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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:32 +0000
commit4547b622d8d29df964fa2914213088b148c498fc (patch)
tree9fc6b25f3c3add6b745be9a2400a6e96140046e9 /src/tools/clippy/tests/ui/from_raw_with_void_ptr.rs
parentReleasing progress-linux version 1.66.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-4547b622d8d29df964fa2914213088b148c498fc.tar.xz
rustc-4547b622d8d29df964fa2914213088b148c498fc.zip
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/from_raw_with_void_ptr.rs')
-rw-r--r--src/tools/clippy/tests/ui/from_raw_with_void_ptr.rs34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/from_raw_with_void_ptr.rs b/src/tools/clippy/tests/ui/from_raw_with_void_ptr.rs
new file mode 100644
index 000000000..8484da241
--- /dev/null
+++ b/src/tools/clippy/tests/ui/from_raw_with_void_ptr.rs
@@ -0,0 +1,34 @@
+#![warn(clippy::from_raw_with_void_ptr)]
+
+use std::ffi::c_void;
+use std::rc::Rc;
+use std::sync::Arc;
+
+fn main() {
+ // must lint
+ let ptr = Box::into_raw(Box::new(42usize)) as *mut c_void;
+ let _ = unsafe { Box::from_raw(ptr) };
+
+ // shouldn't be linted
+ let _ = unsafe { Box::from_raw(ptr as *mut usize) };
+
+ // shouldn't be linted
+ let should_not_lint_ptr = Box::into_raw(Box::new(12u8)) as *mut u8;
+ let _ = unsafe { Box::from_raw(should_not_lint_ptr as *mut u8) };
+
+ // must lint
+ let ptr = Rc::into_raw(Rc::new(42usize)) as *mut c_void;
+ let _ = unsafe { Rc::from_raw(ptr) };
+
+ // must lint
+ let ptr = Arc::into_raw(Arc::new(42usize)) as *mut c_void;
+ let _ = unsafe { Arc::from_raw(ptr) };
+
+ // must lint
+ let ptr = std::rc::Weak::into_raw(Rc::downgrade(&Rc::new(42usize))) as *mut c_void;
+ let _ = unsafe { std::rc::Weak::from_raw(ptr) };
+
+ // must lint
+ let ptr = std::sync::Weak::into_raw(Arc::downgrade(&Arc::new(42usize))) as *mut c_void;
+ let _ = unsafe { std::sync::Weak::from_raw(ptr) };
+}