diff options
Diffstat (limited to 'vendor/ciborium-io')
| -rw-r--r-- | vendor/ciborium-io/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | vendor/ciborium-io/Cargo.toml | 42 | ||||
| -rw-r--r-- | vendor/ciborium-io/LICENSE | 201 | ||||
| -rw-r--r-- | vendor/ciborium-io/README.md | 22 | ||||
| -rw-r--r-- | vendor/ciborium-io/src/lib.rs | 265 |
5 files changed, 531 insertions, 0 deletions
diff --git a/vendor/ciborium-io/.cargo-checksum.json b/vendor/ciborium-io/.cargo-checksum.json new file mode 100644 index 000000000..92ce3f8e8 --- /dev/null +++ b/vendor/ciborium-io/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"2e8f3576263716d257f74b3f28aec5c355185cf2d37a62da35476da0b32748af","LICENSE":"c71d239df91726fc519c6eb72d318ec65820627232b2f796219e87dcf35d0ab4","README.md":"005ef797bef5dc4441d977a8dcca9783a36e3f9c0a0573a492c055080cdff6d5","src/lib.rs":"ef5797420095e3f89a610031f962889472ccba079bfaa3241a0733590bf38659"},"package":"cdf919175532b369853f5d5e20b26b43112613fd6fe7aee757e35f7a44642656"}
\ No newline at end of file diff --git a/vendor/ciborium-io/Cargo.toml b/vendor/ciborium-io/Cargo.toml new file mode 100644 index 000000000..f11827935 --- /dev/null +++ b/vendor/ciborium-io/Cargo.toml @@ -0,0 +1,42 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies. +# +# If you are reading this file be aware that the original Cargo.toml +# will likely look very different (and much more reasonable). +# See Cargo.toml.orig for the original contents. + +[package] +edition = "2021" +rust-version = "1.56" +name = "ciborium-io" +version = "0.2.1" +authors = ["Nathaniel McCallum <npmccallum@profian.com>"] +description = "Simplified Read/Write traits for no_std usage" +homepage = "https://github.com/enarx/ciborium" +readme = "README.md" +keywords = ["io", "read", "write"] +categories = ["data-structures", "embedded", "no-std"] +license = "Apache-2.0" +repository = "https://github.com/enarx/ciborium" +[package.metadata.docs.rs] +all-features = true + +[features] +alloc = [] +std = ["alloc"] +[badges.github] +repository = "enarx/ciborium" +workflow = "test" + +[badges.is-it-maintained-issue-resolution] +repository = "enarx/ciborium" + +[badges.is-it-maintained-open-issues] +repository = "enarx/ciborium" + +[badges.maintenance] +status = "actively-developed" diff --git a/vendor/ciborium-io/LICENSE b/vendor/ciborium-io/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/vendor/ciborium-io/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/ciborium-io/README.md b/vendor/ciborium-io/README.md new file mode 100644 index 000000000..2ba5cc68f --- /dev/null +++ b/vendor/ciborium-io/README.md @@ -0,0 +1,22 @@ +[](https://github.com/enarx/ciborium/actions?query=workflow%3A%22test%22) +[](https://isitmaintained.com/project/enarx/ciborium "Average time to resolve an issue") +[](https://isitmaintained.com/project/enarx/ciborium "Percentage of issues still open") + + +# ciborium-io + +Simple, Low-level I/O traits + +This crate provides two simple traits: `Read` and `Write`. These traits +mimic their counterparts in `std::io`, but are trimmed for simplicity +and can be used in `no_std` and `no_alloc` environments. Since this +crate contains only traits, inline functions and unit structs, it should +be a zero-cost abstraction. + +If the `std` feature is enabled, we provide blanket implementations for +all `std::io` types. If the `alloc` feature is enabled, we provide +implementations for `Vec<u8>`. In all cases, you get implementations +for byte slices. You can, of course, implement the traits for your own +types. + +License: Apache-2.0 diff --git a/vendor/ciborium-io/src/lib.rs b/vendor/ciborium-io/src/lib.rs new file mode 100644 index 000000000..fef5b7044 --- /dev/null +++ b/vendor/ciborium-io/src/lib.rs @@ -0,0 +1,265 @@ +// SPDX-License-Identifier: Apache-2.0 + +//! Simple, Low-level I/O traits +//! +//! This crate provides two simple traits: `Read` and `Write`. These traits +//! mimic their counterparts in `std::io`, but are trimmed for simplicity +//! and can be used in `no_std` and `no_alloc` environments. Since this +//! crate contains only traits, inline functions and unit structs, it should +//! be a zero-cost abstraction. +//! +//! If the `std` feature is enabled, we provide blanket implementations for +//! all `std::io` types. If the `alloc` feature is enabled, we provide +//! implementations for `Vec<u8>`. In all cases, you get implementations +//! for byte slices. You can, of course, implement the traits for your own +//! types. + +#![cfg_attr(not(feature = "std"), no_std)] +#![deny(missing_docs)] +#![deny(clippy::all)] +#![deny(clippy::cargo)] + +#[cfg(feature = "alloc")] +extern crate alloc; + +/// A trait indicating a type that can read bytes +/// +/// Note that this is similar to `std::io::Read`, but simplified for use in a +/// `no_std` context. +pub trait Read { + /// The error type + type Error; + + /// Reads exactly `data.len()` bytes or fails + fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error>; +} + +/// A trait indicating a type that can write bytes +/// +/// Note that this is similar to `std::io::Write`, but simplified for use in a +/// `no_std` context. +pub trait Write { + /// The error type + type Error; + + /// Writes all bytes from `data` or fails + fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error>; + + /// Flushes all output + fn flush(&mut self) -> Result<(), Self::Error>; +} + +#[cfg(feature = "std")] +impl<T: std::io::Read> Read for T { + type Error = std::io::Error; + + #[inline] + fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error> { + self.read_exact(data) + } +} + +#[cfg(feature = "std")] +impl<T: std::io::Write> Write for T { + type Error = std::io::Error; + + #[inline] + fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> { + self.write_all(data) + } + + #[inline] + fn flush(&mut self) -> Result<(), Self::Error> { + self.flush() + } +} + +#[cfg(not(feature = "std"))] +impl<R: Read + ?Sized> Read for &mut R { + type Error = R::Error; + + #[inline] + fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error> { + (**self).read_exact(data) + } +} + +#[cfg(not(feature = "std"))] +impl<W: Write + ?Sized> Write for &mut W { + type Error = W::Error; + + #[inline] + fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> { + (**self).write_all(data) + } + + #[inline] + fn flush(&mut self) -> Result<(), Self::Error> { + (**self).flush() + } +} + +/// An error indicating there are no more bytes to read +#[cfg(not(feature = "std"))] +#[derive(Debug)] +pub struct EndOfFile(()); + +#[cfg(not(feature = "std"))] +impl Read for &[u8] { + type Error = EndOfFile; + + #[inline] + fn read_exact(&mut self, data: &mut [u8]) -> Result<(), Self::Error> { + if data.len() > self.len() { + return Err(EndOfFile(())); + } + + let (prefix, suffix) = self.split_at(data.len()); + data.copy_from_slice(prefix); + *self = suffix; + Ok(()) + } +} + +/// An error indicating that the output cannot accept more bytes +#[cfg(not(feature = "std"))] +#[derive(Debug)] +pub struct OutOfSpace(()); + +#[cfg(not(feature = "std"))] +impl Write for &mut [u8] { + type Error = OutOfSpace; + + #[inline] + fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> { + if data.len() > self.len() { + return Err(OutOfSpace(())); + } + + let (prefix, suffix) = core::mem::take(self).split_at_mut(data.len()); + prefix.copy_from_slice(data); + *self = suffix; + Ok(()) + } + + #[inline] + fn flush(&mut self) -> Result<(), Self::Error> { + Ok(()) + } +} + +#[cfg(all(not(feature = "std"), feature = "alloc"))] +impl Write for alloc::vec::Vec<u8> { + type Error = core::convert::Infallible; + + #[inline] + fn write_all(&mut self, data: &[u8]) -> Result<(), Self::Error> { + self.extend_from_slice(data); + Ok(()) + } + + #[inline] + fn flush(&mut self) -> Result<(), Self::Error> { + Ok(()) + } +} + +#[cfg(test)] +mod test { + use super::*; + + #[test] + fn read_eof() { + let mut reader = &[1u8; 0][..]; + let mut buffer = [0u8; 1]; + + reader.read_exact(&mut buffer[..]).unwrap_err(); + } + + #[test] + fn read_one() { + let mut reader = &[1u8; 1][..]; + let mut buffer = [0u8; 1]; + + reader.read_exact(&mut buffer[..]).unwrap(); + assert_eq!(buffer[0], 1); + + reader.read_exact(&mut buffer[..]).unwrap_err(); + } + + #[test] + fn read_two() { + let mut reader = &[1u8; 2][..]; + let mut buffer = [0u8; 1]; + + reader.read_exact(&mut buffer[..]).unwrap(); + assert_eq!(buffer[0], 1); + + reader.read_exact(&mut buffer[..]).unwrap(); + assert_eq!(buffer[0], 1); + + reader.read_exact(&mut buffer[..]).unwrap_err(); + } + + #[test] + #[cfg(feature = "std")] + fn read_std() { + let mut reader = std::io::repeat(1); + let mut buffer = [0u8; 2]; + + reader.read_exact(&mut buffer[..]).unwrap(); + assert_eq!(buffer[0], 1); + assert_eq!(buffer[1], 1); + } + + #[test] + fn write_oos() { + let mut writer = &mut [0u8; 0][..]; + + writer.write_all(&[1u8; 1][..]).unwrap_err(); + } + + #[test] + fn write_one() { + let mut buffer = [0u8; 1]; + let mut writer = &mut buffer[..]; + + writer.write_all(&[1u8; 1][..]).unwrap(); + writer.write_all(&[1u8; 1][..]).unwrap_err(); + assert_eq!(buffer[0], 1); + } + + #[test] + fn write_two() { + let mut buffer = [0u8; 2]; + let mut writer = &mut buffer[..]; + + writer.write_all(&[1u8; 1][..]).unwrap(); + writer.write_all(&[1u8; 1][..]).unwrap(); + writer.write_all(&[1u8; 1][..]).unwrap_err(); + assert_eq!(buffer[0], 1); + assert_eq!(buffer[1], 1); + } + + #[test] + #[cfg(feature = "alloc")] + fn write_vec() { + let mut buffer = alloc::vec::Vec::new(); + + buffer.write_all(&[1u8; 1][..]).unwrap(); + buffer.write_all(&[1u8; 1][..]).unwrap(); + + assert_eq!(buffer.len(), 2); + assert_eq!(buffer[0], 1); + assert_eq!(buffer[1], 1); + } + + #[test] + #[cfg(feature = "std")] + fn write_std() { + let mut writer = std::io::sink(); + + writer.write_all(&[1u8; 1][..]).unwrap(); + writer.write_all(&[1u8; 1][..]).unwrap(); + } +} |