package vk

// #include <stdlib.h>

// #include "vk.h"

import "C"

import (

"bytes"

"unsafe"

)

func externString(a *allocator, s string) *C.char {

m := C.CString(s)

a.allocs = append(a.allocs, unsafe.Pointer(m))

return m

}

func externStrings(a *allocator, ss []string) **C.char {

cstrings := make([]*C.char, len(ss))

for i, s := range ss {

cstrings[i] = externString(a, s)

}

return pinSlice(a, cstrings)

}

func result2error(res Result) error {

if res == Success {

return nil

}

return res

}

func vkBool(b bool) C.VkBool32 {

if b {

return C.VK_TRUE

}

return C.VK_FALSE

}

func str(x []C.char) string {

v := *(*[]byte)(unsafe.Pointer(&x))

idx := bytes.IndexByte(v, 0)

return string(v[:idx])

}