Avoid transmute where possible (#3421)

Author: kennykerr

crates/libs/bindgen/src/types/cpp_method.rs

@@ -682,14 +682,14 @@ impl CppMethod {
                             quote! { #name.param().abi(), }
                         }
                         ParamHint::Optional => {
-                            quote! { core::mem::transmute(#name.unwrap_or(core::mem::zeroed())), }
+                            quote! { #name.unwrap_or(core::mem::zeroed()) as _, }
                         }
                         ParamHint::Bool => {
                             quote! { #name.into(), }
                         }
                         ParamHint::ValueType => {
                             if flags.contains(ParamAttributes::Out) {
-                                quote! { core::mem::transmute(#name), }
+                                quote! { #name as _, }
                             } else {
                                 quote! { #name, }
                             }

crates/libs/windows/src/Windows/Wdk/Devices/HumanInterfaceDevice/mod.rs

@@ -6,7 +6,7 @@ pub unsafe fn VhfAsyncOperationComplete(vhfoperationhandle: *const core::ffi::c_
 #[inline]
 pub unsafe fn VhfCreate(vhfconfig: *const VHF_CONFIG, vhfhandle: *mut *mut core::ffi::c_void) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("vhfum.dll" "system" fn VhfCreate(vhfconfig : *const VHF_CONFIG, vhfhandle : *mut *mut core::ffi::c_void) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { VhfCreate(vhfconfig, core::mem::transmute(vhfhandle)) }
+    unsafe { VhfCreate(vhfconfig, vhfhandle as _) }
 }
 #[inline]
 pub unsafe fn VhfDelete(vhfhandle: *const core::ffi::c_void, wait: bool) {

crates/libs/windows/src/Windows/Wdk/Foundation/mod.rs

@@ -6,7 +6,7 @@ pub unsafe fn NtClose(handle: super::super::Win32::Foundation::HANDLE) -> super:
 #[inline]
 pub unsafe fn NtQueryObject(handle: Option<super::super::Win32::Foundation::HANDLE>, objectinformationclass: OBJECT_INFORMATION_CLASS, objectinformation: Option<*mut core::ffi::c_void>, objectinformationlength: u32, returnlength: Option<*mut u32>) -> super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn NtQueryObject(handle : super::super::Win32::Foundation:: HANDLE, objectinformationclass : OBJECT_INFORMATION_CLASS, objectinformation : *mut core::ffi::c_void, objectinformationlength : u32, returnlength : *mut u32) -> super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { NtQueryObject(core::mem::transmute(handle.unwrap_or(core::mem::zeroed())), objectinformationclass, core::mem::transmute(objectinformation.unwrap_or(core::mem::zeroed())), objectinformationlength, core::mem::transmute(returnlength.unwrap_or(core::mem::zeroed()))) }
+    unsafe { NtQueryObject(handle.unwrap_or(core::mem::zeroed()) as _, objectinformationclass, objectinformation.unwrap_or(core::mem::zeroed()) as _, objectinformationlength, returnlength.unwrap_or(core::mem::zeroed()) as _) }
 }
 #[repr(C)]
 #[cfg(all(feature = "Wdk_System_SystemServices", feature = "Win32_Security"))]

