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FPSpreadsheet: Replace fpsZipper by the unit submitted to bug tracker.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8912 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2023-08-05 10:58:53 +00:00
parent 1c81982561
commit e1291123ef
1 changed files with 24 additions and 10 deletions
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34
components/fpspreadsheet/source/common/fpszipper.pp
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@ -11,8 +11,8 @@
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
(******************************************************************************
(******************************************************************************
This is a copy of the zipper unit from FPC 3.3.1
Deactivate the FPS_PATCHED_ZIPPER define in fps.inc after a new FPC with
@ -26,11 +26,19 @@ unit fpsZipper;
Interface
{$IFDEF FPC_DOTTEDUNITS}
Uses
{$IFDEF Unix}
UnixApi.Base,
{$ENDIF}
System.SysUtils,System.Classes,System.ZLib.Zstream;
{$ELSE FPC_DOTTEDUNITS}
Uses
{$IFDEF UNIX}
BaseUnix,
{$ENDIF}
SysUtils,Classes,zstream;
{$ENDIF FPC_DOTTEDUNITS}
Const
@ -628,7 +636,11 @@ Type
Implementation
{$IFDEF FPC_DOTTEDUNITS}
uses System.RtlConsts;
{$ELSE FPC_DOTTEDUNITS}
uses rtlconsts;
{$ENDIF FPC_DOTTEDUNITS}
ResourceString
SErrBufsizeChange = 'Changing buffer size is not allowed while (un)zipping.';
@ -2324,20 +2336,21 @@ Begin
With LocalHdr do
begin
Item.FBitFlags:=Bit_Flag;
Item.FCompressMethod := Compress_Method;
// If bit 3 is set in the BitFlags, file size and CRC should be read from
// the DataDescriptor record. For simplicity, however, we copy them from
// the same fields of the zipfile entry.
if Item.FBitFlags and $0008 <> 0 then
begin
Uncompressed_Size := Item.Size;
Compressed_Size := Item.CompressedSize;
CRC32 := Item.CRC32;
end;
SetLength(S,Filename_Length);
FZipStream.ReadBuffer(S[1],Filename_Length);
if Bit_Flag and EFS_LANGUAGE_ENCODING_FLAG <> 0 then
SetCodePage(S, CP_UTF8, False);
Item.ArchiveFileName:=S;
Item.DiskFileName:=S;
if (Item.FCompressMethod = 0) and (Item.Size <> 0) then
begin
if (Uncompressed_Size = 0) then
Uncompressed_Size := Item.Size;
if (Compressed_Size = 0) then
Compressed_Size := Item.Size;
end;
SavePos:=FZipStream.Position; //after filename, before extra fields
if Extra_Field_Length>0 then
begin
@ -2600,6 +2613,7 @@ Begin
// Header position will be corrected later with zip64 version, if needed..
NewNode.HdrPos := Local_Header_Offset;
NewNode.FBitFlags:=Bit_Flag;
NewNode.FCompressMethod := Compress_Method;
SetLength(S,Filename_Length);
FZipStream.ReadBuffer(S[1],Filename_Length);
if Bit_Flag and EFS_LANGUAGE_ENCODING_FLAG <> 0 then