diff options
Diffstat (limited to 'libqpdf/Pl_Flate.cc')
| -rw-r--r-- | libqpdf/Pl_Flate.cc | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/libqpdf/Pl_Flate.cc b/libqpdf/Pl_Flate.cc index 297cdac7..535383c9 100644 --- a/libqpdf/Pl_Flate.cc +++ b/libqpdf/Pl_Flate.cc @@ -157,28 +157,36 @@ Pl_Flate::handleData(unsigned char* data, int len, int flush) void Pl_Flate::finish() { - if (this->outbuf) + try { - if (this->initialized) - { - z_stream& zstream = *(static_cast<z_stream*>(this->zdata)); - unsigned char buf[1]; - buf[0] = '\0'; - handleData(buf, 0, Z_FINISH); - int err = Z_OK; - if (action == a_deflate) - { - err = deflateEnd(&zstream); - } - else - { - err = inflateEnd(&zstream); - } - checkError("End", err); - } - - delete [] this->outbuf; - this->outbuf = 0; + if (this->outbuf) + { + if (this->initialized) + { + z_stream& zstream = *(static_cast<z_stream*>(this->zdata)); + unsigned char buf[1]; + buf[0] = '\0'; + handleData(buf, 0, Z_FINISH); + int err = Z_OK; + if (action == a_deflate) + { + err = deflateEnd(&zstream); + } + else + { + err = inflateEnd(&zstream); + } + checkError("End", err); + } + + delete [] this->outbuf; + this->outbuf = 0; + } + } + catch (std::exception& e) + { + this->getNext()->finish(); + throw e; } this->getNext()->finish(); } |