First proper commit.

src/code/gamealloc.c

@@ -0,0 +1,95 @@
+#include <global.h>
+
+void GameAlloc_Log(GameAlloc* this)
+{
+    GameAllocEntry* iter;
+
+    osSyncPrintf("this = %08x\n", this);
+
+    iter = this->base.next;
+    while (iter != &this->base)
+    {
+        osSyncPrintf("ptr = %08x size = %d\n", iter, iter->size);
+        iter = iter->next;
+    }
+}
+
+void* GameAlloc_MallocDebug(GameAlloc* this, u32 size, const char* file, s32 line)
+{
+    GameAllocEntry* ptr;
+
+    ptr = SystemArena_MallocDebug(size+sizeof(GameAllocEntry), file, line);
+    if (ptr)
+    {
+        ptr->size = size;
+        ptr->prev = this->head;
+        this->head->next = ptr;
+        this->head = ptr;
+        ptr->next = &this->base;
+        this->base.prev = this->head;
+        return ptr + 1;
+    }
+    else
+        return NULL;
+}
+
+void* GameAlloc_Malloc(GameAlloc* this, u32 size)
+{
+    GameAllocEntry* ptr;
+
+    ptr = SystemArena_MallocDebug(size+sizeof(GameAllocEntry), "../gamealloc.c", 93);
+    if (ptr)
+    {
+        ptr->size = size;
+        ptr->prev = this->head;
+        this->head->next = ptr;
+        this->head = ptr;
+        ptr->next = &this->base;
+        this->base.prev = this->head;
+        return ptr + 1;
+    }
+    else
+        return NULL;
+}
+
+void GameAlloc_Free(GameAlloc* this, void* data)
+{
+    GameAllocEntry* ptr;
+
+    if (data)
+    {
+        ptr = &((GameAllocEntry*)data)[-1];
+        LogUtils_CheckNullPointer("ptr->prev", ptr->prev, "../gamealloc.c", 120);
+        LogUtils_CheckNullPointer("ptr->next", ptr->next, "../gamealloc.c", 121);
+        ptr->prev->next = ptr->next;
+        ptr->next->prev = ptr->prev;
+        this->head = this->base.prev;
+        SystemArena_FreeDebug(ptr, "../gamealloc.c", 125);
+    }
+}
+
+void GameAlloc_Cleanup(GameAlloc* this)
+{
+    GameAllocEntry* next;
+    GameAllocEntry* cur;
+
+    next = this->base.next;
+    while (&this->base != next)
+    {
+        cur = next;
+        next = next->next;
+        SystemArena_FreeDebug(cur, "../gamealloc.c", 145);
+    }
+
+    this->head = &this->base;
+    this->base.next = &this->base;
+    this->base.prev = &this->base;
+    
+}
+
+void GameAlloc_Init(GameAlloc* this)
+{
+    this->head = &this->base;
+    this->base.next = &this->base;
+    this->base.prev = &this->base;
+}