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convert getaddrinfo rc to enum before switching on it

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This commit is contained in:
Jonathan Marler 2020-05-30 09:56:52 -06:00
parent 2eaab1e65e
commit 2bae91e769
1 changed files with 11 additions and 13 deletions
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24
lib/std/net.zig
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@ -454,19 +454,17 @@ pub fn getAddressList(allocator: *mem.Allocator, name: []const u8, port: u16) !*
const rc = sys.getaddrinfo(name_c.ptr, @ptrCast([*:0]const u8, port_c.ptr), &hints, &res);
if (builtin.os.tag == .windows) {
const ws2_32 = os.windows.ws2_32;
switch (rc) {
0 => {},
@enumToInt(ws2_32.WinsockError.WSATRY_AGAIN) => return error.TemporaryNameServerFailure,
@enumToInt(ws2_32.WinsockError.WSANO_RECOVERY) => return error.NameServerFailure,
@enumToInt(ws2_32.WinsockError.WSAEAFNOSUPPORT) => return error.AddressFamilyNotSupported,
@enumToInt(ws2_32.WinsockError.WSA_NOT_ENOUGH_MEMORY) => return error.OutOfMemory,
@enumToInt(ws2_32.WinsockError.WSAHOST_NOT_FOUND) => return error.UnknownHostName,
@enumToInt(ws2_32.WinsockError.WSATYPE_NOT_FOUND) => return error.ServiceUnavailable,
@enumToInt(ws2_32.WinsockError.WSAEINVAL) => unreachable,
@enumToInt(ws2_32.WinsockError.WSAESOCKTNOSUPPORT) => unreachable,
else => |err| return os.windows.unexpectedWSAError(
std.meta.intToEnum(ws2_32.WinsockError, err) catch unreachable),
}
if (rc != 0) switch (@intToEnum(os.windows.ws2_32.WinsockError, @intCast(u16, rc))) {
.WSATRY_AGAIN => return error.TemporaryNameServerFailure,
.WSANO_RECOVERY => return error.NameServerFailure,
.WSAEAFNOSUPPORT => return error.AddressFamilyNotSupported,
.WSA_NOT_ENOUGH_MEMORY => return error.OutOfMemory,
.WSAHOST_NOT_FOUND => return error.UnknownHostName,
.WSATYPE_NOT_FOUND => return error.ServiceUnavailable,
.WSAEINVAL => unreachable,
.WSAESOCKTNOSUPPORT => unreachable,
else => |err| return os.windows.unexpectedWSAError(err),
};
} else {
switch (rc) {
@intToEnum(sys.EAI, 0) => {},