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authorgeni <me@geni.site>2021-12-31 15:39:46 +0200
committergeni <me@geni.site>2021-12-31 15:40:39 +0200
commit0a0cc706e7220a6927e10d333796c12442cb84c1 (patch)
treea9f26a2ca09f961f4e3d20b306c8224c67832c62 /LauncherInjector/memalloc.cpp
parent831a9a99f4c75560a0a33c2da89b5d36b55d612b (diff)
downloadNorthstarLauncher-0a0cc706e7220a6927e10d333796c12442cb84c1.tar.gz
NorthstarLauncher-0a0cc706e7220a6927e10d333796c12442cb84c1.zip
Clean up
Diffstat (limited to 'LauncherInjector/memalloc.cpp')
-rw-r--r--LauncherInjector/memalloc.cpp90
1 files changed, 0 insertions, 90 deletions
diff --git a/LauncherInjector/memalloc.cpp b/LauncherInjector/memalloc.cpp
deleted file mode 100644
index af334acf..00000000
--- a/LauncherInjector/memalloc.cpp
+++ /dev/null
@@ -1,90 +0,0 @@
-#define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
-#include "memalloc.h"
-#include <stdio.h>
-
-extern HMODULE hTier0Module;
-IMemAlloc** g_ppMemAllocSingleton;
-
-void LoadTier0Handle()
-{
- if (!hTier0Module) hTier0Module = GetModuleHandleA("tier0.dll");
- if (!hTier0Module) return;
-
- g_ppMemAllocSingleton = (IMemAlloc**)GetProcAddress(hTier0Module, "g_pMemAllocSingleton");
-}
-
-const int STATIC_ALLOC_SIZE = 16384;
-
-size_t g_iStaticAllocated = 0;
-void* g_pLastAllocated = nullptr;
-char pStaticAllocBuf[STATIC_ALLOC_SIZE];
-
-// they should never be used here, except in LibraryLoadError // haha not true
-
-void* malloc(size_t n)
-{
- //printf("NorthstarLauncher malloc: %llu\n", n);
- // allocate into static buffer
- if (g_iStaticAllocated + n <= STATIC_ALLOC_SIZE)
- {
- void* ret = pStaticAllocBuf + g_iStaticAllocated;
- g_iStaticAllocated += n;
- g_pLastAllocated = ret;
- return ret;
- }
- else
- {
- // try to fallback to g_pMemAllocSingleton
- if (!hTier0Module || !g_ppMemAllocSingleton) LoadTier0Handle();
- if (g_ppMemAllocSingleton && *g_ppMemAllocSingleton)
- return (*g_ppMemAllocSingleton)->m_vtable->Alloc(*g_ppMemAllocSingleton, n);
- else
- throw "Cannot allocate";
- }
-}
-
-void free(void* p)
-{
- //printf("NorthstarLauncher free: %p\n", p);
- // if it was allocated into the static buffer, just do nothing, safest way to deal with it
- if (p >= pStaticAllocBuf && p <= pStaticAllocBuf + STATIC_ALLOC_SIZE)
- return;
-
- if (g_ppMemAllocSingleton && *g_ppMemAllocSingleton)
- (*g_ppMemAllocSingleton)->m_vtable->Free(*g_ppMemAllocSingleton, p);
-}
-
-void* realloc(void* old_ptr, size_t size) {
- // it was allocated into the static buffer
- if (old_ptr >= pStaticAllocBuf && old_ptr <= pStaticAllocBuf + STATIC_ALLOC_SIZE)
- {
- if (g_pLastAllocated == old_ptr)
- {
- // nothing was allocated after this
- size_t old_size = g_iStaticAllocated - ((size_t)g_pLastAllocated - (size_t)pStaticAllocBuf);
- size_t diff = size - old_size;
- if (diff > 0)
- g_iStaticAllocated += diff;
- return old_ptr;
- }
- else
- {
- return malloc(size);
- }
- }
-
- if (g_ppMemAllocSingleton && *g_ppMemAllocSingleton)
- return (*g_ppMemAllocSingleton)->m_vtable->Realloc(*g_ppMemAllocSingleton, old_ptr, size);
- return nullptr;
-}
-
-void* operator new(size_t n)
-{
- return malloc(n);
-}
-
-void operator delete(void* p)
-{
- free(p);
-}