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The read() underlying fgets() can be interrupted by a signal handler
causing fgets() to return NULL. Before we started handling SIGWINCH,
the odds of interrupting a read were low and typically resulted in
termination anyway. Replace all fgets calls with a wrapper that retries
in EINTR.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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When we check the database version directly, there is no longer a
need to scan for depends files.
Signed-off-by: Allan McRae <allan@archlinux.org>
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If a user manually creates the local database directory, or has an empty
local database for some other reason, we silently add a version file
Signed-off-by: Allan McRae <allan@archlinux.org>
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The version of the local pacman database is stored in its root in the file
ALPM_DB_VERSION. The version is starting at 9, corresponding to the
next libalpm library version.
Signed-off-by: Allan McRae <allan@archlinux.org>
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This means that a missing local database becomes an error (as it
should be immediately created). Note this only creates the "local"
directory and not its parent, which is checked for during locking.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Use MALLOC instead of malloc for safety in libalpm. Some changes are pure
refactoring, but for others this provides a success check for memory
allocation.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Florian Pritz <bluewind@xinu.at>
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If the db directory did not exist when local_db_populate was called, the
pkgcache wouldn't be initialized, causing pkghash_add_pkg to fail.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Forcing vim users to view files with a tabstop of 2 seems really
unnecessary when noet is set. I find it much easier to read code with
ts=4 and I dislike having to override the modeline by hand.
Command run:
find . -type f -exec sed -i '/vim.* noet/s# ts=2 sw=2##' {} +
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Mention mtree files do not need creation in addtion to install files.
Signed-off-by: Allan McRae <allan@archlinux.org>
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This defines a level of interest a user has in a repository. These are
described by the bitmask flags in the alpm_db_usage_t enum:
ALPM_DB_USAGE_SEARCH: repo is valid for searching
ALPM_DB_USAGE_INSTALL: repo is valid for installs (e.g. -S pkg)
ALPM_DB_USAGE_UPGRADE: repo is valid for sysupgrades
ALPM_DB_USAGE_ALL: all of the above are valid
Explicitly listing the contents of a repo will always be valid, and the
repo will always be refreshed appropriately on sync operations.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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We still call some of these 'deprecated' methods elsewhere, so this
shouldn't present a problem. When we decide 2.x support is to be dropped,
we should update all of the code to not call deprecated methods.
Allan: Adjusted with respect to previous patches adding libarchive
compatibilty layer.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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We have a few of these and might as well gather them together. This also
cleans up the code a bit by using an enum instead of integer values, as
well as makes a "search for file in filelist" function public so
frontends can do better than straight linear search of the filelists.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This may very well be a no-op, but better safe than sorry.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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If known, callers can pass the line size to this function in order to
avoid an strlen call. Otherwise, they simply pass 0 and
_alpm_strip_newline will do the call instead.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This path is rarely (read: never) taken in any normal run of the code,
so injecting the fprintf() call everywhere with the macro is a bit
overkill. Instead, add a lightweight _alpm_alloc_fail() function that
gets called instead.
This does have a reasonable effect on the size of the generated code;
most places using the macros provided by util.c have their code size
reduced.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Increment the strlen() provided value by 1 for the NULL byte so we use
the right value in all three places we later reference it.
Signed-off-by: Dan McGee <dan@archlinux.org>
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There isn't a whole lot of reason other than code clarity for this, but
it makes it a bit more obvious where multivalued attributes start.
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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Using fputs should be faster as no format string parsing is required. It
also prevents silly errors related to unescaped '%' signs, and removes
the need to double them up in a lot of places.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This reduces a lot of code duplication in the write function, which
cleans it up a bit.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This removes a call to _alpm_local_db_pkgpath() as well as an access()
call when reading the local database. This appears to be code from 2006
that has stuck around. We don't need it because:
1) We never use this path except to check it via access(); however, we
are already in a readdir() loop so it exists, or at least did at the
time of the call.
2) The fopen() and other calls will fail on accessing the database files
anyway, and we need to check those for errors.
Signed-off-by: Dan McGee <dan@archlinux.org>
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When installing a package, store information on which validation
method was used and output this on "pacman -Qi" operations.
e.g.
Validated By : SHA256 Sum
Possible values are Unknown, None, MD5 Sum, SHA256 Sum, Signature.
Dan: just a few very minor tweaks.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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No new behaviour introduced, everything should work exactly as before.
Dan: refactored to use the single alpm_depend_t structure.
Signed-off-by: Benedikt Morbach <benedikt.morbach@googlemail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Add 2012 to the copyright range for all libalpm and pacman source files.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This makes several small adjustments to our exposed method names, and in
one case, parameters. The justification here is to make methods less odd
in their naming convention. If a method takes an alpm_db_t argument, the
method should be named 'alpm_db_*', but perhaps more importantly, if it
doesn't take a database as the first parameter, it should not.
Summary of changes:
alpm_db_register_sync -> alpm_register_syncdb
alpm_db_unregister_all -> alpm_unregister_all_syncdbs
alpm_option_get_localdb -> aplpm_get_localdb
alpm_option_get_syncdbs -> aplpm_get_syncdbs
alpm_db_readgroup -> alpm_db_get_group
alpm_db_set_pkgreason -> alpm_pkg_set_reason
All methods keep the same argument list except for alpm_pkg_set_reason;
there we drop the 'handle' argument as it can be retrieved from the
passed in package object.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This moves the code for removal of local database entries right into
be_local.c, which was the last user of the rmrf() function we had in our
utility source file. We can simplify the implementation and make it
non-recursive as we know the structure of the local database entries.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This patch changes a variety of small things related to our pkghash
implementation with an eye toward performance, especially on native
32-bit systems.
