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// +build windows
package log
import (
"log"
"os"
"syscall"
)
var (
kernel32 = syscall.MustLoadDLL("kernel32.dll")
procSetStdHandle = kernel32.MustFindProc("SetStdHandle")
)
func setStdHandle(stdhandle int32, handle syscall.Handle) error {
r0, _, e1 := syscall.Syscall(procSetStdHandle.Addr(), 2, uintptr(stdhandle), uintptr(handle), 0)
if r0 == 0 {
if e1 != 0 {
return error(e1)
}
return syscall.EINVAL
}
return nil
}
func CrashLog(file string) {
f, err := os.OpenFile(file, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
log.Println(err.Error())
} else {
err = setStdHandle(syscall.STD_ERROR_HANDLE, syscall.Handle(f.Fd()))
if err != nil {
log.Println(err.Error())
}
}
}
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