firefox-main/third_party/rust/getrandom/CHANGELOG.md

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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.3.3] - 2025-05-09
### Changed
- Doc improvements [#632] [#634] [#635]
- Add crate version to docs.rs links used in `compile_error!`s [#639]
## Fixed
- Error handling in WASI p1 [#661]
## [0.3.2] - 2025-03-17
### Added
- `efi_rng` opt-in backend [#570]
- `linux_raw` opt-in backend [#572]
- `.cargo/config.toml` example in the crate-level docs [#591]
- `getrandom_test_linux_without_fallback` configuration flag to test that file fallback
is not triggered in the `linux_android_with_fallback` backend [#605]
- Built-in support for `*-linux-none` targets [#618]
- Cygwin support [#626]
### Changed
- Update `wasi` dependency to v0.14 [#594]
- Add `#[inline]` attribute to the inner functions [#596]
- Update WASI and Emscripten links in the crate-level docs [#597]
- Do not use `dlsym` on MUSL targets in the `linux_android_with_fallback` backend [#602]
- Remove `linux_android.rs` and use `getrandom.rs` instead [#603]
- Always use `RtlGenRandom` on Windows targets when compiling with pre-1.78 Rust [#610]
- Internal representation of the `Error` type [#614]
- Remove `windows-targets` dependency and use [`raw-dylib`] directly [#627]
### Removed
- `Error::INTERNAL_START` and `Error::CUSTOM_START` associated constants [#614]
## [0.3.1] - 2025-01-28
### Fixed
- Build error on Android [#588]
## [0.3.0] - 2025-01-25
### Breaking Changes
#### Changed
- Bump MSRV to 1.63 [#542]
- Rename `getrandom` and `getrandom_uninit` functions to `fill` and `fill_uninit` respectively [#532]
#### Removed
- `wasm32-wasi` target support (use `wasm32-wasip1` or `wasm32-wasip2` instead) [#499]
- `linux_disable_fallback`, `rdrand`, `js`, `test-in-browser`, and `custom` crate features
in favor of configuration flags [#504]
- `register_custom_getrandom!` macro [#504]
- Implementation of `From<NonZeroU32>` for `Error` and `Error::code` method [#507]
- Internet Explorer 11 support [#554]
- Target-specific assocciated `Error` constants [#562]
### Changed
- Use `ProcessPrng` on Windows 10 and up, and use `RtlGenRandom` on older Windows versions [#415]
- Do not use locale-specific `strerror_r` for retrieving error code descriptions [#440]
- Avoid assuming `usize` is the native word size in the `rdrand` backend [#442]
- Do not read from `errno` when `libc` did not indicate error on Solaris [#448]
- Switch from `libpthread`'s mutex to `futex` on Linux and to `nanosleep`-based wait loop
on other targets in the `use_file` backend [#490]
- Do not retry on `EAGAIN` while polling `/dev/random` on Linux [#522]
- Remove separate codepath for Node.js in the `wasm_js` backend
(bumps minimum supported Node.js version to v19) [#557]
- Use `js_namespace` in the `wasm_js` backend [#559]
### Added
- `wasm32-wasip1` and `wasm32-wasip2` support [#499]
- `getrandom_backend` configuration flag for selection of opt-in backends [#504]
- `Error::new_custom` method [#507]
- `rndr` opt-in backend [#512]
- Automatic MemorySanitizer support [#521] [#571]
- `u32` and `u64` functions for generating random values of the respective type [#544]
- `wasm32v1-none` support in the `wasm_js` backend [#560]
- `wasm_js` crate feature which allows users to enable the `wasm_js` opt-in backend [#574]
### Fixed
- NetBSD fallback code based on `KERN_ARND` [#555]
## [0.2.16] - 2025-04-22
### Added
- Cygwin support (backport of [#626]) [#654]
## [0.2.15] - 2024-05-06
### Added
- Apple visionOS support [#410]
### Changed
- Use `libc::getrandom` on DragonflyBSD, FreeBSD, illumos, and Solaris [#411] [#416] [#417] [#420]
- Unify `libc::getentropy`-based implementations [#418]
## [0.2.14] - 2024-04-08
### Fixed
- Enable `/dev/urandom` fallback for MUSL-based Linux targets [#408]
## [0.2.13] - 2024-04-06
### Added
- `linux_disable_fallback` crate feature to disable `/dev/urandom`-based fallback on Linux and
Android targets. Enabling this feature bumps minimum supported Linux kernel version to 3.17 and
Android API level to 23 (Marshmallow). [#396]
### Changed
- Disable `/dev/urandom` fallback for Linux targets outside of the following `target_arch`es:
