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Interop: support allocating zero bytes

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This commit is contained in:
Svyatoslav Scherbina
2016-11-30 13:14:47 +07:00
committed by SvyatoslavScherbina
parent 0e43e0d0d8
commit 8dc42bbe35
1 changed files with 4 additions and 1 deletions
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Interop/Runtime/src/jvm/kotlin/kotlinx/cinterop/JvmNativeMem.kt
+4 -1
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@@ -51,7 +51,10 @@ object nativeMemUtils {
internal class NativeAllocated(override val rawPtr: NativePtr) : NativePointed internal class NativeAllocated(override val rawPtr: NativePtr) : NativePointed
fun alloc(size: Long, align: Int): NativePointed { fun alloc(size: Long, align: Int): NativePointed {
val address = unsafe.allocateMemory(size) val address = unsafe.allocateMemory(
if (size == 0L) 1L else size // It is a hack: `sun.misc.Unsafe` can't allocate zero bytes
)
if (address % align != 0L) TODO(align.toString()) if (address % align != 0L) TODO(align.toString())
return interpretPointed<NativeAllocated>(address) return interpretPointed<NativeAllocated>(address)
} }