an efficient binary archive format
streaming io for vacuum
+4
-4
+4
-4
src/bindle.rs
+4
-4
src/bindle.rs
···
210
210
211
211
// Copy only live entries from original to temp
212
212
for entry in self.index.values_mut() {
213
-
let mut buf = vec![0u8; entry.compressed_size() as usize];
214
213
self.file.seek(SeekFrom::Start(entry.offset()))?;
215
-
self.file.read_exact(&mut buf)?;
216
-
217
214
temp_file.seek(SeekFrom::Start(current_offset))?;
218
-
temp_file.write_all(&buf)?;
215
+
216
+
// Stream data without allocating full buffer
217
+
let mut limited = (&mut self.file).take(entry.compressed_size());
218
+
io::copy(&mut limited, &mut temp_file)?;
219
219
220
220
entry.set_offset(current_offset);
221
221
let pad = pad::<8, u64>(entry.compressed_size());