`aarch64`, `arm`, `powerpc`, `powerpc64`, `s390x`, `x86`, `x86_64` [#396]
- Do not catch `EPERM` error code on Android while checking availability of
the `getrandom` syscall [#396]
## [0.2.12] - 2024-01-09
### Fixed
- Custom backend for targets without atomics [#385]
### Changed
- Improve robustness of the Hermit backend and `sys_fill_exact` [#386]
- Raise minimum supported Apple OS versions to macOS 10.12 and iOS 10 [#388]
### Added
- Document platform support policy [#387]
## [0.2.11] - 2023-11-08
### Added
- GNU/Hurd support [#370]
### Changed
- Renamed `__getrandom_internal` to `__GETRANDOM_INTERNAL` [#369]
- Updated link to Hermit docs [#374]
## [0.2.10] - 2023-06-06
### Added
- Support for PS Vita (`armv7-sony-vita-newlibeabihf`) [#359]
### Changed
- Use getentropy from libc on Emscripten targets [#362]
## [0.2.9] - 2023-04-06
### Added
- AIX support [#282]
- `getrandom_uninit` function [#291]
- `wasm64-unknown-unknown` support [#303]
- tvOS and watchOS support [#317]
- QNX/nto support [#325]
- Support for `getrandom` syscall on NetBSD ≥ 10.0 [#331]
- `RtlGenRandom` fallback for non-UWP Windows [#337]
### Breaking Changes
- Update MSRV to 1.36 [#291]
### Fixed
- Solaris/OpenBSD/Dragonfly build [#301]
### Changed
- Update MSRV to 1.36 [#291]
- Use getentropy on Emscripten [#307]
- Solaris: consistantly use `/dev/random` source [#310]
- Move 3ds selection above rdrand/js/custom fallback [#312]
- Remove buffer zeroing from Node.js implementation [#315]
- Use `open` instead of `open64` [#326]
- Remove #cfg from bsd_arandom.rs [#332]
- Hermit: use `sys_read_entropy` syscall [#333]
- Eliminate potential panic in sys_fill_exact [#334]
- rdrand: Remove checking for 0 and !0 and instead check CPU family and do a self-test [#335]
- Move `__getrandom_custom` definition into a const block [#344]
- Switch the custom backend to Rust ABI [#347]
## [0.2.8] - 2022-10-20
### Changed
- The [Web Cryptography API] will now be preferred on `wasm32-unknown-unknown`
when using the `"js"` feature, even on Node.js [#284] [#295]
### Added
- Added benchmarks to track buffer initialization cost [#272]
### Fixed
- Use `$crate` in `register_custom_getrandom!` [#270]
### Documentation
- Add information about enabling `"js"` feature [#280]
- Fix link to `wasm-bindgen` [#278]
- Document the varied implementations for underlying randomness sources [#276]
## [0.2.7] - 2022-06-14
### Changed
- Update `wasi` dependency to `0.11` [#253]
### Fixed
- Use `AtomicPtr` instead of `AtomicUsize` for Strict Provenance compatibility. [#263]
### Documentation
- Add comments explaining use of fallback mechanisms [#257] [#260]
## [0.2.6] - 2022-03-28
### Added
- Nintendo 3DS (`armv6k-nintendo-3ds`) support [#248]
### Changed
- Retry `open` when interrupted [#252]
## [0.2.5] - 2022-02-22
### Added
- ESP-IDF targets (`*‑espidf`) support [#245]
### Fixed
- Webpack warning caused by dynamic require [#234]
- Error checking on iOS for `SecRandomCopyBytes` [#244]
## [0.2.4] - 2021-12-13
### Changed
- Use explicit imports in the `js` backend [#220]
- Use `/dev/urandom` on Redox instead of `rand:` [#222]
- Use `NonZeroU32::new_unchecked` to convert wasi error [#233]
### Added
- SOLID targets (`*-kmc-solid_*`) support [#235]
- Limited Hermit (`x86_64-unknown-hermit`) support [#236]
## [0.2.3] - 2021-04-10
### Changed
- Replace build.rs with link attributes. [#205]
- Add support for getrandom syscall on DragonFly BSD. [#210]
- Improve Node.js detection. [#215]
## [0.2.2] - 2021-01-19
### Changed
- Forward `rustc-dep-of-std` to dependencies. [#198]
- Highlight feature-dependent functionality in documentation using the `doc_cfg` feature. [#200]
## [0.2.1] - 2021-01-03
### Changed
- Update `cfg-if` to v1.0. [#166]
- Update `wasi` to v0.10. [#167]
### Fixed
- Multithreaded WASM support. [#165]
### Removed
- Windows XP support. [#177]
- Direct `stdweb` support. [#178]
- CloudABI support. [#184]
## [0.2.0] - 2020-09-10
### Features for using getrandom on unsupported targets
The following (off by default) Cargo features have been added:
- `"rdrand"` - use the RDRAND instruction on `no_std` `x86`/`x86_64` targets [#133]
- `"js"` - use JavaScript calls on `wasm32-unknown-unknown` [#149]
