# c2rs
This is a macro that converts the `struct` of the `c` language into a `rust struct`
[![Crates.io][crates-badge]][crates-url]
[![MIT licensed][mit-badge]][mit-url]
[crates-badge]: https://img.shields.io/crates/v/c2rs.svg
[crates-url]: https://crates.io/crates/c2rs
[mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
[mit-url]: https://github.com/editso/c2rs/blob/master/LICENSE
# use
```
// Cargo.toml
[dependencies]
c2rs = "0.1.2"
```
# Example
```
fn test(){
use c2rs::c2rs_def;
type DWORD = u32;
const SIZE: usize = 10;
c2rs_def!(
struct A{
DWORD var1;
DWORD var2;
union {
DWORD var4;
DWORD var5;
}var3;
struct {
u8 var7;
}var6;
DWORD array[SIZE];
};
struct B{
u8 var1;
};
// ....
);
let mut buffer = [1u8; 1024];
unsafe{
let mut buf = A::from_mut_bytes(buffer.as_mut_ptr());
let buf = buf.as_mut().unwrap();
buf.var1 = 10;
assert_eq!(10, buf.var1);
assert_eq!(10, buffer[0]);
let mut b = B::from_mut_bytes(buffer.as_mut_ptr()).as_mut().unwrap();
assert_eq!(10, b.var1);
}
}
```