Function initLoadedDllPath

pcap/pcap_windows.go:54–67

(kernel32 syscall.Handle)

var loadedDllPath = "wpcap.dll"

func initLoadedDllPath(kernel32 syscall.Handle) {
	getModuleFileName, err := syscall.GetProcAddress(kernel32, "GetModuleFileNameA")
	if err != nil {
		// we can't get the filename of the loaded module in this case - just leave default of wpcap.dll
		return
	}
	buf := make([]byte, 4096)
	r, _, _ := syscall.Syscall(getModuleFileName, 3, uintptr(wpcapHandle), uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)))
	if r == 0 {
		// we can't get the filename of the loaded module in this case - just leave default of wpcap.dll
		return
	}
	loadedDllPath = string(buf[:int(r)])
}

func mustLoad(fun string) uintptr {
	addr, err := windows.GetProcAddress(wpcapHandle, fun)