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2012-01-23Remove rmrf implementation from backendDan McGee3-52/+36
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>
2012-01-23libalpm/deps.c: access trans flags directlyDan McGee1-2/+4
Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-23Merge branch 'maint'Dan McGee5-49/+176
Conflicts: lib/libalpm/diskspace.c src/pacman/util.h
2012-01-23lib/dload: give uniform naming to curl CB functionsDave Reisner1-4/+4
Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-23Fix sys/mnttab.h header includeDan McGee1-2/+2
Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-23lib/dload: enforce usage of TCP keepalivesDave Reisner1-0/+53
This is particularly important in the case of FTP control connections, which may be closed by rogue NAT/firewall devices detecting idle connections on larger transfers which may take 5-10+ minutes. Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-19Add diskspace checking support for Solaris/IllumosDan McGee1-5/+49
Was able to get my hands on one of these boxes today, so add yet another new way of doing this. I'm glad these calls are so standardized. This was compile tested on Linux and Illumos and seems to still be working in both places. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-18Update copyright on changed files since beginning of yearDan McGee4-4/+4
Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-18Allow UseDelta option to specify a delta ratioDan McGee6-13/+15
Rework the frontend and backend to allow passing a ratio value in for UseDelta rather than having a hardcoded #define-d 0.7 value always used. This is useful for those with fast connections, who would likely benefit from tuning this ratio to lower values; it is also useful for general testing purposes. The libalpm API changes for this, but we do support the old config file format with a no-value 'UseDelta' option; in this case we simply use the old default of 0.7. We clamp the ratio values to a sane range between 0.0 and 2.0, allowing ratios above 1.0 for testing purposes. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-18util.c, rmrf(): only create string when neededOlivier Brunel1-3/+3
The entry's name is only used when not "." or ".." so only print the string then. Signed-off-by: Olivier Brunel <i.am.jack.mail@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-18fetch_url: look for files in cache before downloadingDave Reisner1-32/+60
We lost this logic somewhere between the libfetch and libcurl transition, as it existed in the internal downloader, but was pulled back only into the sync workflow. Add a helper function that will let us check for existance in the filecache prior to calling the downloader. Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-18Use isdigit() rather than character range comparisonsDan McGee1-1/+1
This is safer and guaranteed to work with even exotic character sets. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-12Reorder some operations in sig check for efficiencyDan McGee1-13/+7
We don't need to open the data to be checked if we don't have a signature to check against, so postpone that open until we know we have either the base64_data or a valid signature file. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-08Merge branch 'maint'Dan McGee2-5/+21
Conflicts: lib/libalpm/signing.c Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-08Fix segfaults on opening invalid archive filesDan McGee3-12/+18
"invalid" in this case simply means files that may or may not be archives. Discovered via a `pacman -Sc` operation with delta files in the package cache directory, but can be triggered if any file is passed to `pacman -Ql` that isn't an archive, for instance, or if the sync database file is not an archive. Fix it up so we are more careful about calling archive_read_finish() only on archives that are valid and have not already been closed, and teach our archive open function to set the returned archive to NULL if we aren't going to be returning something valid anyway. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-07Update sync database size estimation valuesDan McGee1-36/+13
As the comment states, this is more like a dartboard than science. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-07Clean up <inttypes.h> header inclusionsDan McGee2-3/+2
In both cases we can go with the slightly leaner <stdint.h> header include since we aren't using the print macros. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-07Use 32-bit wide integer type in PolarSSL codeDan McGee3-85/+89
A look at what this does on 64 bit systems since we were using the unnecessarily large 'unsigned long' type before even though it was 64 bits wide: $ ~/bin/bloat-o-meter libalpm.so.old lib/libalpm/.libs/libalpm.so add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-10412 (-10412) function old new delta md5_finish 370 356 -14 sha2_finish 547 531 -16 md5_process 3762 2643 -1119 sha2_process 20356 11093 -9263 The code size is nearly halved in the sha2 case (44% smaller code size), and md5 gets a nice size reduction (27% smaller) as well. We also move base64 code to <stdint.h> types as well; we can use 'uint32_t' rather than 'unsigned long' for at least two variables in the decode function. This doesn't net the same size benefit as the hash code case, but it is more proper. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-05Remove useless logger messageDan McGee1-1/+0
We don't need two log messages back-to-back about the same thing here. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-05Search for PGP subkeys in a keyserver-acceptable wayDan McGee1-5/+21
PGP keyservers are pieces of sh** when it comes to searching for subkeys, and only allow it if you submit an 8-character fingerprint rather than the recommended and less chance of collision 16-character fingerprint. Add a second remote lookup for the 8-character version of a key ID if we don't find anything the first time we look up the key. This fixes FS#27612 and the deficiency has been sent upstream to the GnuPG users mailing list as well. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-02Merge branch 'maint'Dan McGee1-3/+3
Conflicts: doc/Makefile.am
2012-01-02pkghash improvements/modificationsDan McGee4-55/+79
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>
2012-01-02Minor optimization on likely sync package lookupDan McGee1-1/+2
We have a name_hash value here, so add a cheap compare of it before falling to the strcmp() call. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-02be_package.c: fix compiler warningAllan McRae1-1/+1
