Name update

crates/http-api/src/iso_fs.rs

@@ -31,7 +31,9 @@ pub fn lookup(iso_path: &Path, in_iso_path: &str) -> Option<FileLocation> {
         .split('/')
         .filter(|c| !c.is_empty())
         .collect();
-    if components.is_empty() { return None; }
+    if components.is_empty() {
+        return None;
+    }
     walk(&mut f, root.offset, root.length, &components)
 }
 
@@ -40,11 +42,16 @@ fn read_root_directory(f: &mut std::fs::File) -> Option<FileLocation> {
     let mut pvd = [0u8; 2048];
     f.seek(SeekFrom::Start(16 * SECTOR)).ok()?;
     f.read_exact(&mut pvd).ok()?;
-    if pvd[0] != 0x01 || &pvd[1..6] != b"CD001" { return None; }
+    if pvd[0] != 0x01 || &pvd[1..6] != b"CD001" {
+        return None;
+    }
     // Root directory record is at offset 156, length 34.
     let rec = &pvd[156..156 + 34];
     let (offset, length) = parse_dir_record_ext(rec)?;
-    Some(FileLocation { offset: offset * SECTOR, length })
+    Some(FileLocation {
+        offset: offset * SECTOR,
+        length,
+    })
 }
 
 /// Walk components down the directory tree starting at `dir_offset`.
@@ -66,21 +73,29 @@ fn walk(
         if len == 0 {
             // Padding to sector boundary.
             let next = (i / SECTOR as usize + 1) * SECTOR as usize;
-            if next <= i { break; }
+            if next <= i {
+                break;
+            }
             i = next;
             continue;
         }
-        if i + len > dir.len() { break; }
+        if i + len > dir.len() {
+            break;
+        }
         let rec = &dir[i..i + len];
         let name = dir_record_name(rec);
         let is_dir = (rec.get(25).copied().unwrap_or(0) & 0x02) != 0;
         // Skip "." (0x00) and ".." (0x01) pseudo-entries.
-        let is_pseudo = matches!(rec.get(32).copied(), Some(1)) && rec.get(33).copied() == Some(0x00)
+        let is_pseudo = matches!(rec.get(32).copied(), Some(1))
+            && rec.get(33).copied() == Some(0x00)
             || matches!(rec.get(32).copied(), Some(1)) && rec.get(33).copied() == Some(0x01);
         if !is_pseudo && name.eq_ignore_ascii_case(target) {
             let (child_off, child_len) = parse_dir_record_ext(rec)?;
             if rest.is_empty() && !is_dir {
-                return Some(FileLocation { offset: child_off * SECTOR, length: child_len });
+                return Some(FileLocation {
+                    offset: child_off * SECTOR,
+                    length: child_len,
+                });
             } else if !rest.is_empty() && is_dir {
                 return walk(f, child_off * SECTOR, child_len, rest);
             }
@@ -94,7 +109,9 @@ fn walk(
 /// Layout per ISO9660: bytes 2..10 extent LBA (LE+BE duplicate), 10..18
 /// data length (LE+BE duplicate). We trust the little-endian copy.
 fn parse_dir_record_ext(rec: &[u8]) -> Option<(u64, u64)> {
-    if rec.len() < 34 { return None; }
+    if rec.len() < 34 {
+        return None;
+    }
     let lba = u32::from_le_bytes(rec[2..6].try_into().ok()?) as u64;
     let len = u32::from_le_bytes(rec[10..14].try_into().ok()?) as u64;
     Some((lba, len))
@@ -104,9 +121,15 @@ fn parse_dir_record_ext(rec: &[u8]) -> Option<(u64, u64)> {
 /// `;1` version suffix.
 fn dir_record_name(rec: &[u8]) -> String {
     let name_len = *rec.get(32).unwrap_or(&0) as usize;
-    if name_len == 0 || rec.len() < 33 + name_len { return String::new(); }
+    if name_len == 0 || rec.len() < 33 + name_len {
+        return String::new();
+    }
     let raw = &rec[33..33 + name_len];
     let s = String::from_utf8_lossy(raw).to_string();
     // Strip `;N` version suffix.
-    if let Some(i) = s.rfind(';') { s[..i].to_string() } else { s }
+    if let Some(i) = s.rfind(';') {
+        s[..i].to_string()
+    } else {
+        s
+    }
 }