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tape: improve catalog parser

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This commit is contained in:
Dietmar Maurer 2021-03-17 11:29:23 +01:00
parent ef4bdf6b8b
commit b627ebbf40
1 changed files with 9 additions and 5 deletions
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14
src/tape/media_catalog.rs
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@ -685,14 +685,18 @@ impl MediaCatalog {
b'S' => {
let entry: SnapshotEntry = unsafe { file.read_le_value()? };
let file_number = entry.file_number;
let store_name_len = entry.store_name_len;
let name_len = entry.name_len;
let store_name_len = entry.store_name_len as usize;
let name_len = entry.name_len as usize;
let uuid = Uuid::from(entry.uuid);
let store = file.read_exact_allocated(store_name_len as usize + 1)?;
let store = std::str::from_utf8(&store[..store_name_len as usize])?;
let store = file.read_exact_allocated(store_name_len + 1)?;
if store[store_name_len] != b':' {
bail!("parse-error: missing separator in SnapshotEntry");
}
let snapshot = file.read_exact_allocated(name_len.into())?;
let store = std::str::from_utf8(&store[..store_name_len])?;
let snapshot = file.read_exact_allocated(name_len)?;
let snapshot = std::str::from_utf8(&snapshot)?;
self.check_register_snapshot(file_number, snapshot)?;