diff options
Diffstat (limited to 'third_party/rust/getrandom/src/error.rs')
| -rw-r--r-- | third_party/rust/getrandom/src/error.rs | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/third_party/rust/getrandom/src/error.rs b/third_party/rust/getrandom/src/error.rs index ab39a3c33a..13c81c7aff 100644 --- a/third_party/rust/getrandom/src/error.rs +++ b/third_party/rust/getrandom/src/error.rs @@ -1,10 +1,3 @@ -// Copyright 2018 Developers of the Rand project. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. use core::{fmt, num::NonZeroU32}; /// A small and `no_std` compatible error type @@ -35,7 +28,11 @@ impl Error { pub const UNSUPPORTED: Error = internal_error(0); /// The platform-specific `errno` returned a non-positive value. pub const ERRNO_NOT_POSITIVE: Error = internal_error(1); - /// Call to iOS [`SecRandomCopyBytes`](https://developer.apple.com/documentation/security/1399291-secrandomcopybytes) failed. + /// Encountered an unexpected situation which should not happen in practice. + pub const UNEXPECTED: Error = internal_error(2); + /// Call to [`CCRandomGenerateBytes`](https://opensource.apple.com/source/CommonCrypto/CommonCrypto-60074/include/CommonRandom.h.auto.html) failed + /// on iOS, tvOS, or waatchOS. + // TODO: Update this constant name in the next breaking release. pub const IOS_SEC_RANDOM: Error = internal_error(3); /// Call to Windows [`RtlGenRandom`](https://docs.microsoft.com/en-us/windows/win32/api/ntsecapi/nf-ntsecapi-rtlgenrandom) failed. pub const WINDOWS_RTL_GEN_RANDOM: Error = internal_error(4); @@ -164,6 +161,7 @@ fn internal_desc(error: Error) -> Option<&'static str> { match error { Error::UNSUPPORTED => Some("getrandom: this target is not supported"), Error::ERRNO_NOT_POSITIVE => Some("errno: did not return a positive value"), + Error::UNEXPECTED => Some("unexpected situation"), Error::IOS_SEC_RANDOM => Some("SecRandomCopyBytes: iOS Security framework failure"), Error::WINDOWS_RTL_GEN_RANDOM => Some("RtlGenRandom: Windows system function failure"), Error::FAILED_RDRAND => Some("RDRAND: failed multiple times: CPU issue likely"), |