tailix/libkernaux
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Rust: implement ntoa::utoa10

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This commit is contained in:
Alex Kotov 2022-02-01 08:02:34 +05:00
parent 7abc9d6d4f
commit 29e0cd73f9
Signed by: kotovalexarian
GPG key ID: 553C0EBBEB5D5F08
2 changed files with 21 additions and 13 deletions
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10
pkgs/rust/kernaux/src/lib.rs
View file

@ -1,3 +1,13 @@
mod ntoa;
pub use ntoa::*;
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_ntoa() {
assert_eq!(utoa10(123), "123");
}
}

24
pkgs/rust/kernaux/src/ntoa.rs
View file

@ -1,22 +1,20 @@
pub use kernaux_sys::{
ITOA10_BUFFER_SIZE, ITOA16_BUFFER_SIZE, ITOA_BUFFER_SIZE,
UTOA10_BUFFER_SIZE, UTOA16_BUFFER_SIZE, UTOA_BUFFER_SIZE,
};
use std::ffi::CStr;
use kernaux_sys::{utoa10 as kernaux_utoa10, UTOA10_BUFFER_SIZE};
pub fn utoa10(value: u64) -> String {
let mut buffer: [i8; UTOA10_BUFFER_SIZE] = [0; UTOA10_BUFFER_SIZE];
unsafe { kernaux_utoa10(value, buffer.as_mut_ptr()) };
let result = unsafe { CStr::from_ptr(buffer.as_ptr()) }.to_str().unwrap();
String::from(result)
}
#[cfg(test)]
mod tests {
use super::*;
use std::ffi::CStr;
use kernaux_sys::utoa10;
#[test]
fn test_utoa10() {
let mut buffer: [i8; UTOA10_BUFFER_SIZE] = [0; UTOA10_BUFFER_SIZE];
unsafe { utoa10(123, buffer.as_mut_ptr()) };
let result =
unsafe { CStr::from_ptr(buffer.as_ptr()) }.to_str().unwrap();
assert_eq!(result, "123");
assert_eq!(utoa10(123), "123");
}
}