From 2737ccab3d6d82fc9eb3e8585ea528740928a768 Mon Sep 17 00:00:00 2001
From: flysand7 <thebumboni@gmail.com>
Date: Sun, 30 Jun 2024 12:35:42 +1100
Subject: [PATCH] [core/windows]: Bind tlhelp.h functions from kernel32.dll

---
 core/sys/windows/tlhelp.odin | 101 +++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 core/sys/windows/tlhelp.odin

diff --git a/core/sys/windows/tlhelp.odin b/core/sys/windows/tlhelp.odin
new file mode 100644
index 000000000..259b3de55
--- /dev/null
+++ b/core/sys/windows/tlhelp.odin
@@ -0,0 +1,101 @@
+//+build windows
+package sys_windows
+
+foreign import kernel32 "system:Kernel32.lib"
+
+@(default_calling_convention="system")
+foreign kernel32 {
+	CreateToolhelp32Snapshot :: proc (dwFlags: DWORD, th32ProcessID: DWORD) -> HANDLE ---
+	Process32FirstW :: proc (hSnapshot: HANDLE, lppe: LPPROCESSENTRY32W) -> BOOL ---
+	Process32NextW :: proc (hSnapshot: HANDLE, lppe: LPPROCESSENTRY32W) -> BOOL ---
+	Thread32First :: proc (hSnapshot: HANDLE, lpte: LPTHREADENTRY32) -> BOOL ---
+	Thread32Next :: proc (hSnapshot: HANDLE, lpte: LPTHREADENTRY32) -> BOOL ---
+	Module32FirstW :: proc (hSnapshot: HANDLE, lpme: LPMODULEENTRY32W) -> BOOL ---
+	Module32NextW :: proc (hSnapshot: HANDLE, lpme: LPMODULEENTRY32W) -> BOOL ---
+	Heap32ListFirst :: proc (hSnapshot: HANDLE, lphl: LPHEAPLIST32) -> BOOL ---
+	Heap32ListNext :: proc (hSnapshot: HANDLE, lphl: LPHEAPLIST32) -> BOOL ---
+	Heap32First :: proc (lphe: LPHEAPENTRY32, th32ProcessID: DWORD, th32HeapID: ULONG_PTR) -> BOOL ---
+	Heap32Next :: proc (lphe: LPHEAPENTRY32) -> BOOL ---
+	Toolhelp32ReadProcessMemory :: proc (
+		th32ProcessID: DWORD,
+		lpBaseAddress: LPCVOID,
+		lpBuffer: LPVOID,
+		cbRead: SIZE_T,
+		lpNumberOfBytesRead: ^SIZE_T,
+	) -> BOOL ---
+}
+
+MAX_MODULE_NAME32 :: 255
+
+TH32CS_INHERIT      :: 0x80000000
+TH32CS_SNAPHEAPLIST :: 0x00000001
+TH32CS_SNAPPROCESS  :: 0x00000001
+TH32CS_SNAPTHREAD   :: 0x00000004
+TH32CS_SNAPMODULE   :: 0x00000008
+TH32CS_SNAPMODULE32 :: 0x00000010
+TH32CS_SNAPALL :: TH32CS_SNAPHEAPLIST | TH32CS_SNAPPROCESS | TH32CS_SNAPTHREAD | TH32CS_SNAPMODULE
+
+PROCESSENTRY32W :: struct {
+	dwSize: DWORD,
+	cntUsage: DWORD,
+	th32ProcessID: DWORD,
+	th32DefaultHeapID: ULONG_PTR,
+	th32ModuleID: DWORD,
+	cntThreads: DWORD,
+	th32ParentProcessID: DWORD,
+	pcPriClassBase: LONG,
+	dwFlags: DWORD,
+	szExeFile: [MAX_PATH]WCHAR,
+}
+
+LPPROCESSENTRY32W :: ^PROCESSENTRY32W
+
+THREADENTRY32 :: struct {
+	dwSize: DWORD,
+	cntUsage: DWORD,
+	th32ThreadID: DWORD,
+	th32OwnerProcessID: DWORD,
+	tpBasePri: LONG,
+	tpDeltaPri: LONG,
+	dwFlags: DWORD,
+}
+
+LPTHREADENTRY32 :: ^THREADENTRY32
+
+MODULEENTRY32W :: struct {
+	dwSize: DWORD,
+	th32ModuleID: DWORD,
+	th32ProcessID: DWORD,
+	GlblcntUsage: DWORD,
+	ProccntUsage: DWORD,
+	modBaseAddr: BYTE,
+	modBaseSize: DWORD,
+	hModule: HMODULE,
+	szModule: [MAX_MODULE_NAME32 + 1]WCHAR,
+	szExePath: [MAX_PATH]WCHAR,
+}
+
+LPMODULEENTRY32W :: ^MODULEENTRY32W
+
+HEAPLIST32 :: struct {
+	dwSize: SIZE_T,
+	th32ProcessID: DWORD,
+	th32HeapID: ULONG_PTR,
+	dwFlags: DWORD,
+}
+
+LPHEAPLIST32 :: ^HEAPLIST32
+
+HEAPENTRY32 :: struct {
+	dwSize: SIZE_T,
+	hHandle: HANDLE,
+	dwAddress: ULONG_PTR,
+	dwBlockSize: SIZE_T,
+	dwFlags: DWORD,
+	dwLockCount: DWORD,
+	dwResvd: DWORD,
+	th32ProcessID: DWORD,
+	th32HeapID: ULONG_PTR,
+}
+
+LPHEAPENTRY32 :: ^HEAPENTRY32