From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/lint/lint-temporary-cstring-as-param.stderr | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 tests/ui/lint/lint-temporary-cstring-as-param.stderr (limited to 'tests/ui/lint/lint-temporary-cstring-as-param.stderr') diff --git a/tests/ui/lint/lint-temporary-cstring-as-param.stderr b/tests/ui/lint/lint-temporary-cstring-as-param.stderr new file mode 100644 index 000000000..838b3bc13 --- /dev/null +++ b/tests/ui/lint/lint-temporary-cstring-as-param.stderr @@ -0,0 +1,18 @@ +error: getting the inner pointer of a temporary `CString` + --> $DIR/lint-temporary-cstring-as-param.rs:9:45 + | +LL | some_function(CString::new("").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-param.rs:1:9 + | +LL | #![deny(temporary_cstring_as_ptr)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + -- cgit v1.2.3