From 3e3e70d529d8c7d7c4d7bc4fefc9f109393b9245 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:43 +0200 Subject: Merging upstream version 1.69.0+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/suggest-null-ptr.fixed | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 tests/ui/suggest-null-ptr.fixed (limited to 'tests/ui/suggest-null-ptr.fixed') diff --git a/tests/ui/suggest-null-ptr.fixed b/tests/ui/suggest-null-ptr.fixed new file mode 100644 index 000000000..40f900c7d --- /dev/null +++ b/tests/ui/suggest-null-ptr.fixed @@ -0,0 +1,31 @@ +// run-rustfix + +// Suggest providing a std::ptr::null{,_mut}() to a function that takes in a raw +// pointer if a literal 0 was provided by the user. + +extern "C" { + fn foo(ptr: *const u8); + + fn foo_mut(ptr: *mut u8); + + fn usize(ptr: *const usize); + + fn usize_mut(ptr: *mut usize); +} + +fn main() { + unsafe { + foo(std::ptr::null()); + //~^ mismatched types [E0308] + //~| if you meant to create a null pointer, use `std::ptr::null()` + foo_mut(std::ptr::null_mut()); + //~^ mismatched types [E0308] + //~| if you meant to create a null pointer, use `std::ptr::null_mut()` + usize(std::ptr::null()); + //~^ mismatched types [E0308] + //~| if you meant to create a null pointer, use `std::ptr::null()` + usize_mut(std::ptr::null_mut()); + //~^ mismatched types [E0308] + //~| if you meant to create a null pointer, use `std::ptr::null_mut()` + } +} -- cgit v1.2.3