be_package.c: In function 'parse_descfile': be_package.c:181:28: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] ptr - key + 2 is guaranteed to be > 0 so we can cast to size_t Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-02Remove unnecessary counters in file removal codeDan McGee1-5/+3
Now that filelist arrays know their own size, we don't need to do the bookkeeping we used to do when they were linked lists. Remove some of the counter variables and use math instead. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-02alpm_list_msort: inline alpm_list_nth() callDan McGee1-7/+14
This reduces the number of functions we call by log(n) in this function, and the inlined version is trivial and barely increases the size of the function. Signed-off-by: Dan McGee <dan@archlinux.org>
2012-01-02Only compile delta regex onceDan McGee5-16/+30
This reduces the number of regcomp() calls when parsing delta entries in the database from once per entry to once for the entire context handle by storing the compiled regex data on the handle itself. Just as we do with the cURL handle, we initialize it the first time it is needed and free it when releasing the handle. A few other small tweaks to the parsing function also take place, including using the stack to store the transient and short file size string while parsing it. When parsing a sync database with 1378 delta entries, this reduces the time of a `pacman -Sl deltas` operation by 50% from 0.22s to 0.12s. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-31Fix delta parsingDan McGee1-1/+2
In commit 4c5e7af32f9, we changed this code to use the regex gathered substrings. However, we failed to correctly store the delta file name (leaking memory), as well as freeing the temporary string used to hold the file size string. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-31Simplify hash function to a single multiplicationDan McGee1-1/+1
More than likely the compiler will do the three operation breakdown we had here before (2 shifts + subtraction), but let the compiler do the optimizations and make the actual operation more obvious. This actually slightly shrinks the function binary size, likely due to instruction reordering or something. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-29Fix bogus string cast in search debug messageDan McGee1-3/+3
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-23Remove strtrim function from backendDan McGee2-42/+0
The last user of this was the code in the backend for loading packages, but this no longer uses it. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-23be_package: be more explicit parsing key/value pairsDan McGee1-9/+12
This eliminates the need for strtrim() usage completely, instead relying on the fact that the only allowed delimiter between key and value is the " = " string. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-23Rework package removal codeDan McGee1-45/+54
Extract the actual unlinking of files into a new method, which eliminates a goto used for flow control. Also fix up a few small issues in the code: * Unnecessary (unsigned long) cast, use '%zd' instead * Total up errors returned from unlink_file calls and return to caller * Be consistent with scriptlets- we run pre_remove on dbonly, so we should also run post_remove. Both can be disabled by way of the --noscriptlet argument. * Don't pass an invalid pointer to oldpkg to the event callbacks; instead call the callback before we free the object. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-21Created hex_representation() in lib/libalpm/util.cDiogo Sousa1-33/+27
Used in alpm_compute_md5sum() and alpm_compute_sha256sum(). Signed-off-by: Diogo Sousa <diogogsousa@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-21include config.h via MakefilesDave Reisner29-56/+3
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>
2011-12-21Don't check diskspace when using --dbonlyDan McGee1-1/+1
Mostly a waste of time. Sure, we no longer make sure your pacman database partition has enough space, but if you are using this option you better know what you are doing anyway. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-13sync: avoid checking file conflicts with --dbonlyDave Reisner1-1/+1
Scratches my own itch from FS#25667 Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-13delta: use regex substring matchingDave Reisner1-23/+20
Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-12Calculate root length only once when checking for file conflictsDan McGee1-3/+5
It is quite easy to hoist this potentially repeated computation out of the loop; even if we don't end up using it, it is super cheap to do it only once. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-12lib/conflict: save strlen call by reusing snprintf returnDave Reisner1-2/+3
The return should probably be checked to ensure its not longer than PATH_MAX, but I have no idea what the correct behavior is when that happens. Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-12code syntax cleanupDave Reisner2-14/+14
As per HACKING file, we use 'CTRL(' rather than 'CTRL (' Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-07Move items around in the alpm handle structDan McGee1-1/+1
This allows for the struct layout to have no empty spaces. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-07Slight local database files reading optimizationDan McGee1-5/+13
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>
2011-12-07Merge branch 'maint'Dan McGee2-1/+4
2011-12-05Use correct size in memsetDan McGee1-1/+1
We were using the size of a pointer, not the size of the whole archive_read_buffer struct. Thanks to Clang/LLVM 3.0 and Allan/Dave in IRC for finding this one. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-05Enforce signature download size limit on -U <url> operationsDan McGee1-0/+3
We had a 16 KiB limit on database signatures, we should do the same here too to have a slight sanity check, even if we can't do so for the package itself yet. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-11-30Merge branch 'maint'Dan McGee1-1/+1
2011-11-30_alpm_ldconfig: return value from _alpm_run_chrootDan McGee1-1/+1
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-11-30Add helper function for duplicating depends listsDan McGee1-27/+31
We do this in several of the package duplication steps; add a helper function for doing so to reduce some of the repetitive code. Also add a free_deplist function for our repeated depend list free calls of both the data and the list. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-11-22added doxygen documentationandrew.gregory.8@gmail.com2-30/+124
Made existing documentation more consistent and added documentation where there was none. One function still needs documentation and is marked with 'TODO'. Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
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