- Replaces the `stdweb` and `wasm-bindgen` features (which are removed)
- `"custom"` - allows a user to specify a custom implementation [#109]
### Breaking Changes
- Unsupported targets no longer compile [#107]
- Change/Add `Error` constants [#120]
- Only impl `std` traits when the `"std"` Cargo feature is specified [#106]
- Remove official support for Hermit, L4Re, and UEFI [#133]
- Remove optional `"log"` dependency [#131]
- Update minimum supported Linux kernel to 2.6.32 [#153]
- Update MSRV to 1.34 [#159]
## [0.1.16] - 2020-12-31
### Changed
- Update `cfg-if` to v1.0. [#173]
- Implement `std::error::Error` for the `Error` type on additional targets. [#169]
### Fixed
- Multithreaded WASM support. [#171]
## [0.1.15] - 2020-09-10
### Changed
- Added support for Internet Explorer 11 [#139]
- Fix Webpack require warning with `wasm-bindgen` [#137]
## [0.1.14] - 2020-01-07
### Changed
- Remove use of spin-locks in the `use_file` module. [#125]
- Update `wasi` to v0.9. [#126]
- Do not read errno value on DragonFlyBSD to fix compilation failure. [#129]
## [0.1.13] - 2019-08-25
### Added
- VxWorks targets support. [#86]
### Changed
- If zero-length slice is passed to the `getrandom` function, always return
`Ok(())` immediately without doing any calls to the underlying operating
system. [#104]
- Use the `kern.arandom` sysctl on NetBSD. [#115]
### Fixed
- Bump `cfg-if` minimum version from 0.1.0 to 0.1.2. [#112]
- Typos and bad doc links. [#117]
## [0.1.12] - 2019-08-18
### Changed
- Update wasi dependency from v0.5 to v0.7. [#100]
## [0.1.11] - 2019-08-25
### Fixed
- Implement `std`-dependent traits for selected targets even if `std`
feature is disabled. (backward compatibility with v0.1.8) [#96]
## [0.1.10] - 2019-08-18 [YANKED]
### Changed
- Use the dummy implementation on `wasm32-unknown-unknown` even with the
disabled `dummy` feature. [#90]
### Fixed
- Fix CSP error for `wasm-bindgen`. [#92]
## [0.1.9] - 2019-08-14 [YANKED]
### Changed
- Remove `std` dependency for opening and reading files. [#58]
- Use `wasi` instead of `libc` on WASI target. [#64]
- By default emit a compile-time error when built for an unsupported target.
This behaviour can be disabled by using the `dummy` feature. [#71]
### Added
- Add support for UWP targets. [#69]
- Add unstable `rustc-dep-of-std` feature. [#78]
## [0.1.8] - 2019-07-29
### Changed
- Explicitly specify types to arguments of 'libc::syscall'. [#74]
## [0.1.7] - 2019-07-29
### Added
- Support for hermit and l4re. [#61]
- `Error::raw_os_error` method, `Error::INTERNAL_START` and
`Error::CUSTOM_START` constants. Use `libc` for retrieving OS error descriptions. [#54]
### Changed
- Remove `lazy_static` dependency and use custom structures for lock-free
initialization. [#51] [#52]
- Try `getrandom()` first on FreeBSD. [#57]
### Removed
- Bitrig support. [#56]
### Deprecated
- `Error::UNKNOWN`, `Error::UNAVAILABLE`. [#54]
## [0.1.6] - 2019-06-30
### Changed
- Minor change of RDRAND AMD bug handling. [#48]
## [0.1.5] - 2019-06-29
### Fixed
- Use shared `File` instead of shared file descriptor. [#44]
- Workaround for RDRAND hardware bug present on some AMD CPUs. [#43]
### Changed
- Try `getentropy` and then fallback to `/dev/random` on macOS. [#38]
## [0.1.4] - 2019-06-28
### Added
- Add support for `x86_64-unknown-uefi` target by using RDRAND with CPUID
feature detection. [#30]
### Fixed
- Fix long buffer issues on Windows and Linux. [#31] [#32]
- Check `EPERM` in addition to `ENOSYS` on Linux. [#37]
### Changed
- Improve efficiency by sharing file descriptor across threads. [#13]
- Remove `cloudabi`, `winapi`, and `fuchsia-cprng` dependencies. [#40]
- Improve RDRAND implementation. [#24]
- Don't block during syscall detection on Linux. [#26]
- Increase consistency with libc implementation on FreeBSD. [#36]
- Apply `rustfmt`. [#39]
## [0.1.3] - 2019-05-15
- Update for `wasm32-unknown-wasi` being renamed to `wasm32-wasi`, and for
WASI being categorized as an OS.
## [0.1.2] - 2019-04-06
- Add support for `wasm32-unknown-wasi` target.
## [0.1.1] - 2019-04-05
- Enable std functionality for CloudABI by default.
## [0.1.0] - 2019-03-23
Publish initial implementation.
## [0.0.0] - 2019-01-19
Publish an empty template library.