crates/libs/windows/src/Windows/Wdk/Graphics/Direct3D/mod.rs

@@ -2,5 +2,5 @@
 #[inline]
 pub unsafe fn NtDeviceIoControlFile(filehandle: super::super::super::Win32::Foundation::HANDLE, event: Option<super::super::super::Win32::Foundation::HANDLE>, apcroutine: Option<super::super::super::Win32::System::IO::PIO_APC_ROUTINE>, apccontext: Option<*const core::ffi::c_void>, iostatusblock: *mut super::super::super::Win32::System::IO::IO_STATUS_BLOCK, iocontrolcode: u32, inputbuffer: Option<*const core::ffi::c_void>, inputbufferlength: u32, outputbuffer: Option<*mut core::ffi::c_void>, outputbufferlength: u32) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn NtDeviceIoControlFile(filehandle : super::super::super::Win32::Foundation:: HANDLE, event : super::super::super::Win32::Foundation:: HANDLE, apcroutine : super::super::super::Win32::System::IO:: PIO_APC_ROUTINE, apccontext : *const core::ffi::c_void, iostatusblock : *mut super::super::super::Win32::System::IO:: IO_STATUS_BLOCK, iocontrolcode : u32, inputbuffer : *const core::ffi::c_void, inputbufferlength : u32, outputbuffer : *mut core::ffi::c_void, outputbufferlength : u32) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { NtDeviceIoControlFile(filehandle, core::mem::transmute(event.unwrap_or(core::mem::zeroed())), core::mem::transmute(apcroutine.unwrap_or(core::mem::zeroed())), core::mem::transmute(apccontext.unwrap_or(core::mem::zeroed())), core::mem::transmute(iostatusblock), iocontrolcode, core::mem::transmute(inputbuffer.unwrap_or(core::mem::zeroed())), inputbufferlength, core::mem::transmute(outputbuffer.unwrap_or(core::mem::zeroed())), outputbufferlength) }
+    unsafe { NtDeviceIoControlFile(filehandle, event.unwrap_or(core::mem::zeroed()) as _, apcroutine.unwrap_or(core::mem::zeroed()) as _, apccontext.unwrap_or(core::mem::zeroed()) as _, iostatusblock as _, iocontrolcode, inputbuffer.unwrap_or(core::mem::zeroed()) as _, inputbufferlength, outputbuffer.unwrap_or(core::mem::zeroed()) as _, outputbufferlength) }
 }

