DroidFS/app/src/main/java/sushi/hardcore/droidfs/MemFile.kt

22 lines
730 B
Kotlin

package sushi.hardcore.droidfs
import android.os.ParcelFileDescriptor
import android.system.Os
class MemFile private constructor(private val fd: Int) {
companion object {
private external fun createMemFile(name: String, size: Long): Int
init {
System.loadLibrary("memfile")
}
fun create(name: String, size: Long): MemFile? {
val fd = createMemFile(name, size)
return if (fd > 0) MemFile(fd) else null
}
}
fun dup(): ParcelFileDescriptor = ParcelFileDescriptor.fromFd(fd)
fun toParcelFileDescriptor(): ParcelFileDescriptor = ParcelFileDescriptor.adoptFd(fd)
fun close() = Os.close(ParcelFileDescriptor.adoptFd(fd).fileDescriptor)
}