package main

/*
#include <stdlib.h>
*/
import "C"
import "unsafe"

//export prepareCStringArray
func prepareCStringArray(goStrings []string) (**C.char, int) {
	cStrings := make([]*C.char, len(goStrings))
	for i, s := range goStrings {
		cStrings[i] = C.CString(s)
	}
	return (**C.char)(unsafe.Pointer(&cStrings[0])), len(goStrings)
}

//export freeCStringArray
func freeCStringArray(cStrings **C.char, length int) {
	array := (*[1 << 30]*C.char)(unsafe.Pointer(cStrings))[:length:length]
	for _, s := range array {
		C.free(unsafe.Pointer(s))
	}
}