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authorAmlal El Mahrouss <amlal@nekernel.org>2025-11-23 21:06:27 -0500
committerGitHub <noreply@github.com>2025-11-23 21:06:27 -0500
commit23040fad647634c08697451fc22ee2ca999629c8 (patch)
tree72888f88c7728c82f3f6df1f4f70591de15eab36 /src/libSystem/SystemKit/Verify.h
parente5cc7351f0577b54c528fb827a7c7e6306c3e843 (diff)
parent83d870e58457a1d335a1d9b9966a6a1887cc297b (diff)
Merge pull request #81 from nekernel-org/dev
feat! breaking changes on kernel sources.
Diffstat (limited to 'src/libSystem/SystemKit/Verify.h')
-rw-r--r--src/libSystem/SystemKit/Verify.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/libSystem/SystemKit/Verify.h b/src/libSystem/SystemKit/Verify.h
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+++ b/src/libSystem/SystemKit/Verify.h
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+/* ========================================
+
+ Copyright (C) 2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+ File: Verify.h
+ Purpose: System Call Interface Verification Layer.
+
+ ======================================== */
+
+#pragma once
+
+#include <libSystem/SystemKit/System.h>
+
+namespace LibSystem::Verify {
+/// @author 0xf00sec, and Amlal El Mahrouss
+/// @brief safe cast operator.
+template <typename T, typename R = VoidPtr>
+inline R sys_safe_cast(const T* ptr) {
+ _rtl_assert(ptr, "safe cast failed!");
+ return static_cast<R>(const_cast<T*>(ptr));
+}
+
+template <typename T, typename U>
+struct must_cast_traits {
+ constexpr static BOOL value = false;
+};
+
+template <typename T>
+struct must_cast_traits<T, T> {
+ constexpr static BOOL value = true;
+};
+
+/// @author Amlal El Mahrouss
+/// @brief Safe constexpr cast.
+template <typename T, typename R>
+inline constexpr R* sys_constexpr_cast(T* ptr) {
+ static_assert(must_cast_traits<T, R>::value, "constexpr cast failed! types are mismatching!");
+ return static_cast<R*>(ptr);
+}
+} // namespace LibSystem::Verify