From 34afc295915ca5fbaac49098a8da8b14677b6e8c Mon Sep 17 00:00:00 2001
From: Dnomd343 <i@343.re>
Date: Sat, 28 Jan 2023 13:53:33 +0800
Subject: [PATCH] feat: dump String from `c_char`

---
 src/rust_ffi/src/main.rs | 41 ++++++++++++++++++++++++++++++++--------
 1 file changed, 33 insertions(+), 8 deletions(-)

diff --git a/src/rust_ffi/src/main.rs b/src/rust_ffi/src/main.rs
index 77899e0..37b9842 100644
--- a/src/rust_ffi/src/main.rs
+++ b/src/rust_ffi/src/main.rs
@@ -4,34 +4,59 @@
 include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
 
 use std::env;
-use std::ffi::CStr;
+use std::ffi::{c_char, CStr};
 
-fn klotski_tmain() {
-    unsafe {
-        tmain();
+pub trait CStringDump {
+    fn dump(&self) -> String;
+}
+
+impl CStringDump for *const c_char {
+    fn dump(&self) -> String {
+        let cstr: &CStr;
+        unsafe {
+            cstr = CStr::from_ptr(*self);
+        }
+        String::from(cstr.to_str().unwrap())
     }
 }
 
+// fn klotski_tmain() {
+//     unsafe {
+//         tmain();
+//     }
+// }
+
+// fn const_char_dump(i: *const c_char) {
+//
+// }
+
 fn klotski_version() -> String {
     unsafe {
         // let v_major = get_version_major();
 
-        let v = get_version();
-        let csp: &CStr = CStr::from_ptr(v);
-        let s: &str = csp.to_str().unwrap();
+        // let v = get_version();
+        // let csp: &CStr = CStr::from_ptr(v);
+        // let s: &str = csp.to_str().unwrap();
         // println!("klotski version -> {}", s);
 
-        String::from(s)
+        String::from(get_version().dump())
         // String::new()
     }
 }
 
+fn klotski_system() -> String {
+    unsafe {
+        String::from(get_system_info().dump())
+    }
+}
+
 fn main() {
     println!("rust start");
 
     // klotski_tmain();
 
     println!("version -> {}", klotski_version());
+    println!("system -> {}", klotski_system());
 
     println!("rust exit");
 }