6 releases
0.3.1 | Jun 12, 2023 |
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0.3.0 | Jun 12, 2023 |
0.2.2 | Dec 10, 2021 |
0.2.1 | Oct 28, 2021 |
#1899 in Procedural macros
7,364 downloads per month
Used in 26 crates
(2 directly)
8KB
173 lines
::byte-strings
Rust zero-cost byte strings manipulation, for a better and safer FFI
Example
Featuring the c_str!
macro to create valid C string literals with
literally no runtime cost!
#[macro_use]
extern crate byte_strings;
/// Some lib
mod safe {
use ::std::{
ffi::CStr,
os::raw::{c_char, c_int},
};
/// private unsafe C FFI
mod ffi {
use super::*;
extern "C" {
pub
fn puts (_: *const c_char)
-> c_int
;
}
}
/// lib API: safe Rust wrapper => uses `CStr`
pub
fn puts (message: &'_ CStr)
-> i32
{
unsafe {
ffi::puts(message.as_ptr()) as i32
}
}
}
fn main ()
{
safe::puts(c!("Hello, World!"));
}
lib.rs
:
Crate not intended for direct use. Use https:://docs.rs/byte-strings instead.
Dependencies
~220–660KB
~16K SLoC