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-rw-r--r--dev/libSystem/SystemKit/Verify.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/dev/libSystem/SystemKit/Verify.h b/dev/libSystem/SystemKit/Verify.h
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+++ b/dev/libSystem/SystemKit/Verify.h
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+/* -------------------------------------------
+
+ Copyright (C) 2025, Amlal El Mahrouss, all rights reserved.
+
+ File: Verify.h
+ Purpose: System Call Interface Verification Layer.
+
+ ------------------------------------------- */
+
+#pragma once
+
+#include <libSystem/SystemKit/System.h>
+
+namespace LibSystem::Detail {
+/// @author 0xf00sec, and Amlal El Mahrouss
+/// @brief safe cast operator.
+template <typename T, typename R = VoidPtr>
+static 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>
+constexpr R* sys_constexpr_cast(T* ptr) {
+ static_assert(must_cast_traits<T, R>::value, "constexpr cast failed! types are a mismatch!");
+ return static_cast<R*>(ptr);
+}
+} // namespace LibSystem::Detail