Mercurial > hg4j
diff src/org/tmatesoft/hg/internal/DataAccess.java @ 399:fdc1db8f7f61 smartgit3
Issue 25: Underflow in InflaterDataAccess; test and fix for hang up when reading past end of compressed data (or zero-length data)
| author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
|---|---|
| date | Sat, 25 Feb 2012 19:31:57 +0100 |
| parents | 5e95b0da26f2 |
| children | 528b6780a8bd |
line wrap: on
line diff
--- a/src/org/tmatesoft/hg/internal/DataAccess.java Thu Feb 23 15:31:57 2012 +0100 +++ b/src/org/tmatesoft/hg/internal/DataAccess.java Sat Feb 25 19:31:57 2012 +0100 @@ -32,6 +32,7 @@ public boolean isEmpty() { return true; } + // TODO throws IOException (few subclasses have non-trivial length() operation) public int length() { return 0; } @@ -68,6 +69,10 @@ readBytes(b, 0, 4); return b[0] << 24 | (b[1] & 0xFF) << 16 | (b[2] & 0xFF) << 8 | (b[3] & 0xFF); } + + /** + * Read 8 bytes as long value, big-endian. + */ public long readLong() throws IOException { byte[] b = new byte[8]; readBytes(b, 0, 8);