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- apply patch from Daniel Hartwig to fix a segfault in case
the LongOpt is empty (Closes: #676331)
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- dup() given compressed fd in OpenDescriptor if AutoClose
is disabled as otherwise gzclose() and co will close it
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- have a dummy SyncToFd around in case of ReadOnly access to a
compressed file as we otherwise on Close() do not delete[] the
char buffer but munmap() it… (Closes: #673815)
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- ensure that we close compressed fds, wait for forks and such even if
the FileFd itself is set to not autoclose the given Fd
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content as this causes some "interesting" hickups resulting in segfaults
as it seems (Closes: #554387, #670979)
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- check that the fd which are closed are valid
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- add a more versatile Dump() method
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- remove the message size limit from ioprintf and strprintf
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- do not use the input data directly but memcpy it instead as
it could be unaligned as in the http-transport which causes
a sigbus error on sparc (Closes: #669061)
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- redirect stderr from compressors to /dev/null
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- remove the libz-dev alternative from zlib1g-dev build-dependency
- do the same for bz2 builtin if available
* apt-pkg/contrib/fileutl.cc:
- use libz2 library for (de)compression instead of the bzip2 binary as
the first is a dependency of dpkg and the later just priority:optional
so we gain 'easier' access to bz2-compressed Translation files this way
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compatible with users accessing it directly, but this prepares for a drop
of this strict requirement in the future
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- check return of write() as gcc recommends
* apt-pkg/acquire.cc:
- check return of write() as gcc recommends
* apt-pkg/cdrom.cc:
- check return of chdir() and link() as gcc recommends
* apt-pkg/clean.cc:
- check return of chdir() as gcc recommends
* apt-pkg/contrib/netrc.cc:
- check return of asprintf() as gcc recommends
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- do not warn about the ignoring of directories (Closes: #662762)
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of the integer fields as well to avoid crashes in scanf as cppchecks warns:
"(warning) scanf without field width limits can crash with huge input data"
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- clean up lost atomic cachefiles with 'clean' (Closes: #650513)
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- fix compat with FileFd::OpenDescriptor() in ReadOnlyGzip mode
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- do not stop parent transversal in FindDir if the value is empty
See http://lists.debian.org/deity/2012/01/msg00053.html , too.
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- store the offset in the internal fd before calculate size of
the zlib-handled file to jump back to this place again
It jumped back to the position of the content - which is wrong as
the internal fd is compressed and even reseting to the beginning of
the file doesn't work as zlib uses an internal buffer, so while we
might haven't read anything yet zlib might have done so already…
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- fix segfault from python-apt testsuite
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Also, read only one char in each step of ReadLine instead of back-"seeking"
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on the FileFd instead
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information if we are working on a pipe which can't seek
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anymore and therefore are also able to drop quiet a bit of duplicated code
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renamed it everywhere as otherwise stuff "magically" starts to fail…
Fixes commit 2209 as the mixture of #define names generates a lovely
compilable but non-functional mixture of gzip usage…
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The breakage is just to big for now, so guard the change with
#ifndef APT_8_CLEANER_HEADERS and be nice to library users
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The breakage is just to big for now, so guard the change with
#ifndef APT_8_CLEANER_HEADERS and be nice to library users
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internally so that it is exported and can be used like a "normal"
uncompressed file with FileFd
This allows us to hide th zlib usage in the implementation and use gzip
instead if we don't have zlib builtin (the same for other compressors).
The code includes quiet a few FIXME's so while all tests are working
it shouldn't be used just yet outside of libapt as it might break.
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- drop the explicit export of gz-compression handling
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- implement a ModificationTime method for FileFd
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to search for compressed silbings of the given filename and use this guessing
instead of hardcoding Gzip compression
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provide ReadOnly, WriteOnly and ReadWrite as flags alongside
the additional flags as decompression will be one-way later,
but certain parts really depend on Write* openmodes being
ReadWrite opens, so we will have to fail for those.
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- use a pointer-union to peace gcc strict-aliasing warning
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- refactor MergeList by creating -Group, -Package and -Version specialist
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