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Signed-off-by: Dan McGee <dan@archlinux.org>
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We located files in a few places but didn't check if they were files or
directories. Ensure they are actually files using stat() and S_ISREG(); this
showed itself when trying to download to the directory name itself in
FS#22645.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Noted in FS#22697. When I factored out _alpm_parsedate() into a common
function, I didn't move the <locale.h> include properly, causing a build
failure when NLS is disabled and this header isn't automatically included
everywhere.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We don't need to create a temporary copy of the string if we are smart with
our pointer manipulation and string copying. This saves a bunch of string
duplication during database parsing, both local and sync.
Signed-off-by: Dan McGee <dan@archlinux.org>
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The same fallback we are currently using in the pacman frontend.
Signed-off-by: Dan McGee <dan@archlinux.org>
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None of these warn at the normal "-Wall -Werror" level, but casts do occur
that we are fine with. Make them explicit to silence some warnings when
using "-Wconversion".
Signed-off-by: Dan McGee <dan@archlinux.org>
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We've managed to duplicate this four times at this point, so make it a
method in util.c instead.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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The old function was written in a time before we relied on it for nearly
every operation. Since then, we have switched to the archive backend and now
fast parsing is a big deal.
The former function made a per-character call to the libarchive
archive_read_data() function, which resulted in some 21 million calls in a
typical "load all sync dbs" operation. If we instead do some buffering of
our own and read the blocks directly, and then find our newlines from there,
we can cut out the multiple layers of overhead and go from archive to parsed
data much quicker.
Both users of the former function are switched over to the new signature,
made easier by the macros now in place in the sync backend parsing code.
Performance: for a `pacman -Su` (no upgrades available),
_alpm_archive_fgets() goes from being 29% of the total time to 12% The time
spent on the libarchive function being called dropped from 24% to 6%.
This pushes _alpm_pkg_find back to the title of slowest low-level function.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This is prepping for the addition of a hash field to each package to greatly
speed up the string comparisons we frequently do on package name in
_alpm_pkg_find.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Rather than hiding these warnings, show them to the user as they happen.
This will prevent things such as hiding full filesystem errors (ENOSPC) from
the user as seen in FS#11639.
Signed-off-by: Dan McGee <dan@archlinux.org>
[Allan: adjust warning wording and add gettext calls]
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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The splitname function is a general utility function and so is better
suited to util.h. Rename it to _alpm_splitname to indicate it is an
internal libalpm function as was the case prior to splitting local and
sync db handling.
Signed-off-by: Allan McRae <allan@archlinux.org>
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I've noticed my Atom-powered laptop is dog-slow when doing integrity checks
on packages, and it turns out our MD5 implementation isn't near as good as
that provided by OpenSSL. Using their routines instead provided anywhere
from a 1.4x up to a 1.8x performance benefit over our built-in MD5 function.
This does not remove the MD5 code from our codebase, but it does enable
linking against OpenSSL to get their much faster implementation if it is
available on whatever platform you are using. At configure-time, we will
default to using it if it is available, but this can be easily changed by
using the `--with-openssl` or `--without-openssl` arguments to configure.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Jonathan Conder <j@skurvy.no-ip.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Fixes FS#18770, and hopefully an occasional deadlock in my frontend as well.
For simplicity it redirects all scriptlet output through SCRIPTLET_INFO, and
all callbacks in the child process have been replaced for thread-safety.
Signed-off-by: Jonathan Conder <j@skurvy.no-ip.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Prevents compiler warnings when building with -D_FORTIFY_SOURCE=2
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Check that writing to destination file actually occurs in
_alpm_copyfile. Required adding a new error (PM_ERR_WRITE)
as none of the others appeared appropriate.
Prevents compiler warning when using -D_FORTIFY_SOURCE=2.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Follow the HACKING guidelines and always use != 0 or == 0 rather
than negation within conditional statements to improve clarity.
Most of these are !strcmp usages which is the example of what not
to do in the HACKING document.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This implements FS#15198. The idea apparently came from Csaba Henk
<csaba-ml <at> creo.hu> which submitted a patch to Frugalware, so thanks to
him, even though I did not look at the code :)
The idea is to only extract folders for new packages into the package
database and clean up the old directories. This is essentially implementing
Xyne's "rebase" script within pacman.
If using -Syy, just remove and extract everything.
If using -Sy :
1. Generate list of directories in DB
2. Generate list of directories in archive
3. Compare both
4. Clean up old directories
5. Extract new directories
Original-work-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
[Dan: fix compile error, s/int/size_t/]
Signed-off-by: Dan McGee <dan@archlinux.org>
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* It makes the code clearer to read/understand
* Cppcheck tool doesn't show this anymore: [./util.c:215]: (error) Resource leak: fd
[Dan: don't change the coding style]
Signed-off-by: Dan McGee <dan@archlinux.org>
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Thanks to Laszlo Papp <djszapi@archlinux.us> for the following catch:
opendir(path)) == (DIR *)-1;
is maybe the result of misunderstanding the manpage. If an opendir() call
isn't successful it returns NULL rather than '(DIR *)-1'.
Noticed-by: Laszlo Papp <djszapi@archlinux.us>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Add support to extract a list of entries
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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See http://www.nabble.com/-PATCH-RFA--Distinguish-between-EOF-and-character-with-value-0xff-td23161772.html#a23188494
cygwin 1.7 actually displays a warning when using signed char with the ctype
function, so that compilation fails when using -Wall -Werror.
