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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/strlen_on_c_strings.fixed | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/strlen_on_c_strings.fixed b/src/tools/clippy/tests/ui/strlen_on_c_strings.fixed new file mode 100644 index 000000000..947a59bcc --- /dev/null +++ b/src/tools/clippy/tests/ui/strlen_on_c_strings.fixed @@ -0,0 +1,34 @@ +// run-rustfix + +#![warn(clippy::strlen_on_c_strings)] +#![allow(dead_code)] +#![feature(rustc_private)] +extern crate libc; + +#[allow(unused)] +use libc::strlen; +use std::ffi::{CStr, CString}; + +fn main() { + // CString + let cstring = CString::new("foo").expect("CString::new failed"); + let _ = cstring.as_bytes().len(); + + // CStr + let cstr = CStr::from_bytes_with_nul(b"foo\0").expect("CStr::from_bytes_with_nul failed"); + let _ = cstr.to_bytes().len(); + + let _ = cstr.to_bytes().len(); + + let pcstr: *const &CStr = &cstr; + let _ = unsafe { (*pcstr).to_bytes().len() }; + + unsafe fn unsafe_identity<T>(x: T) -> T { + x + } + let _ = unsafe { unsafe_identity(cstr).to_bytes().len() }; + let _ = unsafe { unsafe_identity(cstr) }.to_bytes().len(); + + let f: unsafe fn(_) -> _ = unsafe_identity; + let _ = unsafe { f(cstr).to_bytes().len() }; +} |