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fix: make sesam-vitale build works even when having a lib.rs file

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This commit is contained in:
Florian Briand
2024-07-27 16:04:05 +02:00
parent 9fc3fef350
commit 358a279f5c
5 changed files with 55 additions and 26 deletions
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3
crates/sesam-vitale/build.rs
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@ -8,7 +8,7 @@ fn main() {
let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let manifest_path = PathBuf::from(manifest_dir);
dotenv::from_path(manifest_path.join(".env.build")).ok();
println!("cargo::rerun-if-env-changed=SESAM_FSV_LIB_PATH");
println!("cargo::rerun-if-env-changed=SESAM_FSV_SSVLIB");
println!("cargo::rerun-if-changed=.env.build");
@ -32,4 +32,5 @@ fn main() {
// Link the SESAM_FSV_SSVLIB dynamic library
println!("cargo::rustc-link-lib=dylib={}", env::var("SESAM_FSV_SSVLIB").unwrap());
// TODO : try `raw-dylib` instead of `dylib` on Windows to avoid the need of the `lib` headers compiled from the `def`
}

17
crates/sesam-vitale/src/libssv.rs Normal file
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@ -0,0 +1,17 @@
/**
* 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_void, c_ushort, size_t };
#[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 */

1
crates/sesam-vitale/src/main.rs
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@ -1,4 +1,5 @@
mod ssvlib_demo;
mod libssv;
fn main() {
ssvlib_demo::demo();

22
crates/sesam-vitale/src/ssvlib_demo.rs
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@ -1,18 +1,24 @@
/**
* High level API for the SSV library,
* based on the low level bindings in libssv.rs.
*
*/
extern crate libc;
extern crate dotenv;
use libc::{ c_char, c_void, c_ushort, size_t };
use libc::{ c_void, size_t };
use std::ffi::CString;
use std::path::PathBuf;
use std::ptr;
use std::env;
extern "C" {
fn SSV_InitLIB2(pcRepSesamIni: *const c_char) -> c_ushort;
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;
fn SSV_LireConfig(ZDonneesSortie: *mut *mut c_void, TTailleDonneesSortie: *mut size_t) -> c_ushort;
}
use crate::libssv:: {
SSV_InitLIB2,
SSV_LireCartePS,
SSV_LireConfig
};
fn ssv_init_lib_2() {
let ini_str = env::var("SESAM_INI_PATH").expect("SESAM_INI_PATH must be set");
@ -72,6 +78,10 @@ fn ssv_lire_config() {
}
pub fn demo() {
/*
* TODO : this is probably not working on release, because I'm not sure it exists a CARGO_MANIFEST_DIR and so it can find the `.env`
* Maybe we could use a system standard config path to store a config file
*/
let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let manifest_path = PathBuf::from(manifest_dir);
dotenv::from_path(manifest_path.join(".env")).ok();