* Use `unsigned int` rather than `size_t` for hash sizes. We already
return ERANGE for any attempted creation of a hash greater than 1
million elements, so unsigned int is more than large enough for our
purposes. Switching to this type allows 32 bit systems to do native
math without helper functions from libgcc.
* _alpm_pkghash_create() now internally adds extra padding for
additional array elements, rather than that being the responsibility of
the caller.
* #define values are moved into static const values in pkghash.c; a new
`stride` value is also extracted (but remains set at 1).
* Division and modulus operators are removed from the normal find and
add paths if possible. We store the upper limit of the number of
elements in the hash so we no longer need to calculate this every
element addition. When doing wraparound position calculations, we only
apply the modulus operator if the value is greater than the number of
buckets.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Ensures that config.h is always ordered correctly (first) in the
includes. Also means that new source files get this for free without
having to remember to add it.
We opt for -imacros over -include as its more portable, and the
added constraint by -imacros doesn't bother us for config.h.
This also touches the HACKING file to remove the explicit mention of
config.h as part of the includes.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Since we know the length of the line, we can use this all the way
through and do a cheaper operation than strdup() by just invoking malloc
and memcpy directly.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This will always be a 64-bit signed integer rather than the variable length
time_t type. Dates beyond 2038 should be fully supported in the library; the
frontend still lags behind because 32-bit platforms provide no localtime64()
or equivalent function to convert from an epoch value to a broken down time
structure.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Another place where we were doing the dirty work by hand.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Expose the current static get_pkgpath() function internally to the rest
of the library as _alpm_local_db_pkgpath(). This allows use of this
convenience function in add.c and remove.c when forming the path to the
scriptlet location.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We did a lot of both malloc-ing and stack printing to form some paths in
this code. Attempt to unify it all into the one get_pkgpath() method by
adding an optional third "filename" parameter, and form the necessary
path string all in one go.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We checked the (fgets == NULL and !feof) case, but never actually bailed
out of the loop if we were at the end of the file, causing infinite
looping.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This shouldn't really be declared with const, and causes a compile error
when -Wcast-qual is used. Remove the const specifier from the function
specification and all implementations.
Also fix one other trivial -Wcast-qual warning in _alpm_db_cmp().
Signed-off-by: Dan McGee <dan@archlinux.org>
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Neither deltas nor filename attributes are ever present in the local
database, so we can remove all of the indirection for accessing these
attributes.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We currently have csize, isize, and size concepts, and sometimes the
difference isn't clear. Ensure the following holds:
* size (aka csize): always the compressed size of the package; available
for everything except local packages (where it will return 0)
* isize: always the installed size of the package; available for all
three package types
Signed-off-by: Dan McGee <dan@archlinux.org>
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We were using atol(), which on 32 bit, cannot handle values greater than
2GiB, which is fail.
Switch to a strtoull() wrapper function tailored toward parsing off_t
values. This allows parsing of very large positive integer values. off_t
is a signed type, but in our usages, we never parse or have a need for
negative values, so the function will return -1 on error.
Before:
$ pacman -Si flightgear-data | grep Size
Download Size : 2097152.00 K
Installed Size : 2097152.00 K
After:
$ ./src/pacman/pacman -Si flightgear-data | grep Size
Download Size : 2312592.52 KiB
Installed Size : 5402896.00 KiB
Signed-off-by: Dan McGee <dan@archlinux.org>
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Hard to believe there was still more room to improve on this, but I
found an easily correctable oversight tonight. Our databases (both sync
and local) contain many blank lines, and we were not moving onto the
next line right away in these cases; instead we would proceed through
our strcmp() conditional checks as normal.
Some local numbers follow to show the effects of this patch:
Sync `-Ss foobarbaz`:
71,709 blank lines skipped early
~1,505,889 strcmp() calls avoided (21 per line)
~15% speed improvement (.210 --> .179 sec)
Local `-Qs foobarbaz`:
6,823 blank lines skipped early
115,991 strcmp() calls avoided (17 per line)
~6% speed improvement (.080 -> .071 sec)
Signed-off-by: Dan McGee <dan@archlinux.org>
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Do all the checks at once; this also avoids the 'return' call after we
have allocated memory for "pkgpath" as well as tweaked the umask.
Signed-off-by: Dan McGee <dan@archlinux.org>
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These are all available directly on the handle without indirection.
Signed-off-by: Dan McGee <dan@archlinux.org>
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The functions alpm_db_get_name(), alpm_pkg_get_name(), and
alpm_pkg_get_version() are not necessary at all, so remove the calling
and indirection when used in the backend, which makes things slightly
more efficient and reduces code size.
Signed-off-by: Dan McGee <dan@archlinux.org>
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* Move is_local standalone field to status enum
* Create VALID/INVALID flag pair
* Create EXISTS/MISSING flag pair
With these additional fields, we can be more intelligent with database
loading and messages to the user. We now only warn once if a sync
database does not exist and do not continue to try to load it once we
have marked it as missing.
The reason for the flags existing in pairs is so the unknown case can be
represented. There should never be a time when both flags in the same
group are true, but if they are both false, it represents the unknown
case. Care is taken to always manipulate both flags at the same time.
Signed-off-by: Dan McGee <dan@archlinux.org>
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