Remove the windows dependency

Cargo.toml

@@ -17,15 +17,6 @@ include = ["src/**/*.rs", "README.md", "LICENSE.Apache-2.0", "LICENSE.MIT"]
 [dependencies]
 thiserror = "1.0"
 
-[dependencies.windows]
-version = "0.54.0"
-features = [
-    "Win32_Foundation",
-    "Win32_Security",
-    "Win32_System_Threading",
-    "Win32_System_WindowsProgramming",
-]
-
 [package.metadata.docs.rs]
 default-target = "x86_64-pc-windows-msvc"
 targets = ["x86_64-pc-windows-msvc"]

src/binding.rs

@@ -0,0 +1,135 @@
+#![allow(clippy::upper_case_acronyms, non_snake_case, non_camel_case_types)]
+
+use std::{ffi::c_void, mem::size_of, ptr::null_mut};
+
+// https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitforsingleobject#parameters
+pub(crate) const INFINITE: u32 = 0xFFFFFFFF;
+// https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitforsingleobject#return-value
+pub(crate) const WAIT_OBJECT_0: u32 = 0x00000000;
+// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-getexitcodeprocess#remarks
+pub(crate) const STATUS_PENDING: u32 = 0x00000103;
+
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#BOOL
+pub(crate) type BOOL = i32;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#DWORD
+pub(crate) type DWORD = u32;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#PCWSTR
+pub(crate) type PCWSTR = *const u16;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#PDWORD
+pub(crate) type PDWORD = *mut u32;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#PVOID
+type PVOID = *mut c_void;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#PWSTR
+pub(crate) type PWSTR = *mut u16;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#UINT
+pub(crate) type UINT = u32;
+
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#HANDLE
+type HANDLE = *mut c_void;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#PBYTE
+type PBYTE = *mut u8;
+// https://learn.microsoft.com/en-us/windows/win32/winprog/windows-data-types#WORD
+type WORD = u16;
+
+// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-process_information
+#[repr(C)]
+#[derive(Debug)]
+pub(crate) struct PROCESS_INFORMATION {
+    pub hProcess: HANDLE,
+    pub hThread: HANDLE,
+    pub dwProcessId: DWORD,
+    dwThreadId: DWORD,
+}
+
+impl Default for PROCESS_INFORMATION {
+    fn default() -> Self {
+        Self {
+            hProcess: null_mut(),
+            hThread: null_mut(),
+            dwProcessId: 0,
+            dwThreadId: 0,
+        }
+    }
+}
+
+// https://learn.microsoft.com/en-us/windows/win32/api/wtypesbase/ns-wtypesbase-security_attributes
+#[repr(C)]
+pub(crate) struct SECURITY_ATTRIBUTES {
+    nLength: DWORD,
+    lpSecurityDescriptor: PVOID,
+    bInheritHandle: BOOL,
+}
+
+// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-startupinfow
+#[repr(C)]
+pub(crate) struct STARTUPINFOW {
+    pub cb: DWORD,
+    lpReserved: PWSTR,
+    lpDesktop: PWSTR,
+    lpTitle: PWSTR,
+    dwX: DWORD,
+    dwY: DWORD,
+    dwXSize: DWORD,
+    dwYSize: DWORD,
+    dwXCountChars: DWORD,
+    dwYCountChars: DWORD,
+    dwFillAttribute: DWORD,
+    dwFlags: DWORD,
+    wShowWindow: WORD,
+    cbReserved2: WORD,
+    lpReserved2: PBYTE,
+    hStdInput: HANDLE,
+    hStdOutput: HANDLE,
+    hStdError: HANDLE,
+}
+
+impl Default for STARTUPINFOW {
+    fn default() -> Self {
+        Self {
+            cb: size_of::<STARTUPINFOW>() as DWORD,
+            lpReserved: null_mut(),
+            lpDesktop: null_mut(),
+            lpTitle: null_mut(),
+            dwX: 0,
+            dwY: 0,
+            dwXSize: 0,
+            dwYSize: 0,
+            dwXCountChars: 0,
+            dwYCountChars: 0,
+            dwFillAttribute: 0,
+            dwFlags: 0,
+            wShowWindow: 0,
+            cbReserved2: 0,
+            lpReserved2: null_mut(),
+            hStdInput: null_mut(),
+            hStdOutput: null_mut(),
+            hStdError: null_mut(),
+        }
+    }
+}
+
+extern "system" {
+    // https://learn.microsoft.com/en-us/windows/win32/api/handleapi/nf-handleapi-closehandle
+    pub(crate) fn CloseHandle(hObject: HANDLE) -> BOOL;
+    // https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-createprocessw
+    pub(crate) fn CreateProcessW(
+        lpApplicationName: PCWSTR,
+        lpCommandLine: PWSTR,
+        lpProcessAttributes: *mut SECURITY_ATTRIBUTES,
+        lpThreadAttributes: *mut SECURITY_ATTRIBUTES,
+        bInheritHandles: BOOL,
+        dwCreationFlags: DWORD,
+        lpEnvironment: PVOID,
+        lpCurrentDirectory: PCWSTR,
+        lpStartupInfo: *const STARTUPINFOW,
+        lpProcessInformation: *mut PROCESS_INFORMATION,
+    ) -> BOOL;
+    // https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-getexitcodeprocess
+    pub(crate) fn GetExitCodeProcess(hProcess: HANDLE, lpExitCode: PDWORD) -> BOOL;
+    // https://learn.microsoft.com/en-us/windows/win32/api/errhandlingapi/nf-errhandlingapi-getlasterror
+    pub(crate) fn GetLastError() -> DWORD;
+    // https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-terminateprocess
+    pub(crate) fn TerminateProcess(hProcess: HANDLE, uExitCode: UINT) -> BOOL;
+    // https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitforsingleobject
+    pub(crate) fn WaitForSingleObject(hHandle: HANDLE, dwMilliseconds: DWORD) -> DWORD;
+}