crates/libs/windows/src/Windows/Wdk/NetworkManagement/Ndis/mod.rs

@@ -1,34 +1,34 @@
 #[inline]
 pub unsafe fn NtMapViewOfSection(sectionhandle: super::super::super::Win32::Foundation::HANDLE, processhandle: super::super::super::Win32::Foundation::HANDLE, baseaddress: *mut *mut core::ffi::c_void, zerobits: usize, commitsize: usize, sectionoffset: Option<*mut i64>, viewsize: *mut usize, inheritdisposition: SECTION_INHERIT, allocationtype: u32, win32protect: u32) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn NtMapViewOfSection(sectionhandle : super::super::super::Win32::Foundation:: HANDLE, processhandle : super::super::super::Win32::Foundation:: HANDLE, baseaddress : *mut *mut core::ffi::c_void, zerobits : usize, commitsize : usize, sectionoffset : *mut i64, viewsize : *mut usize, inheritdisposition : SECTION_INHERIT, allocationtype : u32, win32protect : u32) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { NtMapViewOfSection(sectionhandle, processhandle, core::mem::transmute(baseaddress), zerobits, commitsize, core::mem::transmute(sectionoffset.unwrap_or(core::mem::zeroed())), core::mem::transmute(viewsize), inheritdisposition, allocationtype, win32protect) }
+    unsafe { NtMapViewOfSection(sectionhandle, processhandle, baseaddress as _, zerobits, commitsize, sectionoffset.unwrap_or(core::mem::zeroed()) as _, viewsize as _, inheritdisposition, allocationtype, win32protect) }
 }
 #[cfg(all(feature = "Wdk_Foundation", feature = "Win32_Security"))]
 #[inline]
 pub unsafe fn NtOpenSection(sectionhandle: *mut super::super::super::Win32::Foundation::HANDLE, desiredaccess: u32, objectattributes: *const super::super::Foundation::OBJECT_ATTRIBUTES) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn NtOpenSection(sectionhandle : *mut super::super::super::Win32::Foundation:: HANDLE, desiredaccess : u32, objectattributes : *const super::super::Foundation:: OBJECT_ATTRIBUTES) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { NtOpenSection(core::mem::transmute(sectionhandle), desiredaccess, objectattributes) }
+    unsafe { NtOpenSection(sectionhandle as _, desiredaccess, objectattributes) }
 }
 #[inline]
 pub unsafe fn NtUnmapViewOfSection(processhandle: super::super::super::Win32::Foundation::HANDLE, baseaddress: Option<*const core::ffi::c_void>) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn NtUnmapViewOfSection(processhandle : super::super::super::Win32::Foundation:: HANDLE, baseaddress : *const core::ffi::c_void) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { NtUnmapViewOfSection(processhandle, core::mem::transmute(baseaddress.unwrap_or(core::mem::zeroed()))) }
+    unsafe { NtUnmapViewOfSection(processhandle, baseaddress.unwrap_or(core::mem::zeroed()) as _) }
 }
 #[inline]
 pub unsafe fn ZwMapViewOfSection(sectionhandle: super::super::super::Win32::Foundation::HANDLE, processhandle: super::super::super::Win32::Foundation::HANDLE, baseaddress: *mut *mut core::ffi::c_void, zerobits: usize, commitsize: usize, sectionoffset: Option<*mut i64>, viewsize: *mut usize, inheritdisposition: SECTION_INHERIT, allocationtype: u32, win32protect: u32) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn ZwMapViewOfSection(sectionhandle : super::super::super::Win32::Foundation:: HANDLE, processhandle : super::super::super::Win32::Foundation:: HANDLE, baseaddress : *mut *mut core::ffi::c_void, zerobits : usize, commitsize : usize, sectionoffset : *mut i64, viewsize : *mut usize, inheritdisposition : SECTION_INHERIT, allocationtype : u32, win32protect : u32) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { ZwMapViewOfSection(sectionhandle, processhandle, core::mem::transmute(baseaddress), zerobits, commitsize, core::mem::transmute(sectionoffset.unwrap_or(core::mem::zeroed())), core::mem::transmute(viewsize), inheritdisposition, allocationtype, win32protect) }
+    unsafe { ZwMapViewOfSection(sectionhandle, processhandle, baseaddress as _, zerobits, commitsize, sectionoffset.unwrap_or(core::mem::zeroed()) as _, viewsize as _, inheritdisposition, allocationtype, win32protect) }
 }
 #[cfg(all(feature = "Wdk_Foundation", feature = "Win32_Security"))]
 #[inline]
 pub unsafe fn ZwOpenSection(sectionhandle: *mut super::super::super::Win32::Foundation::HANDLE, desiredaccess: u32, objectattributes: *const super::super::Foundation::OBJECT_ATTRIBUTES) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn ZwOpenSection(sectionhandle : *mut super::super::super::Win32::Foundation:: HANDLE, desiredaccess : u32, objectattributes : *const super::super::Foundation:: OBJECT_ATTRIBUTES) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { ZwOpenSection(core::mem::transmute(sectionhandle), desiredaccess, objectattributes) }
+    unsafe { ZwOpenSection(sectionhandle as _, desiredaccess, objectattributes) }
 }
 #[inline]
 pub unsafe fn ZwUnmapViewOfSection(processhandle: super::super::super::Win32::Foundation::HANDLE, baseaddress: Option<*const core::ffi::c_void>) -> super::super::super::Win32::Foundation::NTSTATUS {
     windows_targets::link!("ntdll.dll" "system" fn ZwUnmapViewOfSection(processhandle : super::super::super::Win32::Foundation:: HANDLE, baseaddress : *const core::ffi::c_void) -> super::super::super::Win32::Foundation:: NTSTATUS);
-    unsafe { ZwUnmapViewOfSection(processhandle, core::mem::transmute(baseaddress.unwrap_or(core::mem::zeroed()))) }
+    unsafe { ZwUnmapViewOfSection(processhandle, baseaddress.unwrap_or(core::mem::zeroed()) as _) }
 }
 #[repr(transparent)]
 #[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]