<?xml version="1.0"?>

<relnotes schema="1.0.0" name="Zip Compression Library" purpose="" type="component">

  <purpose>

    Symbian OS port of the zlib compression library (ZLIB, DEFLATE, GZIP) for ZIP compression and decompression.

  </purpose>

  <defect number="DEF139847" title="[Coverity]:SYMBIAN.CLEANUP_STACK,RESOURCE_LEAK,CHECKED_RETURN " revision="022">

    Added appropriate comments for the corresponding coverity checker

  </defect>

  <defect number="DEF139746" title="CEZGZipToFile::InflateL() crashes at second attempt to unzip a gzip file" revision="021">

    Reverted the code done to make gzip handle multi-member gzip file as part of defect fix DEF128714

  </defect>

  <defect number="DEF138753" title="ZipTestManual crashes" revision="020">

    Rectified the incorrect usage of RFile API causing the crash

  </defect>

  <defect number="DEF138752" title="ZipTest crashing in tb92sf" revision="019">

    Rectified the incorrect usage of RFile API

  </defect>

   <defect number="DEF128714" title="CEZGZipToFile fails to inflate first member of multi-member gzip files" revision="018">

    Implemented logic to handle inflation of first member of multi-member gzip file.

  </defect>

  <defect number="PDEF125759" title="EZLib test ZIPs distribute unlicensed PGP PDF file" revision="017">

    Removed unnecessary zip package files

  </defect>

  <defect number="DEF119023" title="McAfee virus scan reports (Non-Critical) errors: Hello_Reset.gz" revision="016">

    Removed Hello_Reset.gz and Hello_Reset.txt as they were not used by any tests.

  </defect>

  <defect number="DEF118876" title="CEZCompressor inline comment" revision="015">

    Inline comments for EFiltered and EHuffmanOnly have been swapped as they were the wrong way round.

  </defect>

  <deliverystep number="692" name="System Libraries: OE: Add zlib library" osproject="sphinx" revision="014">

    <milestone project="GT0334" number="3.11"/>

    <preq number="1583" title="OE: Add zlib library">

      Integrate OE version of ZLib (NOT their final version!). Branched from DV3 changelist number 992843. 

      Ezlib code added to Ezlib2, changelist number 1006866. 

      Changed comments in zipfile.cpp i.e. removed extra word (sufficient). 

      Changed return type LOCAL_C to static in zipfile.cpp as LOCAL_C is deprecated. 

      Fixed leave scan errors and warnings

    </preq>

  </deliverystep>

  <defect number="DEF112672" title="Panic ZLIB 11 - when installing the sisx file." revision="013">

    The EZlib component modified to leave with KErrCorrupt if the file is corrupted (instead of panic).

  </defect>

  <defect number="PDEF111660" title="Fix Lint warning 424 in Syslibs components" revision="012">

    FileBuffer modified to use "delete[]" to match "new[]".

  </defect>

  <defect number="PDEF110555" title="ZIPTEST Failing when run on its own" revision="011">

    Included required CP850 resource into ezlibtest.iby for ZIPTEST.

  </defect>

  <minorchange revision="010">

    Upgraded interface access and status tags for identifiers used by partners.

  </minorchange>

  <defect number="DEF106839" title="[System Build]: GT compilation errors in M04229 v9.4, M04230 vFuture,v9.5" revision="009">

    Reverted changes associated with BR2108 (renaming of RZipFileMemberReaderStream) - class is now back to its original name

  </defect>

  <defect number="DEF105995" title="inflateInit2 is not checked for errors in RZipFileMemberReaderStream constructor" revision="008">

    Changed RZipFileMemberReaderStream to use 2 phase construction, which will Leave if there is an OOM error during initialisation. Renamed RZipFileMemberReaderStream to CZipFileMemberReaderStream as it was incorrectly named as a R class.

  </defect>

  <deliverystep number="639" name="Improve performance of PNG ImageDecoder plug-in - EZlib optimisation" osproject="Naiad" revision="007">

    <milestone project="" number="3.11"/>

    <cr number="0984" title="Improve performance of PNG ImageDecoder plug-in">

    Implemantation of CR0984 which requires EZlib decompression library to be compiled with the options for the best performance. This change does not affect any interfaces or behaviors and is a pure binary optimisation.

  </cr>

  </deliverystep>

  <defect number="PDEF105900" title="RZipFileMemberReaderStream::Read returns incorrect error code under OOM" revision="006">

    Modified Ezlib code to return error code.

  </defect>

  <defect number="DEF103850" title="Ezlib TOOLS2 target should be libzlib.a" revision="005">

    Correcting the zlib tools2 target to be libzlib.a and not zlib.lib.

  </defect>

  <deliverystep number="559" name="Porting of tools to TOOLS2" osproject="Oghma" revision="004">

    <milestone project="GT0329" number="3.12"/>

    <preq number="1182" title="GNU Make-based build system">

    Updating the EZLIB tool (zlib.lib) to build under the TOOLS2 platform.

  </preq>

  </deliverystep>

  <deliverystep number="557" name="Filename policy changes" osproject="Oghma" revision="003">

    <milestone project="GT0329" number="3.11"/>

    <preq number="1182" title="GNU Make-based build system">

    Updating the component source files to comply with the Symbian filename policy.

  </preq>

  </deliverystep>

  <minorchange revision="002">

    Symbian OS v9.3 component branched from common codeline

  </minorchange>

  <minorchange revision="001">

    Removing unused DEF files

  </minorchange>

</relnotes>