diff options
| -rw-r--r-- | libqpdf/Pl_LZWDecoder.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libqpdf/Pl_LZWDecoder.cc b/libqpdf/Pl_LZWDecoder.cc index 25cfdc9a..f4bf3012 100644 --- a/libqpdf/Pl_LZWDecoder.cc +++ b/libqpdf/Pl_LZWDecoder.cc @@ -198,13 +198,13 @@ Pl_LZWDecoder::handleCode(int code) next = getFirstChar(code); } } - unsigned int last_idx = 258 + table_size; - if (last_idx == 4096) + unsigned int new_idx = 258 + table_size; + if (new_idx == 4096) { throw QEXC::General("LZWDecoder: table full"); } addToTable(next); - unsigned int change_idx = last_idx + code_change_delta; + unsigned int change_idx = new_idx + code_change_delta; if ((change_idx == 511) || (change_idx == 1023) || (change_idx == 2047)) |