Krys4lide/crates/sesam-vitale/src/libssv.rs

/// libssv.rs
///
/// Low level bindings to the SSVLIB dynamic library.
// TODO : look for creating a dedicated *-sys crate : https://kornel.ski/rust-sys-crate
use libc::{c_char, c_ushort, c_void, size_t};
use thiserror::Error;

#[derive(Debug, Error)]
pub enum LibSSVError {
    #[error("SSV library error in {function}: {code}")]
    StandardErrorCode { code: u16, function: &'static str },
}

#[cfg_attr(target_os = "linux", link(name = "ssvlux64"))]
#[cfg_attr(target_os = "windows", link(name = "ssvw64"))]
extern "C" {
    pub fn SSV_InitLIB2(pcRepSesamIni: *const c_char) -> c_ushort;
    pub fn SSV_LireCartePS(
        NomRessourcePS: *const c_char,
        NomRessourceLecteur: *const c_char,
        CodePorteurPS: *const c_char,
        ZDonneesSortie: *mut *mut c_void,
        TTailleDonneesSortie: *mut size_t,
    ) -> c_ushort;
    pub fn SSV_LireConfig(
        ZDonneesSortie: *mut *mut c_void,
        TTailleDonneesSortie: *mut size_t,
    ) -> c_ushort;
}
// TODO : replace void* by Rust struct : https://doc.rust-lang.org/nomicon/ffi.html#representing-opaque-structs