fix: 统一 Win32 FFI 签名，消除 clashing-extern-declarations 警告

Applesaber · Applesaber · commit 2a2b8cda64b6 · 2026-05-19T06:41:32.000+08:00
diff --git a/src/d3d9/fps_osd.rs b/src/d3d9/fps_osd.rs
@@ -2,6 +2,13 @@ use std::ffi::c_void;
 use std::ptr;
 use std::sync::atomic::{AtomicU32, Ordering};
 
+use crate::hooks::autoplay::{
+    BeginPaint, CreateFontA, CreateSolidBrush, CreateWindowExA, DefWindowProcA, DeleteObject,
+    DrawTextW, EndPaint, FillRect, GetClientRect, GetModuleHandleA, InvalidateRect, RegisterClassA,
+    SelectObject, SetBkMode, SetLayeredWindowAttributes, SetTextColor, ShowWindow,
+};
+use crate::hooks::autoplay::{PaintStruct, Rect, WndClassA};
+
 const WS_POPUP: u32 = 0x80000000;
 const WS_EX_TOPMOST: u32 = 0x00000008;
 const WS_EX_LAYERED: u32 = 0x00080000;
@@ -21,39 +28,6 @@ const OSD_WIDTH: i32 = 140;
 const OSD_HEIGHT: i32 = 30;
 const OSD_MARGIN: i32 = 12;
 
-#[repr(C)]
-struct WndClassA {
-    style: u32,
-    wnd_proc: unsafe extern "system" fn(usize, u32, usize, isize) -> isize,
-    cls_extra: i32,
-    wnd_extra: i32,
-    instance: usize,
-    icon: usize,
-    cursor: usize,
-    background: usize,
-    menu_name: *const u8,
-    class_name: *const u8,
-}
-
-#[repr(C)]
-struct PaintStruct {
-    hdc: *mut c_void,
-    erase: i32,
-    rc_paint: Rect,
-    restore: i32,
-    inc_update: i32,
-    reserved: [u8; 32],
-}
-
-#[repr(C)]
-#[derive(Clone, Copy)]
-struct Rect {
-    left: i32,
-    top: i32,
-    right: i32,
-    bottom: i32,
-}
-
 static mut OSD_HWND: usize = 0;
 static mut INITIALIZED: bool = false;
 static FRAME_COUNT: AtomicU32 = AtomicU32::new(0);
@@ -126,7 +100,6 @@ unsafe extern "system" fn osd_wndproc(hwnd: usize, msg: u32, wp: usize, lp: isiz
         let mut rect: Rect = std::mem::zeroed();
         GetClientRect(hwnd, &mut rect);
 
-        // BGR: R=62 G=62 B=66 → 0x423E3E
         let bg_brush = CreateSolidBrush(0x00423E3E);
         FillRect(hdc, &rect, bg_brush);
         DeleteObject(bg_brush);
@@ -158,39 +131,4 @@ unsafe extern "system" fn osd_wndproc(hwnd: usize, msg: u32, wp: usize, lp: isiz
 extern "system" {
     fn QueryPerformanceCounter(count: *mut i64) -> i32;
     fn QueryPerformanceFrequency(freq: *mut i64) -> i32;
-    fn GetModuleHandleA(name: *const u8) -> usize;
-}
-
-#[link(name = "user32")]
-extern "system" {
-    fn RegisterClassA(wc: *const WndClassA) -> u16;
-    fn CreateWindowExA(
-        ex_style: u32, class: *const u8, name: *const u8, style: u32,
-        x: i32, y: i32, w: i32, h: i32,
-        parent: usize, menu: usize, instance: usize, param: *const u8,
-    ) -> usize;
-    fn ShowWindow(hwnd: usize, cmd: i32) -> i32;
-    fn SetLayeredWindowAttributes(hwnd: usize, key: u32, alpha: u8, flags: u32) -> i32;
-    fn DefWindowProcA(hwnd: usize, msg: u32, wp: usize, lp: isize) -> isize;
-    fn BeginPaint(hwnd: usize, ps: *mut PaintStruct) -> *mut c_void;
-    fn EndPaint(hwnd: usize, ps: *const PaintStruct) -> i32;
-    fn GetClientRect(hwnd: usize, rect: *mut Rect) -> i32;
-    fn InvalidateRect(hwnd: usize, rect: *const c_void, erase: i32) -> i32;
-}
-
-#[link(name = "gdi32")]
-extern "system" {
-    fn CreateSolidBrush(color: u32) -> *mut c_void;
-    fn CreateFontA(
-        h: i32, w: i32, esc: i32, orient: i32, weight: i32,
-        italic: u32, underline: u32, strikeout: u32, charset: u32,
-        out_prec: u32, clip_prec: u32, quality: u32, pitch: u32,
-        face: *const u8,
-    ) -> *mut c_void;
-    fn SelectObject(hdc: *mut c_void, obj: *mut c_void) -> *mut c_void;
-    fn DeleteObject(obj: *mut c_void) -> i32;
-    fn SetBkMode(hdc: *mut c_void, mode: i32) -> i32;
-    fn SetTextColor(hdc: *mut c_void, color: u32) -> u32;
-    fn FillRect(hdc: *mut c_void, rect: *const Rect, brush: *mut c_void) -> i32;
-    fn DrawTextW(hdc: *mut c_void, text: *const u16, count: i32, rect: *mut Rect, format: u32) -> i32;
 }
diff --git a/src/d3d9/mod.rs b/src/d3d9/mod.rs
@@ -46,17 +46,21 @@ fn init_d3d9_proxy(api: &Api, config: &Config) {
 
