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authorPaolo Bonzini <pbonzini@redhat.com>2024-10-25 08:23:53 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2024-11-05 14:18:16 +0100
commit718e255f0a97cf43939ae2e90ba4673ae9a8bd2f (patch)
treeab5d09e3b4cb9cae3e44fed6a8f77458f354c6c5 /rust/hw/char/pl011/src/device_class.rs
parent9f7d4520d679364f7ca95b7ddb899ff084e7d7c6 (diff)
downloadfocaccia-qemu-718e255f0a97cf43939ae2e90ba4673ae9a8bd2f.tar.gz
focaccia-qemu-718e255f0a97cf43939ae2e90ba4673ae9a8bd2f.zip
rust: introduce a c_str macro
This allows CStr constants to be defined easily on Rust 1.63.0, while
checking that there are no embedded NULs.  c"" literals were only
stabilized in Rust 1.77.0.

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'rust/hw/char/pl011/src/device_class.rs')
-rw-r--r--rust/hw/char/pl011/src/device_class.rs18
1 files changed, 8 insertions, 10 deletions
diff --git a/rust/hw/char/pl011/src/device_class.rs b/rust/hw/char/pl011/src/device_class.rs
index 6a554ad792..a707fde138 100644
--- a/rust/hw/char/pl011/src/device_class.rs
+++ b/rust/hw/char/pl011/src/device_class.rs
@@ -2,14 +2,12 @@
 // Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-use core::{
-    ffi::{c_int, c_void},
-    ptr::NonNull,
-};
+use core::ptr::NonNull;
+use std::os::raw::{c_int, c_void};
 
 use qemu_api::{
-    bindings::*, vmstate_clock, vmstate_fields, vmstate_int32, vmstate_subsections, vmstate_uint32,
-    vmstate_uint32_array, vmstate_unused, zeroable::Zeroable,
+    bindings::*, c_str, vmstate_clock, vmstate_fields, vmstate_int32, vmstate_subsections,
+    vmstate_uint32, vmstate_uint32_array, vmstate_unused, zeroable::Zeroable,
 };
 
 use crate::device::{PL011State, PL011_FIFO_DEPTH};
@@ -24,7 +22,7 @@ extern "C" fn pl011_clock_needed(opaque: *mut c_void) -> bool {
 
 /// Migration subsection for [`PL011State`] clock.
 pub static VMSTATE_PL011_CLOCK: VMStateDescription = VMStateDescription {
-    name: c"pl011/clock".as_ptr(),
+    name: c_str!("pl011/clock").as_ptr(),
     version_id: 1,
     minimum_version_id: 1,
     needed: Some(pl011_clock_needed),
@@ -48,7 +46,7 @@ extern "C" fn pl011_post_load(opaque: *mut c_void, version_id: c_int) -> c_int {
 }
 
 pub static VMSTATE_PL011: VMStateDescription = VMStateDescription {
-    name: c"pl011".as_ptr(),
+    name: c_str!("pl011").as_ptr(),
     version_id: 2,
     minimum_version_id: 2,
     post_load: Some(pl011_post_load),
@@ -79,14 +77,14 @@ pub static VMSTATE_PL011: VMStateDescription = VMStateDescription {
 qemu_api::declare_properties! {
     PL011_PROPERTIES,
     qemu_api::define_property!(
-        c"chardev",
+        c_str!("chardev"),
         PL011State,
         char_backend,
         unsafe { &qdev_prop_chr },
         CharBackend
     ),
     qemu_api::define_property!(
-        c"migrate-clk",
+        c_str!("migrate-clk"),
         PL011State,
         migrate_clock,
         unsafe { &qdev_prop_bool },