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refactor windows ffi macro

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This commit is contained in:
llama 2025-11-12 21:16:20 +08:00
parent f037e260c0
commit 2aa9108046
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1 changed files with 14 additions and 16 deletions
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30
qt/launcher/src/platform/windows.rs
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@ -11,7 +11,6 @@ use anyhow::anyhow;
use anyhow::Context;
use anyhow::Result;
use widestring::u16cstr;
use windows::core::PCSTR;
use windows::core::PCWSTR;
use windows::Wdk::System::SystemServices::RtlGetVersion;
use windows::Win32::Foundation::FreeLibrary;
@ -19,7 +18,6 @@ use windows::Win32::Foundation::HMODULE;
use windows::Win32::System::Console::AttachConsole;
use windows::Win32::System::Console::GetConsoleWindow;
use windows::Win32::System::Console::ATTACH_PARENT_PROCESS;
use windows::Win32::System::LibraryLoader::GetProcAddress;
use windows::Win32::System::LibraryLoader::LoadLibraryExW;
use windows::Win32::System::LibraryLoader::LOAD_LIBRARY_FLAGS;
use windows::Win32::System::Registry::RegCloseKey;
@ -285,22 +283,22 @@ impl Drop for PyFfi {
}
}
macro_rules! load_sym {
($lib:expr, $name:expr) => {
std::mem::transmute(
GetProcAddress($lib, PCSTR::from_raw($name.as_ptr().cast()))
.ok_or_else(|| anyhow!("failed to load {}", $name.to_string_lossy()))?,
)
};
}
macro_rules! ffi {
($lib:expr, $exec:expr, $($field:ident),* $(,)?) => {
#[allow(clippy::missing_transmute_annotations)] // they're not missing
PyFfi { exec: $exec, $($field: {
let sym = ::std::ffi::CString::new(stringify!($field)).map_err(|_| anyhow::anyhow!("failed to construct symbol CString"))?;
load_sym!($lib, sym)
},)* lib: $lib.0, }
#[allow(clippy::missing_transmute_annotations)]
$crate::platform::PyFfi {
exec: $exec,
$($field: {
let sym = ::std::ffi::CString::new(stringify!($field)).map_err(|_| ::anyhow::anyhow!("failed to construct sym"))?;
::std::mem::transmute(
::windows::Win32::System::LibraryLoader::GetProcAddress(
$lib,
::windows::core::PCSTR::from_raw(sym.as_ptr().cast()),
)
.ok_or_else(|| anyhow!("failed to load {}", stringify!($field)))?,
)
},)*
lib: $lib.0, }
};
}