29 lines
782 B
Go
29 lines
782 B
Go
|
//go:build cgo && windows
|
||
|
|
|
||
|
|
package netxlite
|
||
|
|
|
||
|
|
//#include <ws2tcpip.h>
|
||
|
|
import "C"
|
||
|
|
|
||
|
|
import "syscall"
|
||
|
|
|
||
|
|
const getaddrinfoAIFlags = C.AI_CANONNAME
|
||
|
|
|
||
|
|
// Making constants available to Go code so we can run tests (it seems
|
||
|
|
// it's not possible to import C directly in tests, sadly).
|
||
|
|
const (
|
||
|
|
aiCanonname = C.AI_CANONNAME
|
||
|
|
)
|
||
|
|
|
||
|
|
// toError is the function that converts the return value from
|
||
|
|
// the getaddrinfo function into a proper Go error.
|
||
|
|
func (state *getaddrinfoState) toError(code int64, err error, goos string) error {
|
||
|
|
if err == nil {
|
||
|
|
// Implementation note: on Windows getaddrinfo directly
|
||
|
|
// returns what is basically a winsock2 error. So if there
|
||
|
|
// is no other error, just cast code to a syscall err.
|
||
|
|
err = syscall.Errno(code)
|
||
|
|
}
|
||
|
|
return newErrGetaddrinfo(int64(code), err)
|
||
|
|
}
|