remove ;1 at the end of file identifiers

Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>

src/fs/iso/iso9660.rs

@@ -73,7 +73,15 @@ pub struct IsoDir {
 impl IsoDir {
     #[allow(unaligned_references)]
     pub fn get_idf(&self) -> &[u8] {
-        unsafe { core::slice::from_raw_parts(self.idf.as_ptr(), self.idf_len as usize) }
+        let mut len: usize = self.idf_len as usize;
+        unsafe { 
+            let mut idf = core::slice::from_raw_parts(self.idf.as_ptr(), len as usize);
+            if len > 2 && idf[len - 2] == b';' && idf[len - 1] == b'1' {
+                len -= 2;
+                idf = core::slice::from_raw_parts(self.idf.as_ptr(), len as usize);
+            }
+            idf
+        }
     }
 
     pub fn next_entry(&self) -> &IsoDir {

src/fs/iso/mod.rs

@@ -42,12 +42,15 @@ impl FileSystem for IsoFS {
             .filter(|p| p != &"");
 
         for path_component in path_it {
+            let mut found = false;
             while curr_entry.idf_len != 0 {
                 serial_println!("{:?}", curr_entry.idf_len);
                 serial_println!("{:?}", alloc::str::from_utf8(curr_entry.get_idf()).unwrap());
 
+                // Found entry
                 if curr_entry.matches(path_component) {
                     serial_println!("Found {}", path_component);
+                    found = true;
                     curr_entry_block = read_block(curr_entry.data_blk.le).await;
                     curr_entry = unserialize(curr_entry_block.as_ptr());
                     break;
@@ -56,6 +59,9 @@ impl FileSystem for IsoFS {
                 // Next entry
                 curr_entry = curr_entry.next_entry();
             }
+            if !found {
+                return None;
+            }
         }
 
         let fd = IsoFD::new();