 unsafe fn get_proxy_api() -> Option<*const D3D9ProxyAPI> {
     let d3d9 = GetModuleHandleA(b"d3d9.dll\0".as_ptr());
-    if d3d9.is_null() {
+    if d3d9 == 0 {
         return None;
     }
     let proc = GetProcAddress(d3d9, b"d3d9proxy_get_api\0".as_ptr());
-    let get_api: GetAPIFn = std::mem::transmute(proc?);
+    if proc.is_null() {
+        return None;
+    }
+    let proc = proc as *const ();
+    let get_api: GetAPIFn = std::mem::transmute(proc);
     let api = get_api();
     (!api.is_null()).then_some(api)
 }
 
 #[link(name = "kernel32")]
 extern "system" {
-    fn GetModuleHandleA(name: *const u8) -> *mut c_void;
-    fn GetProcAddress(module: *mut c_void, name: *const u8) -> Option<unsafe extern "system" fn() -> isize>;
+    fn GetModuleHandleA(name: *const u8) -> usize;
+    fn GetProcAddress(module: usize, name: *const u8) -> *const c_void;
 }
diff --git a/src/hooks/autoplay.rs b/src/hooks/autoplay.rs
@@ -19,22 +19,22 @@ static mut ORIG_JUDGE: usize = 0;
 
 #[link(name = "kernel32")]
 extern "system" {
-    fn CreateThread(
+    pub fn CreateThread(
         attrs: *const c_void,
         stack_size: usize,
         start: Option<unsafe extern "system" fn(*mut c_void) -> u32>,
         param: *const c_void,
         flags: u32,
         id: *mut u32,
     ) -> usize;
-    fn Sleep(ms: u32);
-    fn GetModuleHandleA(module_name: *const u8) -> usize;
+    pub fn Sleep(ms: u32);
+    pub fn GetModuleHandleA(module_name: *const u8) -> usize;
 }
 
 #[link(name = "user32")]
 extern "system" {
-    fn GetAsyncKeyState(vkey: i32) -> i16;
-    fn CreateWindowExA(
+    pub fn GetAsyncKeyState(vkey: i32) -> i16;
+    pub fn CreateWindowExA(
         ex_style: u32,
         class_name: *const u8,
         window_name: *const u8,
@@ -48,28 +48,28 @@ extern "system" {
         instance: usize,
         param: *const c_void,
     ) -> usize;
-    fn RegisterClassA(wc: *const WndClassA) -> u16;
-    fn DefWindowProcA(hwnd: usize, msg: u32, wp: usize, lp: isize) -> isize;
-    fn ShowWindow(hwnd: usize, cmd: i32) -> i32;
-    fn SetLayeredWindowAttributes(hwnd: usize, cr_key: u32, alpha: u8, flags: u32) -> i32;
-    fn BeginPaint(hwnd: usize, ps: *mut PaintStruct) -> usize;
-    fn EndPaint(hwnd: usize, ps: *const PaintStruct) -> i32;
-    fn GetClientRect(hwnd: usize, rect: *mut Rect) -> i32;
-    fn InvalidateRect(hwnd: usize, rect: *const Rect, erase: i32) -> i32;
-    fn FillRect(hdc: usize, rect: *const Rect, brush: usize) -> i32;
-    fn DrawTextW(hdc: usize, text: *const u16, count: i32, rect: *mut Rect, format: u32) -> i32;
-    fn GetSystemMetrics(index: i32) -> i32;
-    fn SetWindowPos(hwnd: usize, insert_after: usize, x: i32, y: i32, cx: i32, cy: i32, flags: u32) -> i32;
-    fn PeekMessageA(msg: *mut Msg, hwnd: usize, min: u32, max: u32, remove: u32) -> i32;
-    fn TranslateMessage(msg: *const Msg) -> i32;
-    fn DispatchMessageA(msg: *const Msg) -> isize;
+    pub fn RegisterClassA(wc: *const WndClassA) -> u16;
+    pub fn DefWindowProcA(hwnd: usize, msg: u32, wp: usize, lp: isize) -> isize;
+    pub fn ShowWindow(hwnd: usize, cmd: i32) -> i32;
+    pub fn SetLayeredWindowAttributes(hwnd: usize, cr_key: u32, alpha: u8, flags: u32) -> i32;
+    pub fn BeginPaint(hwnd: usize, ps: *mut PaintStruct) -> usize;
+    pub fn EndPaint(hwnd: usize, ps: *const PaintStruct) -> i32;
+    pub fn GetClientRect(hwnd: usize, rect: *mut Rect) -> i32;
+    pub fn InvalidateRect(hwnd: usize, rect: *const Rect, erase: i32) -> i32;
+    pub fn FillRect(hdc: usize, rect: *const Rect, brush: usize) -> i32;
+    pub fn DrawTextW(hdc: usize, text: *const u16, count: i32, rect: *mut Rect, format: u32) -> i32;
+    pub fn GetSystemMetrics(index: i32) -> i32;
+    pub fn SetWindowPos(hwnd: usize, insert_after: usize, x: i32, y: i32, cx: i32, cy: i32, flags: u32) -> i32;
+    pub fn PeekMessageA(msg: *mut Msg, hwnd: usize, min: u32, max: u32, remove: u32) -> i32;
+    pub fn TranslateMessage(msg: *const Msg) -> i32;
+    pub fn DispatchMessageA(msg: *const Msg) -> isize;
 }
 
