upgrade application dependencies and refactor

Author: sn99

windows-rust-application/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "rust"
+name = "application"
 version = "0.1.0"
 edition = "2021"
 
@@ -8,7 +8,7 @@ edition = "2021"
 [dependencies]
 
 [dependencies.windows-sys]
-version = "0.45.0"
+version = "0.48.0"
 features = [
     "Win32_Storage_InstallableFileSystems",
     "Win32_Foundation",

windows-rust-application/src/main.rs

@@ -10,34 +10,39 @@ use windows_sys::Win32::Storage::InstallableFileSystems::{
 static mut PORT: HANDLE = -1;
 
 fn main() {
-    println!("Press ctrl-z to ctrl-c to exit...");
-
     let mut byterec = 0;
-    let buffer = "Hello from Rust user application\n\0".as_bytes().as_ptr() as *const c_void;
+    let buffer = "Hello from Rust user space application\n\0"
+        .as_bytes()
+        .as_ptr()
+        .cast::<c_void>();
     let bufferlen = 50;
     let rbuffer_size = 256;
     let mut rbuffer: Vec<u8> = vec![0; rbuffer_size];
-    let recbuffer: *mut c_void = rbuffer.as_mut_ptr() as *mut c_void;
+    let recbuffer: *mut c_void = rbuffer.as_mut_ptr().cast::<c_void>();
 
     unsafe {
         if PORT == -1
             && FilterConnectCommunicationPort(w!("\\mf"), 0, null(), 0, null(), &mut PORT) != 0
         {
-            panic!("port connection failed");
+            panic!("Port connection failed");
         }
     }
 
+    println!("Connection to minifilter was successful!!!");
+
     unsafe {
         if FilterSendMessage(PORT, buffer, bufferlen as u32, recbuffer, 50, &mut byterec) != 0 {
-            println!("failed to get message");
+            println!("Failed to get kernel message");
         } else {
-            let pchar = recbuffer as *mut i8;
+            let pchar = recbuffer.cast::<i8>();
             let string = std::ffi::CStr::from_ptr(pchar)
                 .to_str()
                 .expect("Not a valid String");
-            print!("{}", string);
+            println!("Message from minifilter: {string}");
         }
     }
 
+    println!("\nPress ctrl-z to ctrl-c to exit...\n");
+
     loop {}
 }