/************************************************************//**
*
*	@file: memory_impl.c
*	@author: Martin Fouilleul
*	@date: 17/04/2023
*
*****************************************************************/

#include"orca_app.h"

void* wasm_memory_resize_callback(void* p, unsigned long size, void* userData)
{
	// wasm_memory* memory = (wasm_memory*)userData;

	// if(memory->committed >= size)
	// {
	// 	return(memory->ptr);
	// }
	// else if(memory->committed < memory->reserved)
	// {
	// 	u32 commitSize = size - memory->committed;

	// 	mem_base_allocator* allocator = mem_base_allocator_default();
	// 	mem_base_commit(allocator, memory->ptr + memory->committed, commitSize);
	// 	memory->committed += commitSize;
	// 	return(memory->ptr);
	// }
	// else
	// {
	// 	DEBUG_ASSERT(0, "Out of memory");
	// 	return(0);
	// }
	return NULL;
}

void wasm_memory_free_callback(void* p, void* userData)
{
// 	wasm_memory* memory = (wasm_memory*)userData;

// 	mem_base_allocator* allocator = mem_base_allocator_default();
// 	mem_base_release(allocator, memory->ptr, memory->reserved);
// 	memset(memory, 0, sizeof(wasm_memory));
}

extern u32 orca_mem_grow(u64 size)
{
	return 0;
	// const size_t PAGE_SIZE = 65536;

	// orca_runtime* runtime = orca_runtime_get();
	// wasm_memory* memory = &runtime->wasmMemory;

	// size = AlignUpOnPow2(size, PAGE_SIZE);
	// u64 totalSize = size + m3_GetMemorySize(runtime->m3Runtime);

	// u32 addr = memory->committed;

	// //NOTE: call resize memory, which will call our custom resize callback... this is a bit involved because
	// //      wasm3 doesn't allow resizing the memory directly
	// M3Result res = ResizeMemory(runtime->m3Runtime, totalSize/PAGE_SIZE);

	// return(addr);
}

void* wasm_memory_offset_to_ptr(wasm_memory* memory, u32 offset)
{
	// M3MemoryHeader* header = (M3MemoryHeader*)(memory->ptr);
	// DEBUG_ASSERT(offset < header->length, "Wasm offset exceeds memory length")
	// return memory->ptr + sizeof(M3MemoryHeader) + offset;
	return NULL;
}