Convert Go strings to C-compatible strings for Windows API Calls

string_convert_windows.go

package win32

import "unicode/utf16"

// StringToCharPtr converts a Go string into pointer to a null-terminated cstring.
// This assumes the go string is already ANSI encoded.
func StringToCharPtr(str string) *uint8 {
	chars := append([]byte(str), 0) // null terminated
	return &chars[0]
}

// StringToUTF16Ptr converts a Go string into a pointer to a null-terminated UTF-16 wide string.
// This assumes str is of a UTF-8 compatible encoding so that it can be re-encoded as UTF-16.
func StringToUTF16Ptr(str string) *uint16 {
	wchars := utf16.Encode([]rune(str + "\x00"))	
	return &wchars[0]
}