostbyname by getaddrinfo.

Author: Rafik Zurob

Reviewed By: lhames

Differential Revision: https://reviews.llvm.org/D95477
This commit is contained in:
Rafik Zurob 2021-01-22 06:51:19 -06:00 committed by Ahsan Saghir
parent 83bd242202
commit cba2552bfe
1 changed files with 24 additions and 4 deletions
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28
llvm/tools/llvm-jitlink/llvm-jitlink.cpp
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@ -690,15 +690,35 @@ LLVMJITLinkRemoteTargetProcessControl::ConnectToExecutor() {
" is not a valid integer",
inconvertibleErrorCode());
addrinfo *AI;
addrinfo Hints{};
Hints.ai_family = AF_INET;
Hints.ai_socktype = SOCK_STREAM;
Hints.ai_protocol = PF_INET;
Hints.ai_flags = AI_NUMERICSERV;
if (getaddrinfo(HostName.c_str(), PortStr.str().c_str(), &Hints, &AI) != 0)
return make_error<StringError>("Failed to resolve " + HostName + ":" +
Twine(Port),
inconvertibleErrorCode());
int SockFD = socket(PF_INET, SOCK_STREAM, 0);
hostent *Server = gethostbyname(HostName.c_str());
sockaddr_in ServAddr;
memset(&ServAddr, 0, sizeof(ServAddr));
ServAddr.sin_family = PF_INET;
memmove(&Server->h_addr, &ServAddr.sin_addr.s_addr, Server->h_length);
ServAddr.sin_port = htons(Port);
if (connect(SockFD, reinterpret_cast<sockaddr *>(&ServAddr),
sizeof(ServAddr)) < 0)
// getaddrinfo returns a list of address structures. Go through the list
// to find one we can connect to.
int ConnectRC = -1;
for (addrinfo *Server = AI; Server; Server = Server->ai_next) {
memmove(&Server->ai_addr, &ServAddr.sin_addr.s_addr, Server->ai_addrlen);
ConnectRC = connect(SockFD, reinterpret_cast<sockaddr *>(&ServAddr),
sizeof(ServAddr));
if (ConnectRC == 0)
break;
}
freeaddrinfo(AI);
if (ConnectRC == -1)
return make_error<StringError>("Failed to connect to " + HostName + ":" +
Twine(Port),
inconvertibleErrorCode());