Signal-iOS/SignalServiceKit
Evan Hahn 04d7bb7462 Stop using arc4random in Swift files
This removes calls to `arc4random` and `arc4random_uniform` and replaces
them with calls to `Int.random` or equivalent.

These are a little less readable, which may be [why SwiftLint doesn't
like them][0]. (SwiftLint calls them "legacy", possibly because they're
not strong random number generators, but I couldn't find a clear
explanation for this anywhere, including [the original PR][1].)

This is the kind of change that's error-prone, so I wrote [a simple
script to help avoid regressions][2]. The script runs 10,000 iterations
of the old and new RNG and compares the ranges, reporting differences.
(Some differences are likely, like the ones that involve floats; others
are very unlikely to have differences.)

`git grep arc4random | grep swift` returns no results after this change.
Same for [everything else SwiftLint checks for][3].

[0]: https://realm.github.io/SwiftLint/legacy_random.html
[1]: https://github.com/realm/SwiftLint/pull/2419
[2]: https://gist.github.com/EvanHahn-Signal/9c75c9f484f4778149cbde3eafc9b285
[3]: ea6cc50890/Source/SwiftLintFramework/Rules/Idiomatic/LegacyRandomRule.swift (L23-L27)
2022-05-03 10:19:07 -05:00
..
protobuf Add initial support for the PniIdentity sync message 2022-03-23 11:48:08 -07:00
Resources Adjust disappearing message index 2022-04-27 12:25:10 -07:00
src Stop using arc4random in Swift files 2022-05-03 10:19:07 -05:00
tests Stop using arc4random in Swift files 2022-05-03 10:19:07 -05:00
Utilities More Python 3 script fixes 2022-03-24 10:28:27 -05:00
.clang-format Update clang-format with AllowShortEnumsOnASingleLine: false 2022-03-14 11:20:20 -07:00
.gitignore
.travis.yml
CONTRIBUTING.md Change references from master to main 2022-05-02 10:30:40 -05:00
LICENSE
README.md Convert to just using CocoaPods for dependencies 2020-01-02 12:03:57 -08:00

SignalServiceKit

SignalServiceKit is an Objective-C library for communicating with the Signal messaging service for iOS & OS X

To use SignalServiceKit via CocoaPods add the following to your Podfile

pod 'SignalServiceKit', git: 'https://github.com/signalapp/Signal-iOS.git'