 #[link(name = "gdi32")]
 extern "system" {
-    fn SetBkMode(hdc: usize, mode: i32) -> i32;
-    fn SetTextColor(hdc: usize, color: u32) -> u32;
-    fn CreateFontA(
+    pub fn SetBkMode(hdc: usize, mode: i32) -> i32;
+    pub fn SetTextColor(hdc: usize, color: u32) -> u32;
+    pub fn CreateFontA(
         h: i32,
         w: i32,
         esc: i32,
@@ -85,57 +85,57 @@ extern "system" {
         pitch: u32,
         face: *const u8,
     ) -> usize;
-    fn SelectObject(hdc: usize, obj: usize) -> usize;
-    fn DeleteObject(obj: usize) -> i32;
-    fn CreateSolidBrush(color: u32) -> usize;
+    pub fn SelectObject(hdc: usize, obj: usize) -> usize;
+    pub fn DeleteObject(obj: usize) -> i32;
+    pub fn CreateSolidBrush(color: u32) -> usize;
 }
 
 const DT_CENTER: u32 = 0x01;
 const DT_VCENTER: u32 = 0x04;
 const DT_SINGLELINE: u32 = 0x20;
 
 #[repr(C)]
-struct WndClassA {
-    style: u32,
-    wnd_proc: unsafe extern "system" fn(usize, u32, usize, isize) -> isize,
-    cls_extra: i32,
-    wnd_extra: i32,
-    instance: usize,
-    icon: usize,
-    cursor: usize,
-    background: usize,
-    menu_name: *const u8,
-    class_name: *const u8,
+pub struct WndClassA {
+    pub style: u32,
+    pub wnd_proc: unsafe extern "system" fn(usize, u32, usize, isize) -> isize,
+    pub cls_extra: i32,
+    pub wnd_extra: i32,
+    pub instance: usize,
+    pub icon: usize,
+    pub cursor: usize,
+    pub background: usize,
+    pub menu_name: *const u8,
+    pub class_name: *const u8,
 }
 
 #[repr(C)]
-struct PaintStruct {
-    hdc: usize,
-    erase: i32,
-    rc_paint: Rect,
-    restore: i32,
-    inc_update: i32,
-    rgb_reserved: [u8; 32],
+pub struct PaintStruct {
+    pub hdc: usize,
+    pub erase: i32,
+    pub rc_paint: Rect,
+    pub restore: i32,
+    pub inc_update: i32,
+    pub rgb_reserved: [u8; 32],
 }
 
 #[repr(C)]
 #[derive(Clone, Copy)]
-struct Rect {
-    left: i32,
-    top: i32,
-    right: i32,
-    bottom: i32,
+pub struct Rect {
+    pub left: i32,
+    pub top: i32,
+    pub right: i32,
+    pub bottom: i32,
 }
 
 #[repr(C)]
-struct Msg {
-    hwnd: usize,
-    message: u32,
-    wparam: usize,
-    lparam: isize,
-    time: u32,
-    pt_x: i32,
-    pt_y: i32,
+pub struct Msg {
+    pub hwnd: usize,
+    pub message: u32,
+    pub wparam: usize,
+    pub lparam: isize,
+    pub time: u32,
+    pub pt_x: i32,
+    pub pt_y: i32,
 }
 
 const WM_PAINT: u32 = 0x000F;
