Added more stuff like Logging, DynamicPointer, utilities for using STL allocators and NotNullable.

source/mijin/util/os.cpp

@@ -5,11 +5,14 @@
 #include "../debug/assert.hpp"
 
 #if MIJIN_TARGET_OS == MIJIN_OS_LINUX
+    #include <bit>
+    #include <cstring>
     #include <mutex>
     #include <dlfcn.h>
     #include <pthread.h>
 #elif MIJIN_TARGET_OS == MIJIN_OS_WINDOWS
     #include <array>
+    #include <malloc.h>
     #include <windows.h>
     #include "../util/winundef.hpp"
 #endif
@@ -139,4 +142,40 @@ std::string getExecutablePath() MIJIN_NOEXCEPT
 #endif
 }
 
+void* alignedAlloc(std::size_t alignment, std::size_t size) MIJIN_NOEXCEPT
+{
+#if MIJIN_TARGET_OS == MIJIN_OS_WINDOWS
+    return _aligned_alloc(size, alignment);
+#else
+    return std::aligned_alloc(alignment, size);
+#endif
+}
+
+void* alignedRealloc(void* ptr, std::size_t alignment, std::size_t size) MIJIN_NOEXCEPT
+{
+#if MIJIN_TARGET_OS == MIJIN_OS_WINDOWS
+    return _aligned_realloc(ptr, size, alignment);
+#else
+    void* newPtr = std::realloc(ptr, size);
+    if (newPtr == ptr || (std::bit_cast<std::uintptr_t>(newPtr) % alignment) == 0)
+    {
+        return newPtr;
+    }
+    // bad luck, have to copy a second time
+    void* newPtr2 = std::aligned_alloc(alignment, size);
+    std::memcpy(newPtr2, newPtr, size);
+    std::free(newPtr);
+    return newPtr2;
+#endif
+}
+
+void alignedFree(void* ptr)
+{
+#if MIJIN_TARGET_OS == MIJIN_OS_WINDOWS
+    _aligned_free(ptr);
+#else
+    std::free(ptr);
+#endif
+}
+
 } // namespace mijin