We don't write with extra or unknown whitespace, so there is little
reason for us to trim it when reading either. This also fixes the
hopefully never encountered "paths that start or end with spaces" issue,
for which two pactests have been added. The tests also contain other
evil characters that we have encountered before and handle just fine,
but it doesn't hurt to ensure we don't break such support in the future.
Signed-off-by: Dan McGee <dan@archlinux.org>
This is a wrapper function for access() which logs some debug
information and eases handling in case of split directory and filename.
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Dan McGee <dan@archlinux.org>
This addresses FS#25141. We shouldn't remove every empty directory we
come across during the removal process unless it is truly not known to
any other package. This will prevent removal of essential directories
such as '/var/lock/'.
This is accomplished by first checking the empty/non-empty status of a
directory, which was previously done implicitly by calling rmdir() and
ignoring errors. We do this to avoid the next (new) check in most cases,
which is to look at all local packages to see if the to-be-removed
directory is present in another packages' filelist. If we do not find it
anywhere, then we remove it, else we keep the file around.
The pactest has been updated to test more cases, as well as finding a
flaw in the original expected to fail case- we need separate DIR and
FILE based EXIST rules.
Signed-off-by: Dan McGee <dan@archlinux.org>
Modifying prefix caused tmp directories to be left behind after
running scriptlets, and the path '/' to be passed to _alpm_rmrf. Broken
in f01c6f.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
Only one of these looked like a real red flag, in find_requiredby(), but
it doesn't hurt to fix several of them up anyway.
Unfortunately, we can't turn this on universally due to things like the
sync(), remove(), etc. builtins which we often use as variable names.
Signed-off-by: Dan McGee <dan@archlinux.org>
We can reorganize things a bit to not require reading a directory-only
entry first (or at all). This was noticed while working on some pactest
improvements, but should be a good step forward anyway.
Also make _alpm_splitname() a bit more generic in where it stores the
data it parses.
Signed-off-by: Dan McGee <dan@archlinux.org>
Discovered this when doing some pactest rewrite work to generate
archives in memory only. If a sync database file or PKGINFO file is
missing a newline on the final line, the text from that line gets tossed
aside and never read into the package struct. This is pretty critical
when that last line is a depend or something.
Signed-off-by: Dan McGee <dan@archlinux.org>
This is the last user of our global handle object. Once again the diff
is large but the functional changes are not.
Signed-off-by: Dan McGee <dan@archlinux.org>
This requires a lot of line changes, but not many functional changes as
more often than not our handle variable is already available in some
fashion.
Signed-off-by: Dan McGee <dan@archlinux.org>
The vast majority of the time we will just be passing the same string
value on to the lstat() call. The only time we need to duplicate it is
if the path ends in '/'. In one run using a profiler, only 400 of the
200,000 calls (0.2%) required the string to be copied first.
Signed-off-by: Dan McGee <dan@archlinux.org>
This keeps duplicate code to a minimum. This will come in more handy as
we refactor some of these option setters away.
Signed-off-by: Dan McGee <dan@archlinux.org>
This allows us to not require the context (e.g. handle) when calling
this function. Also beef up the checks in the two callers of this
function to bail if the last return code is not ARCHIVE_EOF, which is
the expected value.
This requires a change to one of the pactest return codes and the
overall result of the test, but results in a much safer operating
condition whereby invalid database entries will stop the operation.
Signed-off-by: Dan McGee <dan@archlinux.org>
This will make the patching process less invasive as we start to remove
this variable from all source files.
Signed-off-by: Dan McGee <dan@archlinux.org>
The usefulness of this is rather limited due to it not being compiled
into production builds. When you do choose to see the output, it is
often overwhelming and not helpful. The best bet is to use a debugger
and/or well-placed fprintf() statements.
Signed-off-by: Dan McGee <dan@archlinux.org>
This does touch a lot of things, and hopefully doesn't break things on
other platforms, but allows us to also clean up a bunch of crud that no
longer needs to be there.
Signed-off-by: Dan McGee <dan@archlinux.org>
This is the standard, and we have had a few of these introduced lately
that should not be here.
Done with:
find -name '*.c' | xargs sed -i -e 's#if (#if(#g'
find -name '*.c' | xargs sed -i -e 's#while (#while(#g'
Signed-off-by: Dan McGee <dan@archlinux.org>
This is a rather serious data corruption issue that luckily manifested
itself today in a noticable way. A package in testing had replaces
entries read in as ["%RE pkgname", "%RE"] which was clearly wrong. This
happens when we hit the end of an archive block, do not have a newline,
and have to continue reading from the next block to complete the line.
Signed-off-by: Dan McGee <dan@archlinux.org>
This was discussed and more or less agreed upon on the mailing list. A
huge checkin, but if we just do it and let people adjust the pain will
end soon enough. Rebasing should be relatively straighforward for anyone
that sees conflicts; just be sure you use the new return style if
possible.
The following semantic patch was used to do the change, along with some
hand-massaging in order to preserve parenthesis where appropriate:
The semantic match that finds this problem is as follows, although some
hand-massaging was done in order to keep parenthesis where appropriate:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression a;
@@
- return(a);
+ return a;
// </smpl>
A macros_file was also provided with the following content:
Additional steps taken, mainly for ASSERT() macros:
$ sed -i -e 's#return(NULL)#return NULL#' lib/libalpm/*.c
$ sed -i -e 's#return(-1)#return -1#' lib/libalpm/*.c
Signed-off-by: Dan McGee <dan@archlinux.org>
A lot of these were places that should have used the same message but
didn't, or were very easy to convert to using the same message and
letting some of the burden off of the translators.
Signed-off-by: Dan McGee <dan@archlinux.org>
We only call these from the transaction init and teardown, so move them
to that file, mark them static, and push more of the logic of handle
manipulation into these functions.
Signed-off-by: Dan McGee <dan@archlinux.org>
According to FOPEN(3), using fclose on an fdopen'd file stream also
closes the underlying file descriptor. This happened in _alpm_lckmk
(util.c), which meant that when alpm_trans_release closed it again, the
log file (which reused the original file descriptor) was closed instead.
Signed-off-by: Jonathan Conder <jonno.conder@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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>
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>
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>
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>
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>
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>
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>
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>
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>
