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various: fix clippy warnings

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- Adds proper documentation comments with `# Errors` sections for all
  functions returning `Result`
- `cast_precision_loss` on `u64` -> `f64` for disk sizes is acceptable
  since disk sizes won't exceed f64's precision limit in practice.
  Thus, we can suppress those.
- `cast_sign_loss` and `cast_possible_truncation` on the percentage
  calculation is safe since percentages are always 0-100. Once again,
  it's safe to suppress.

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Id4dd7ebc9674407d2be4f38ff4de24bc6a6a6964
This commit is contained in:
raf 2025-11-17 18:17:59 +03:00
commit f4f3385ff7
Signed by: NotAShelf
GPG key ID: 29D95B64378DB4BF
3 changed files with 23 additions and 0 deletions
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5
src/release.rs
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@ -21,6 +21,11 @@ pub fn get_system_info(utsname: &UtsName) -> String {
result
}
/// Gets the pretty name of the OS from `/etc/os-release`.
///
/// # Errors
///
/// Returns an error if `/etc/os-release` cannot be read.
#[cfg_attr(feature = "hotpath", hotpath::measure)]
pub fn get_os_pretty_name() -> Result<String, io::Error> {
// We use a stack-allocated buffer here, which seems to perform MUCH better