From d9d7e3b9c3c676908015396d3ea8b5fb5ee29a03 Mon Sep 17 00:00:00 2001
From: Andrew Golovashevich <landgrafhomyak@gmail.com>
Date: Thu, 4 Sep 2025 23:01:08 +0300
Subject: [PATCH] sizeof and subpackages for platform-specific code

---
 .../kotlin_native_interop_stdlib_0/sizeof.kt  | 23 +++++++++++++++++++
 .../{ => posix}/PosixApiException.kt          |  9 ++++----
 .../{ => windows}/WindowsApiException.kt      |  3 ++-
 3 files changed, 30 insertions(+), 5 deletions(-)
 create mode 100644 src/commonMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/sizeof.kt
 rename src/posixMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/{ => posix}/PosixApiException.kt (92%)
 rename src/windowsMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/{ => windows}/WindowsApiException.kt (97%)

diff --git a/src/commonMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/sizeof.kt b/src/commonMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/sizeof.kt
new file mode 100644
index 0000000..9243eaa
--- /dev/null
+++ b/src/commonMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/sizeof.kt
@@ -0,0 +1,23 @@
+
+package ru.landgrafhomyak.utility.kotlin_native_interop_stdlib_0
+
+import kotlinx.cinterop.CVariable
+import kotlinx.cinterop.ExperimentalForeignApi
+import kotlinx.cinterop.sizeOf
+
+
+/**
+ * Returns size of a C type in bytes, but as [unsigned long long][ULong].
+ * @see sizeOf
+ * @see sizeOfUI
+ */
+@ExperimentalForeignApi
+public inline fun <reified T : CVariable> sizeOfUL(): ULong = sizeOf<T>().toULong()
+
+/**
+ * Returns size of a C type in bytes, but as [unsigned long][UInt].
+ * @see sizeOf
+ * @see sizeOfUL
+ */
+@ExperimentalForeignApi
+public inline fun <reified T : CVariable> sizeOfUI(): UInt = sizeOf<T>().toUInt()
diff --git a/src/posixMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/PosixApiException.kt b/src/posixMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/posix/PosixApiException.kt
similarity index 92%
rename from src/posixMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/PosixApiException.kt
rename to src/posixMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/posix/PosixApiException.kt
index 3c55e6a..85fcfd7 100644
--- a/src/posixMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/PosixApiException.kt
+++ b/src/posixMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/posix/PosixApiException.kt
@@ -1,9 +1,10 @@
-package ru.landgrafhomyak.utility.kotlin_native_interop_stdlib_0
+package ru.landgrafhomyak.utility.kotlin_native_interop_stdlib_0.posix
 
 import kotlinx.cinterop.ExperimentalForeignApi
 import kotlinx.cinterop.toKStringFromUtf8
+import platform.posix.errno
 import platform.posix.strerror
-import platform.posix.errno as getLastErrno
+import ru.landgrafhomyak.utility.kotlin_native_interop_stdlib_0.OsException
 
 public class PosixApiException : OsException {
 	private val errno: Int
@@ -41,7 +42,7 @@ public class PosixApiException : OsException {
 			throw this.formatFromWindowsErrCode(code)
 		}
 
-		public fun formatFromLastWindowsErr(): PosixApiException = this.formatFromWindowsErrCode(getLastErrno)
+		public fun formatFromLastWindowsErr(): PosixApiException = this.formatFromWindowsErrCode(errno)
 
 		public fun formatFromWindowsErrCode(code: Int): PosixApiException {
 			var err = PosixApiException(errno = code, nativeMessage = null, customMessage = "[errno=${code}]")
@@ -60,7 +61,7 @@ public class PosixApiException : OsException {
 			if (raw != null) {
 				return raw.toKStringFromUtf8()
 			} else {
-				val strerrErrno = getLastErrno
+				val strerrErrno = errno
 				throw PosixApiException(errno = strerrErrno, nativeMessage = null, "[errno=${strerrErrno}]")
 			}
 		}
diff --git a/src/windowsMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/WindowsApiException.kt b/src/windowsMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/windows/WindowsApiException.kt
similarity index 97%
rename from src/windowsMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/WindowsApiException.kt
rename to src/windowsMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/windows/WindowsApiException.kt
index 9b8ad90..106a22d 100644
--- a/src/windowsMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/WindowsApiException.kt
+++ b/src/windowsMain/kotlin/ru/landgrafhomyak/utility/kotlin_native_interop_stdlib_0/windows/WindowsApiException.kt
@@ -1,4 +1,4 @@
-package ru.landgrafhomyak.utility.kotlin_native_interop_stdlib_0
+package ru.landgrafhomyak.utility.kotlin_native_interop_stdlib_0.windows
 
 import kotlinx.cinterop.ByteVar
 import kotlinx.cinterop.CPointerVar
@@ -16,6 +16,7 @@ import platform.windows.FormatMessageA
 import platform.windows.GetLastError
 import platform.windows.LocalFree
 import ru.landgrafhomyak.utility.highlevel_try_finally.safeAutoClose1
+import ru.landgrafhomyak.utility.kotlin_native_interop_stdlib_0.OsException
 
 public class WindowsApiException : OsException {
 	private val errno: UInt