Log of /trunk/io/io/src/TArchiveFile.cxx
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Revision
25343 -
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Modified
Tue Sep 2 08:44:16 2008 UTC (6 years, 4 months ago) by
rdm
File length: 7931 byte(s)
Diff to
previous 23122
correctly identify "multi?zip=bla.root" to be a zip archive with the file
name "multi" and make sure the TZIPFile plugin gets loaded. This fixes issue
33142.
Revision
22419 -
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Modified
Mon Mar 3 00:25:01 2008 UTC (6 years, 10 months ago) by
rdm
Original Path:
trunk/io/src/TArchiveFile.cxx
File length: 7788 byte(s)
Diff to
previous 20882
From Andrew Savchenko:
ROOT can not be compiled with gcc-4.3.
Some ROOT source files doesn't contain required #include directives,
for example, they use strlen(), but #include <string.h> is missed or
malloc() is used and #include <stdlib.h> is missed.
Earlier versions of gcc allowed some headers to be included implicitly,
but issued a warning (-Wimplicit-function-declaration). Newer one,
gcc-4.3 denies such silly behaviour: all required headers must be explicitly
included.
Attached patch fixes this. Also it fixes another issue, which disallows
ROOT to compile under gcc-4.3: C functions don't belong to namespace std,
so expressions like std::memcpy() are no longer valid and plain memcpy()
should be used instead.
Revision
15384 -
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Modified
Fri Jun 9 01:21:43 2006 UTC (8 years, 7 months ago) by
rdm
Original Path:
trunk/io/src/TArchiveFile.cxx
File length: 6988 byte(s)
Diff to
previous 11918
added support in TNetFile and TWebFile ReadBuffers() for reading from
ZIP archive files. Also changed the mod_root2.c plugin to be able to
return the file size needed for finding the ZIP directory. ROOT zip files
published via Apache need to have the extension .rzip since .zip is already
handled by another handler.
Revision
9420 -
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Added
Wed Jul 7 23:25:33 2004 UTC (10 years, 6 months ago) by
rdm
Original Path:
trunk/io/src/TArchiveFile.cxx
File length: 6898 byte(s)
two new classes to read archive files. TArchiveFile is an abstract class
which uses the plugin manager to load a concrete archive reader. Currently
the TZIPFile class provides a ZIP archive reader. One can also imagine a
TTARFile to read tar files. We advice however to use ZIP archives since they
allow direct access to all its members via a directory structure which
is part of the file. The archive file access has been integrated into TFile
which also functions as byte reader to access the archive. This has the
enormous benefit that archives can be accessed using all the existing
remote file access classes, like TNetFile, TRFIOFile, TCastorFile, etc.
When creating ZIP files containing ROOT files make sure that the ROOT files
are not compressed since normally they are already ZIP compressed. on Linux
one can create a ZIP archive doing:
zip -n root multi file1.root file2.root file3.root ...
which creates the archive multi.zip, with all files ending with .root
not compressed.
The ROOT files in an archive can be simply accessed like this:
TFile *f = TFile::Open("multi.zip#file2.root")
or
TFile *f = TFile::Open("root://pcsalo/multi.zip#2")
where the second form opens the 3rd ROOT file in the archive via rootd.
A TFile can also be used to just browse an archive file, like:
TFile *f = TFile::Open("multi.zip")
f->GetArchive->Print()
A TBrowser interface will follow shortly.
The core ZIP reading code has been kindly provided by Lassi Tuura.
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