So we just cast all arguments to unsigned char.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We were doing a lot of manual work; leverage the standard library a bit to
do more for us.
Signed-off-by: Dan McGee <dan@archlinux.org>
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After our recent screwup with size_t and ssize_t in the download code, I
found the `-Wsign-conversion` flag to GCC to see if we were doing anything
else boneheaded. I didn't find anything quite as bad, but we did have some
goofups- most of our public unsigned methods would return -1 on error, which
is a bit odd in an unsigned context.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This function is unused since commit
358cc5804a2df873180e6d9ef2420ab3247f8437.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
[Dan: also kill from util.h]
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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If /sbin is not in the PATH and sudo is used, ldconfig cannot be found. So
use /sbin/ldconfig instead. The code checked for the existence of
/sbin/ldconfig anyway..
Signed-off-by: Marc - A. Dahlhaus <mad@wol.de>
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This fixes FS#15294.
The code to run a command inside a chroot was refactored from the
_alpm_runscriptlet function to _alpm_run_chroot.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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Instead of appending the prefix to each entry name, we can chdir to the
prefix before extracting, and restoring when it is done.
This seems to work better with the strange and special case of FS#12148
where an archive contained the "./" entry.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
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This patch fixes FS#12148 ('unstable' regular file).
I also changed the other archive_entry_set_mode usage in add.c to
archive_entry_set_perm.
Since I cannot find any relevant info in libarchive manual, I quote
Tim Kientzle (the author of libarchive) here, and I say thank you for
his help.
*** Tim Kientzle wrote *************************************
This is the problem in libalpm/util.c:
323 if(S_ISREG(st->st_mode)) {
324 archive_entry_set_mode(entry, 0644);
325 } else if(S_ISDIR(st->st_mode)) {
326 archive_entry_set_mode(entry, 0755);
327 }
Your example unstable.db.tar.gz is not empty. It has
one entry in it, called "./". That entry is marked
as a directory. But, when you call archive_entry_set_mode(),
you are changing the file type! archive_read_extract()
then creates the file /var/unstable as you requested.
(archive_read_extract() will replace an empty directory
with a file.)
You should either set the mode value correctly:
323 if(S_ISREG(st->st_mode)) {
324 archive_entry_set_mode(entry, IFREG | 0644);
325 } else if(S_ISDIR(st->st_mode)) {
326 archive_entry_set_mode(entry, IFDIR | 0755);
327 }
Or use archive_entry_set_perm(), which does not change
the file type:
323 if(S_ISREG(st->st_mode)) {
324 archive_entry_set_perm(entry, 0644);
325 } else if(S_ISDIR(st->st_mode)) {
326 archive_entry_set_perm(entry, 0755);
327 }
************************************************************
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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alpm_dep_compute_string
This patch introduces the following function name convention:
_compute_ in function name: the return value must be freed.
_get_ in function name: the return value must not be freed.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is the first step in being able to automatically remove phantom
lock files.
Signed-off-by: Allan McRae <allan@archlinux.org>
[Dan: fix compilation warnings]
Signed-off-by: Dan McGee <dan@archlinux.org>
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It is possible to throw EINTR from a system call such as open(), close(), or
waitpid() if custom signal handlers are set up and they are not initialized
with the SA_RESTART flag. This was noticed by Andreas Radke when ^C (SIGINT)
was given during the call to waitpid(), causing it to throw the EINTR error
and we could not accommodate it.
Simply wrap these calls in a simple loop that allows us to retry the call if
interrupted.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Probably a tweakable "lockdb-retry" option was planned which is not
implemented. (Now it should be implemented in front-end.)
So now this variable was unused and caused a small memleak.
(FREE(dir) was not reached in case of error.)
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Due to differences in handling va_list between i686 and x86_64, this bug
can only be seen on x86_64. va_list usage is not allowed but we had been
getting away with it. See
http://lists.opensuse.org/opensuse-programming/2008-02/msg00005.html
for details and explanation.
This fixes FS#11096.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Our internal vercmp function was the only user of this, and it no longer
relies on it.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We were using the stat() system call in quite a few places when we didn't
actually need anything the stat struct returned- we were simply checking for
file existence. access() will be more efficient in those cases.
Before (strace pacman -Ss pacman):
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
33.16 0.005987 0 19016 stat64
After:
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
34.85 0.003863 0 12633 1 access
7.95 0.000881 0 6391 7 stat64
Signed-off-by: Dan McGee <dan@archlinux.org>
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Glad we have so many developers using this as their native architecture.
int/size_t issue here.
Signed-off-by: Dan McGee <dan@archlinux.org>
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The start of a few commits to remove some PATH_MAX usage from our code. Use
a dynamically allocated string instead.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Rework to use a single #define for the buffsize, and in the process clean up
some other code and double the default buffer size.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Using the graph structures that Nagy set up for dependency sorting, we now
do a similar process for deltas. Load up all of the deltas into a graph
object on which we can then apply Dijkstra's algorithm, using the new weight
field of graph struct.
We initialize the nodes weight using the base files that we can use in our
filecache (both filename and md5sum must match). The algorithm then picks
the best path among those that can be resolved.
Note that this algorithm has a few advantages over the old one:
1. It is completely file agnostic. These delta chains do not have to consist
of package files- this could be adopted to do delta-fied DBs.
2. It does not use the local_db anymore, or even care if a package or file
is currently installed. Instead, it only looks in the filecache for files
and packages that match delta chain entries.
Original-work-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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Signed-off-by: K. Piche <kevin@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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