[delphizip] Re: error when reading a zip file in another PC
- From: James Turner <james.d.h.turner@xxxxxxxxxxxx>
- To: delphizip@xxxxxxxxxxxxx
- Date: Thu, 12 Jul 2007 10:46:15 +0100
What are the access rights? Is it possible that an attempt is being made
to open the file with read/write access but only read access is permitted.
-- James Turner
Edwin wrote:
> the the path and file name dose not contain any invalid characters, the file
> can be opened in the local PC. Maybe it's related to networked access.
>
>
>
> Best Regards,
> Edwin
> http://www.innovationgear.com
> MindVisualizer -- Productive Visual Mind Mapping Software
> 2007-07-12
>
>
>
> Sender£º RPeters
> Sent£º 2007-07-11 19:14:21
> Recipient£º delphizip@xxxxxxxxxxxxx
> CC£º
> Subject£º [delphizip] Re: error when reading a zip file in another PC
>
> The big problem may be what it does with characters that will not (or
> cannot) convert - often these result in an invalid character as far as =
> paths
> or filenames are concerned.
>
> A reasonably easy test is to call FindFirst and check the Windows error
> (probably bad filespec - I cannot recall the exact error codes at the
> moment).
>
> - Russell Peters
>
>> -----Original Message-----
>> From: delphizip-bounce@xxxxxxxxxxxxx [mailto:delphizip-
>> bounce@xxxxxxxxxxxxx] On Behalf Of Edwin
>> Sent: Wednesday, 11 July 2007 7:47 PM
>> To: delphizip@xxxxxxxxxxxxx; delphizip@xxxxxxxxxxxxx
>> Subject: [delphizip] Re: error when reading a zip file in another PC
>> =20
>> Thanks for your info James.
>> I use Tntsystem.WideStringToStringEx(str, DefaultSystemCodePage) to do
>> the conversion, it internally calls WideCharToMultiByte. Not sure =
>>
> where
>
>> the problem comes from, Tntsystem.WideStringToStringEx works well
>> elsewhere so far.............
>> =20
>> =20
>> =20
>> =20
>> Best Regards,
>> Edwin
>> http://www.innovationgear.com
>> MindVisualizer -- Productive Visual Mind Mapping Software
>> 2007-07-11
>> =20
>> =20
>> =20
>> Sender=A3=BA James Turner
>> Sent=A3=BA 2007-07-11 17:32:40
>> Recipient=A3=BA delphizip@xxxxxxxxxxxxx
>> CC=A3=BA
>> Subject=A3=BA [delphizip] Re: error when reading a zip file in another =
>>
> PC
>
>> =20
>> Using the short filename **might** work since it probably has only
>> ascii
>> characters (never checked this).
>> =20
>> Are you using standard Delphi conversions or working with
>> MultibyteToWideChar and WideCharToMultibyte directly?
>> =20
>> If you use the style ES_OEMCONVERT in any editboxes, this might
>> generate
>> a conversion problem (never studied this).
>> =20
>> -- James Turner
>> =20
>> Edwin wrote:
>> > Do you mean call GetShortPathName before setting the value of the
>> ZipFileName property? The path name and file name that the user
>> reported did not exceed the max. 255 characters.
>> > BTW, since I use WideString as much as I can in the program, the =
>>
> path
>
>> name is converted from WideString to string before assigning to the
>> property TZipMaster.ZipFileName, using the routines in the TNT =
>>
> Controls
>
>> package, I'm not sure is there error in the conversion....
>> >
>> >
>> >
>> >
>> > Best Regards,
>> > Edwin
>> > http://www.innovationgear.com
>> > MindVisualizer -- Productive Visual Mind Mapping Software
>> > 2007-07-11
>> >
>> >
>> >
>> > Sender=A3=BA James Turner
>> > Sent=A3=BA 2007-07-09 19:16:49
>> > Recipient=A3=BA delphizip@xxxxxxxxxxxxx
>> > CC=A3=BA
>> > Subject=A3=BA [delphizip] Re: error when reading a zip file in =
>>
> another PC
>
>> >
>> > It's just a guess, but perhaps using the short filename would help.
>> >
>> > This can be found using the API function GetShortPathName. On some
>> > versions of Windows, it can be found from the property sheet.
>> >
>> > -- James Turner
>> >
>> > RPeters wrote:
>> >
>> > > I would say it is quite likely.
>> > > My understanding is that the UNC 'share name' still follows the =
>>
> old
>
>> > > restricted character rules - if I am wrong I will quite a bit of
>> code to
>> > > adapt.
>> > >
>> > > I doubt that 1.79 (or earlier) is very friendly with MBCS
>> characters either.
>> > > If you are using 1.79 you could have it generate a log file (put =
>>
> an
>
>> > > appropriate ini file in the same folder as the dll).
>> > > - Russell Peters
>> > >
>> > >
>> > > > -----Original Message-----
>> > > > From: delphizip-bounce@xxxxxxxxxxxxx [mailto:delphizip-
>> > > > bounce@xxxxxxxxxxxxx] On Behalf Of Edwin
>> > > > Sent: Monday, 9 July 2007 6:54 PM
>> > > > To: delphizip@xxxxxxxxxxxxx
>> > > > Subject: [delphizip] error when reading a zip file in another PC
>> > > >
>> > > > Dear sir/Madam,
>> > > >
>> > > > Error when reading a zip file which is located in another PC and
>> the
>> > > > UNI path reads like \\pc1\folder1\my_file.zip, where folder1
>> contains
>> > > > Chinese characters. This error is reported by one of my users
>> and I
>> > > > cannot reproduce this error in my office. Any tips would be
>> > > > appreciated.
>> > > >
>> > > > BTW, Is the archive of this list available?
>> > > > --------------
>> > > > Best Regards,
>> > > > Edwin
>> > > > http://www.innovationgear.com
>> > > > MindVisualizer -- Productive Visual Mind Mapping Software
>> > > > 2007-07-09
>> > > >
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