Repository: commons-compress Updated Branches: refs/heads/COMPRESS-453 [created] e899bcd1a
add a bunch of printf debugging for COMPRESS-453 Project: http://git-wip-us.apache.org/repos/asf/commons-compress/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-compress/commit/e899bcd1 Tree: http://git-wip-us.apache.org/repos/asf/commons-compress/tree/e899bcd1 Diff: http://git-wip-us.apache.org/repos/asf/commons-compress/diff/e899bcd1 Branch: refs/heads/COMPRESS-453 Commit: e899bcd1aaa0f9c34510afbfce21ea5cdecef29a Parents: 6c52485 Author: Stefan Bodewig <bode...@apache.org> Authored: Wed May 23 15:24:16 2018 +0200 Committer: Stefan Bodewig <bode...@apache.org> Committed: Wed May 23 15:24:16 2018 +0200 ---------------------------------------------------------------------- .../compressors/bzip2/BZip2CompressorInputStream.java | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-compress/blob/e899bcd1/src/main/java/org/apache/commons/compress/compressors/bzip2/BZip2CompressorInputStream.java ---------------------------------------------------------------------- diff --git a/src/main/java/org/apache/commons/compress/compressors/bzip2/BZip2CompressorInputStream.java b/src/main/java/org/apache/commons/compress/compressors/bzip2/BZip2CompressorInputStream.java index 97f6982..ba9cf17 100644 --- a/src/main/java/org/apache/commons/compress/compressors/bzip2/BZip2CompressorInputStream.java +++ b/src/main/java/org/apache/commons/compress/compressors/bzip2/BZip2CompressorInputStream.java @@ -575,6 +575,7 @@ public class BZip2CompressorInputStream extends CompressorInputStream } private void getAndMoveToFrontDecode() throws IOException { + System.err.println("In getAndMoveToFrontDecode"); final BitInputStream bin = this.bin; this.origPtr = bsR(bin, 24); recvDecodingTables(); @@ -605,6 +606,7 @@ public class BZip2CompressorInputStream extends CompressorInputStream int groupPos = G_SIZE - 1; final int eob = this.nInUse + 1; int nextSym = getAndMoveToFrontDecode0(); + System.err.println("Initial nextSym: " + nextSym); int lastShadow = -1; int zt = selector[groupNo] & 0xff; checkBounds(zt, N_GROUPS, "zt"); @@ -649,6 +651,7 @@ public class BZip2CompressorInputStream extends CompressorInputStream final int tmp = zvec - base_zt[zn]; checkBounds(tmp, MAX_ALPHA_SIZE, "zvec"); nextSym = perm_zt[tmp]; + System.err.println("nextSym in RLE loop: " + nextSym); } final int yy0 = yy[0]; @@ -656,16 +659,18 @@ public class BZip2CompressorInputStream extends CompressorInputStream final byte ch = seqToUnseq[yy0]; unzftab[ch & 0xff] += s + 1; + System.err.println("s: " + s); while (s-- >= 0) { ll8[++lastShadow] = ch; } if (lastShadow >= limitLast) { - throw new IOException("block overrun"); + throw new IOException("block overrun while expanding RLE in MTF, " + + lastShadow + " exceeds " + limitLast); } } else { if (++lastShadow >= limitLast) { - throw new IOException("block overrun"); + throw new IOException("block overrun, " + lastShadow + " exceeds " + limitLast); } checkBounds(nextSym, 256 + 1, "nextSym"); @@ -712,6 +717,7 @@ public class BZip2CompressorInputStream extends CompressorInputStream final int idx = zvec - base_zt[zn]; checkBounds(idx, MAX_ALPHA_SIZE, "zvec"); nextSym = perm_zt[idx]; + System.err.println("New nextSym: " + nextSym); } }
