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perf: avoid extra work in read_vc() #5527

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merged 1 commit into from May 14, 2023
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@ckerr ckerr commented May 14, 2023

Cache the value of ENCRYPT(VC) instead of recomputing it every time read_vc() is called.

Notes: Avoid unnecessary heap memory allocations.

@ckerr ckerr added scope:core type:fix A bug fix type:perf A code change that improves performance semver:patch make backwards compatible bug fixes labels May 14, 2023
@ckerr ckerr merged commit e88bf94 into main May 14, 2023
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@ckerr ckerr deleted the perf/avoid-extra-work-in-read-vc branch May 14, 2023 20:01
ckerr added a commit that referenced this pull request May 14, 2023
mtremer pushed a commit to ipfire/ipfire-2.x that referenced this pull request Aug 30, 2023
- Update from version 4.0.3 to 4.0.4
- Update of rootfile not required.
- Changelog
Transmission 4.0.4
	This is a bugfix-only release. Everyone's feedback on 4.0.x has been very helpful -- thanks for all the suggestions, bug reports, and pull requests!
What's New in 4.0.4
All Platforms
	* Fixed bug in sending torrent metadata to peers. ([#5460](transmission/transmission#5460))
	* Avoid unnecessary heap memory allocations. ([#5520](transmission/transmission#5520), [#5527](transmission/transmission#5527))
	* Fixed filename collision edge case when renaming files. ([#5563](transmission/transmission#5563))
	* Fixed locale errors that broke number rounding when displaying statistics, e.g. upload / download ratios. ([#5587](transmission/transmission#5587))
	* Always use a fixed-length key query in tracker announces. This isn't required by the [spec](https://www.bittorrent.org/beps/bep_0007.html), but some trackers rely on that fixed length because it's common practice by other BitTorrent clients. ([#5652](transmission/transmission#5652))
	* Fixed potential Windows crash when [getstdhandle()](https://learn.microsoft.com/en-us/windows/console/getstdhandle) returns `NULL`. ([#5675](transmission/transmission#5675))
	* Fixed `4.0.0` bug where the port numbers in LDP announces are sometimes malformed. ([#5825](transmission/transmission#5825))
	* Fixed a bug that prevented editing the query part of a tracker URL. ([#5871](transmission/transmission#5871))
	* Fixed a bug where Transmission may not announce LPD on its listening interface. ([#5896](transmission/transmission#5896))
	* Made small performance improvements in libtransmission. ([#5715](transmission/transmission#5715))
macOS Client
	* Updated code that had been using deprecated API. ([#5633](transmission/transmission#5633))
Qt Client
	* Fixed torrent name rendering when showing magnet links in compact view. ([#5491](transmission/transmission#5491))
	* Fixed bug that broke the "Move torrent file to trash" setting. ([#5505](transmission/transmission#5505))
	* Fixed Qt 6.4 deprecation warning. ([#5552](transmission/transmission#5552))
	* Fixed poor resolution of Qt application icon. ([#5570](transmission/transmission#5570))
GTK Client
	* Fixed missing 'Remove torrent' tooltip. ([#5777](transmission/transmission#5777))
Web Client
	* Don't show `null` as a tier name in the inspector's tier list. ([#5462](transmission/transmission#5462))
	* Fixed truncated play / pause icons. ([#5771](transmission/transmission#5771))
	* Fixed overflow when rendering peer lists and made speed indicators honor `prefers-color-scheme` media queries. ([#5814](transmission/transmission#5814))
	* Made the main menu accessible even on smaller displays. ([#5827](transmission/transmission#5827))
transmission-cli
	* Fixed "no such file or directory" warning when adding a magnet link. ([#5426](transmission/transmission#5426))
	* Fixed bug that caused the wrong decimal separator to be used in some locales. ([#5444](transmission/transmission#5444))
transmission-remote
	* Fixed display bug that failed to show some torrent labels. ([#5572](transmission/transmission#5572))
Everything Else
	* Ran all PNG files through lossless compressors to make them smaller. ([#5586](transmission/transmission#5586))
	* Fixed potential build issue when compiling on macOS with gcc. ([#5632](transmission/transmission#5632))

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
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scope:core semver:patch make backwards compatible bug fixes type:fix A bug fix type:perf A code change that improves performance
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