/rust-utils

Build a sample static library using rust

Primary LanguageRustMIT LicenseMIT

rustutils for C

Reference

https://stackoverflow.com/questions/65229930/is-it-possible-to-call-a-function-from-static-library-that-built-in-rust-using-c

Steps

  • cargo new rustutils --lib

  • Cargo.toml

     [lib]
 crate-type = ["cdylib"]      # dynamic lib
 # crate-type = ["staticlib"] # static lib

  • Add a C API

     #[no_mangle]
 pub extern "C" fn message() {
   println!("Hello C!")
 }

  • Build

     cargo build --release

  • Generate C header file

     cargo install cbindgen
 touch cbindgen.toml
 cbindgen --config cbindgen.toml --crate rustutils  --output rustutils.h --lang c

  • Compile C example

    Move rustutils.h and librustutils.a to examples folder

    cd example
gcc main.c -L. -lrustutils -o main