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LibCore: Add a wrapper for getaddrinfo()

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This commit is contained in:
Lucas CHOLLET 2022-12-08 00:47:25 +01:00 • committed by Linus Groh
parent 34c13eff11
commit 687ef7740a
2 changed files with 54 additions and 0 deletions
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28
Userland/Libraries/LibCore/System.h
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@ -9,10 +9,14 @@
#pragma once
#include <AK/Error.h>
#include <AK/Noncopyable.h>
#include <AK/OwnPtrWithCustomDeleter.h>
#include <AK/StringView.h>
#include <AK/Vector.h>
#include <dirent.h>
#include <fcntl.h>
#include <grp.h>
#include <netdb.h>
#include <poll.h>
#include <pwd.h>
#include <signal.h>
@ -210,6 +214,30 @@ ErrorOr<void> access(StringView pathname, int mode);
ErrorOr<DeprecatedString> readlink(StringView pathname);
ErrorOr<int> poll(Span<struct pollfd>, int timeout);
class AddressInfoVector {
AK_MAKE_NONCOPYABLE(AddressInfoVector);
public:
AddressInfoVector(AddressInfoVector&&) = default;
~AddressInfoVector() = default;
Span<struct addrinfo const> addresses() const { return m_addresses; }
private:
friend ErrorOr<AddressInfoVector> getaddrinfo(char const* nodename, char const* servname, struct addrinfo const& hints);
AddressInfoVector(Vector<struct addrinfo>&& addresses, struct addrinfo* ptr, AK::Function<void(struct addrinfo*)> deleter)
: m_addresses(move(addresses))
, m_ptr(ptr, move(deleter))
{
}
Vector<struct addrinfo> m_addresses {};
OwnPtrWithCustomDeleter<struct addrinfo> m_ptr;
};
ErrorOr<AddressInfoVector> getaddrinfo(char const* nodename, char const* servname, struct addrinfo const& hints);
#ifdef AK_OS_SERENITY
ErrorOr<void> posix_fallocate(int fd, off_t offset, off_t length);
#endif