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https://github.com/ibm-s390-linux/s390-tools.git
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4d57ff046d
Renames pv crate to s390_pv and pv_core to s390_pv_core. pv was already taken on crates.io. Bump the versions of all crates to 0.10.0. From now on we follow Semver compatibility rules when it comes to updates. patch-level updates will not introduce any backwards incompatible changes. For now all crates in this directory will have the same version number. A version update may, therefore, not add any new things. Library users in this repository still use the non prefixed names and rename the crate in the Cargo.toml. Doc-tests have to use the new name however. Add some Cargo metadata to the Cargo.toml. Acked-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
// SPDX-License-Identifier: MIT
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//
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// Copyright IBM Corp. 2023, 2024
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macro_rules! file_error {
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($ty: tt, $ctx: expr, $path:expr, $src: expr) => {
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$crate::Error::FileIo {
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ty: $crate::FileIoErrorType::$ty,
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ctx: $ctx.to_string(),
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path: $path.as_ref().to_path_buf(),
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source: $src,
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}
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};
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}
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pub(crate) use file_error;
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macro_rules! bail_spec {
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($str: expr) => {
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return Err($crate::Error::Specification($str.to_string()))
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};
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}
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pub(crate) use bail_spec;
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/// Asserts a constant expression evaluates to `true`.
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///
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/// If the expression is not evaluated to `true` the compilation will fail.
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#[macro_export]
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macro_rules! static_assert {
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($condition:expr) => {
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const _: () = core::assert!($condition);
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};
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}
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/// Asserts that a type has a specific size.
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///
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/// Useful to validate structs that are passed to C code.
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/// If the size has not the expected value the compilation will fail.
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///
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/// # Example
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/// ```rust
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/// # use s390_pv_core::assert_size;
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/// # fn main() {}
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/// #[repr(C)]
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/// struct c_struct {
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/// v: u64,
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/// }
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/// assert_size!(c_struct, 8);
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/// // assert_size!(c_struct, 7);//won't compile
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/// ```
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#[macro_export]
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macro_rules! assert_size {
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($t:ty, $sz:expr ) => {
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$crate::static_assert!(::std::mem::size_of::<$t>() == $sz);
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};
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}
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