https://github.com/editso/c2rs

将C结构体转换为Rust结构体
https://github.com/editso/c2rs

Last synced: 5 days ago
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将C结构体转换为Rust结构体

• Host: GitHub
• URL: https://github.com/editso/c2rs
• Owner: editso
• License: mit
• Created: 2021-12-23T05:26:45.000Z (almost 3 years ago)
• Default Branch: master
• Last Pushed: 2021-12-28T07:01:41.000Z (almost 3 years ago)
• Last Synced: 2024-04-24T08:29:24.880Z (5 months ago)
• Language: Rust
• Size: 9.77 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# 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);

    

    }

}

```