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Commit Graph

21 Commits

Author SHA1 Message Date
Dan McGee
bf56fb6eb8 alpm_list: use malloc instead of calloc
In every case we were calling calloc, the struct we allocated (or the
memory to be used) is fully specified later in the method.

For alpm_list_t allocations, we always set all of data, next, and prev.

For list copying and transforming to an array, we always copy the entire
data element, so no need to zero it first.

Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-27 17:49:27 -05:00
Allan McRae
71fa9f912d Rename pmpkghash_t to alpm_pkghash_t
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-06-28 23:28:24 +10:00
Allan McRae
8a04bc25a1 Rename pmpkg_t to alpm_pkg_t
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-06-28 23:26:39 +10:00
Dan McGee
52bffd2457 Switch all logging to use handle directly
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>
2011-06-13 19:41:16 -05:00
Dan McGee
e2aa952689 Move pm_errno onto the handle
This involves some serious changes and a very messy diff, unfortunately.

Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-13 19:38:38 -05:00
Dan McGee
78cbc045c1 Remove ALPM_LOG_FUNC macro
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>
2011-06-03 11:48:24 -05:00
Dave Reisner
91594a1ef8 style cleanup: cast as (type *) not (type*)
Signed-off-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-04-20 19:04:53 -05:00
Dan McGee
c5addd94e3 Merge branch 'maint'
Conflicts:
	lib/libalpm/be_sync.c
	lib/libalpm/db.c
	src/pacman/util.c
2011-04-05 00:49:30 -05:00
Xavier Chantry
ff1974c6e9 libalpm/pkghash.c: unused variable ptr
spotted by clang analyzer

Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
2011-04-04 23:35:39 -05:00
Dan McGee
0303b26b1e Style change: return(x) --> return x
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>
2011-03-20 19:49:45 -05:00
Dan McGee
d1cc1ef6c3 Fix some database size estimation problems
* Use stat() and not lstat(); we don't care for the size of the symlink if
  it is one, we want the size of the reference file.
* FS#22896, fix local database estimation on platforms that don't abide by
  the nlink assumption for number of children.
* Fix a missing newline on an error message.

Signed-off-by: Dan McGee <dan@archlinux.org>
2011-02-15 16:58:08 -06:00
Pang Yan Han
da3b934602 Refactor out common code in pkghash add functions
The overlapping code in _alpm_pkghash_add() and _alpm_pkghash_add_sorted()
are now in a new static function pkghash_add_pkg(). This function has a
third flag parameter which determines whether the package should be added in
sorted order.

Signed-off-by: Pang Yan Han <pangyanhan@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-02-07 20:26:11 -06:00
Dan McGee
6b0d4674bb Improve pkghash_remove algorithm
Rather than potentially move every item to the next NULL, attempt to move at
most one item at a time by iterating backwards from the NULL location in the
hash array. If we move an item, we repeat the process on the now shorter
"chain" until no more items need moving.

Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04 10:03:04 +10:00
Dan McGee
1f145bcd1a Use alpm_list_remove_item in pkghash_remove
Removes the code that was duplicated and has now been refactored into a
separate method.

Signed-off-by: Dan McGee <dan@archlinux.org>
2011-02-04 09:55:46 +10:00
Allan McRae
01c3c7e4f2 Actually remove packages from pkghash on removal
Fully removes a package from the hash.  Also unify prototype with
removal from an alpm_list_t, fixing issues when removing a package
from the pkgcache.

Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04 09:55:45 +10:00
Allan McRae
11e5e86151 Refactor finding position for new hash entry
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04 09:55:45 +10:00
Allan McRae
9320786349 Rehash efficiently
Rehash without recreating the hash table list or reallocating the
memory for holding the list nodes.

Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04 09:55:45 +10:00
Allan McRae
c9820ec97b Slightly more efficient rehash size selection
While probably still not optimal in terms of everyday usage in
pacman, this reduces the absolute size increase to "more reasonable"
levels.  For databases greater than 5000 in size, the minimum size
increase is used which is still on the order of a 10% increase.

Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04 09:55:45 +10:00
Allan McRae
d843c86b7b Error handling for maximum database size
Check that the requested size of a pkghash is not beyond the maximum
prime.  Also check for successful creation of a new hash before
rehashing.

Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04 09:55:45 +10:00
Dan McGee
ce54715112 Implement a quick and dirty rehash function
This allows us to get through the rehash required by smoke001 and pass
all pactests. It is by no means the best or most efficient
implementation but it does do the job.

Signed-off-by: Dan McGee <dan@archlinux.org>
2011-02-04 09:55:45 +10:00
Allan McRae
e17b0446bd Add a hash table for holding packages
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-02-04 09:55:45 +10:00