Re: [PATCH 1/7] rust: file: add Rust abstraction for `struct file`

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On 11/30/23 15:59, Greg Kroah-Hartman wrote:
> On Thu, Nov 30, 2023 at 02:53:35PM +0000, Benno Lossin wrote:
>> On 11/29/23 13:51, Alice Ryhl wrote:
>>> +/// Flags associated with a [`File`].
>>> +pub mod flags {
>>> +    /// File is opened in append mode.
>>> +    pub const O_APPEND: u32 = bindings::O_APPEND;
>>
>> Why do all of these constants begin with `O_`?
> 
> Because that is how they are defined in the kernel in the C code.  Why
> would they not be the same here?

Then why does the C side name them that way? Is it because `O_*` is
supposed to mean something, or is it done due to namespacing?

In Rust we have namespacing, so we generally drop common prefixes.

-- 
Cheers,
Benno





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