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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/lint/lint-temporary-cstring-as-ptr.stderr
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lint/lint-temporary-cstring-as-ptr.stderr')
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diff --git a/tests/ui/lint/lint-temporary-cstring-as-ptr.stderr b/tests/ui/lint/lint-temporary-cstring-as-ptr.stderr
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+error: getting the inner pointer of a temporary `CString`
+ --> $DIR/lint-temporary-cstring-as-ptr.rs:7:48
+ |
+LL | let s = CString::new("some text").unwrap().as_ptr();
+ | ---------------------------------- ^^^^^^ this pointer will be invalid
+ | |
+ | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
+ |
+ = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
+ = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
+note: the lint level is defined here
+ --> $DIR/lint-temporary-cstring-as-ptr.rs:2:9
+ |
+LL | #![deny(temporary_cstring_as_ptr)]
+ | ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+