Function fileIsWritable

iolib.go:149–157

(L *LState, file *lFile)

}

func fileIsWritable(L *LState, file *lFile) int {
	if file.writer == nil {
		L.Push(LNil)
		L.Push(LString(fmt.Sprintf("%s is opened for only reading.", file.Name())))
		L.Push(LNumber(1)) // C-Lua compatibility: Original Lua pushes errno to the stack
		return 3
	}
	return 0
}

func fileIsReadable(L *LState, file *lFile) int {
	if file.reader == nil {