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rust: do not use --generate-cstr

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--generate-cstr is a good idea and generally the right thing to do,
but it is not available in Debian 12 and Ubuntu 22.04.  Work around
the absence.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-10-25 09:20:16 +02:00
parent 4fe146926f
commit ce4a144cf8
4 changed files with 16 additions and 3 deletions
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10
rust/qemu-api/src/device_class.rs
View file

@ -2,6 +2,10 @@
// Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
// SPDX-License-Identifier: GPL-2.0-or-later
use std::ffi::CStr;
use crate::bindings;
#[macro_export]
macro_rules! device_class_init {
($func:ident, props => $props:ident, realize_fn => $realize_fn:expr, legacy_reset_fn => $legacy_reset_fn:expr, vmsd => $vmsd:ident$(,)*) => {
@ -62,3 +66,9 @@ macro_rules! declare_properties {
];
};
}
// workaround until we can use --generate-cstr in bindgen.
pub const TYPE_DEVICE: &CStr =
unsafe { CStr::from_bytes_with_nul_unchecked(bindings::TYPE_DEVICE) };
pub const TYPE_SYS_BUS_DEVICE: &CStr =
unsafe { CStr::from_bytes_with_nul_unchecked(bindings::TYPE_SYS_BUS_DEVICE) };

4
rust/qemu-api/tests/tests.rs
View file

@ -8,7 +8,7 @@ use qemu_api::{
bindings::*,
c_str, declare_properties, define_property,
definitions::{Class, ObjectImpl},
device_class_init,
device_class, device_class_init,
zeroable::Zeroable,
};
@ -57,7 +57,7 @@ fn test_device_decl_macros() {
type Class = DummyClass;
const TYPE_INFO: qemu_api::bindings::TypeInfo = qemu_api::type_info! { Self };
const TYPE_NAME: &'static CStr = c_str!("dummy");
const PARENT_TYPE_NAME: Option<&'static CStr> = Some(TYPE_DEVICE);
const PARENT_TYPE_NAME: Option<&'static CStr> = Some(device_class::TYPE_DEVICE);
const ABSTRACT: bool = false;
const INSTANCE_INIT: Option<unsafe extern "C" fn(obj: *mut Object)> = None;
const INSTANCE_POST_INIT: Option<unsafe extern "C" fn(obj: *mut Object)> = None;