2023 fixups

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: ${{matrix.command}}
-          args: "${{matrix.command == 'fmt' && '--all -- --check' || '--workspace --exclude hdf5-src -- -D warnings -D clippy::cargo'}}"
+          args: "${{matrix.command == 'fmt' && '--all -- --check' || '--workspace --exclude hdf5-src -- -D warnings -D clippy::cargo -A clippy::multiple-crate-versions'}}"
 
   doc: # This task should mirror the procedure on docs.rs
     runs-on: ubuntu-latest
@@ -58,8 +58,7 @@ jobs:
         include:
           - {version: hdf5@1.8}
           - {version: hdf5@1.10}
-          - {version: hdf5@1.12}
-          - {version: hdf5-mpi, mpi: true}
+          # - {version: hdf5-mpi, mpi: true}  # TODO: re-enable once 1.14 support is merged in
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
@@ -156,13 +155,13 @@ jobs:
 
   apt:
     name: apt
-    runs-on: ubuntu-${{matrix.ubuntu}}
+    runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
         include:
-          - {ubuntu: 18.04, mpi: mpich, rust: beta}
-          - {ubuntu: 20.04, mpi: openmpi, rust: stable}
+          - {mpi: mpich, rust: beta}
+          - {mpi: openmpi, rust: stable}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
@@ -236,7 +235,7 @@ jobs:
 
   msrv:
     name: Minimal Supported Rust Version
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
     steps:
@@ -245,25 +244,27 @@ jobs:
         with: {submodules: true}
       - name: Install Rust
         uses: actions-rs/toolchain@v1
-        with: {toolchain: 1.54, profile: minimal, override: true}
+        with: {toolchain: 1.64, profile: minimal, override: true}
       - name: Build and test all crates
         run:
           cargo test --workspace -vv --features=hdf5-sys/static --exclude=hdf5-derive
 
-  wine:
-    name: wine
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-        with: {submodules: true}
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with: {toolchain: stable, target: x86_64-pc-windows-gnu, profile: minimal, override: true}
-      - name: Install dependencies
-        run: sudo apt-get update && sudo apt install wine64 mingw-w64
-      - name: Build and test
-        run: env CARGO_TARGET_X86_64_PC_WINDOWS_GNU_RUNNER=wine64 cargo test --features hdf5-sys/static --target x86_64-pc-windows-gnu -- --skip test_compile_fail
+  # # TODO: temporarily disabled until fixed (see https://github.com/aldanor/hdf5-rust/issues/241)
+  # wine:
+  #   name: wine
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: Checkout repository
+  #       uses: actions/checkout@v2
+  #       with: {submodules: true}
+  #     - name: Install Rust
+  #       uses: actions-rs/toolchain@v1
+  #       with: {toolchain: stable, target: x86_64-pc-windows-gnu, profile: minimal, override: true}
+  #     - name: Install dependencies
+  #       run: sudo apt-get update && sudo apt install wine64 mingw-w64
+  #     - name: Build and test
+  #       run: env CARGO_TARGET_X86_64_PC_WINDOWS_GNU_RUNNER=wine64 cargo test --features hdf5-sys/static --target x86_64-pc-windows-gnu -- --skip test_compile_fail
+
   addr_san:
     name: Address sanitizer
     runs-on: ubuntu-latest

CHANGELOG.md

@@ -12,7 +12,7 @@
 ### Changed
 
 - The `H5Type` derive macro now uses `proc-macro-error` to emit error messages.
-- MSRV is now `1.54` following a bump in a dependency.
+- MSRV is now `1.64.0` and Rust edition has now been bumped to 2021.
 
 ### Fixed
 
@@ -21,6 +21,7 @@
 - Fixed a missing symbol when building `hdf5-src` with `libz-sys`.
 - Fixed a bug where errors were only silenced on the main thread.
 - Fixed a memory leak when opening datasets.
+- Avoid creating unaligned references in `H5Type` derive macro.
 
 ## 0.8.1
 

Cargo.toml

@@ -1,55 +1,26 @@
-[package]
-name = "hdf5"
+[workspace]
+members = ["hdf5", "hdf5-types", "hdf5-derive", "hdf5-sys", "hdf5-src"]
+default-members = ["hdf5", "hdf5-types", "hdf5-derive", "hdf5-sys"]
+
+[workspace.package]
 version = "0.8.1"  # !V
-authors = ["Ivan Smirnov <i.s.smirnov@gmail.com>"]
+rust-version = "1.64.0"
+authors = ["Ivan Smirnov <aldanor@users.noreply.github.com>", "Magnus Ulimoen <mulimoen@users.noreply.github.com>"]
 keywords = ["hdf5"]
 license = "MIT OR Apache-2.0"
-readme = "README.md"
-description = "Thread-safe Rust bindings for the HDF5 library."
 repository = "https://github.com/aldanor/hdf5-rust"
 homepage = "https://github.com/aldanor/hdf5-rust"
-build = "build.rs"
-edition = "2018"
-categories = ["science", "filesystem"]
-
-[features]
-default = []
-mpio = ["mpi-sys", "hdf5-sys/mpio"]
-lzf = ["lzf-sys", "errno"]
-blosc = ["blosc-sys"]
-# The features with version numbers such as 1.10.3, 1.12.0 are metafeatures
-# and is only available when the HDF5 library is at least this version.
-# Features have_direct and have_parallel are also metafeatures and dependent
-# on the HDF5 library which is linked against.
-
-[workspace]
-members = [".", "hdf5-types", "hdf5-derive", "hdf5-sys", "hdf5-src"]
-default-members = [".", "hdf5-types", "hdf5-derive", "hdf5-sys"]
+edition = "2021"
 
-[dependencies]
-bitflags = "1.2"
-lazy_static = "1.4"
-libc = "0.2"
-parking_lot = "0.11"
-ndarray = "0.15"
-paste = "1.0"
-mpi-sys = { version = "0.1", optional = true }
-errno = { version = "0.2", optional = true }
-hdf5-sys = { path = "hdf5-sys", version = "0.8.1" }  # !V
-hdf5-types = { path = "hdf5-types", version = "0.8.1" }  # !V
-hdf5-derive = { path = "hdf5-derive", version = "0.8.1" }  # !V
-blosc-sys = { version = "0.1.1", package = "blosc-src", optional = true }
-lzf-sys = { version = "0.1", optional = true }
+[workspace.dependencies]
+# external
 cfg-if = "1.0"
-
-[dev-dependencies]
-paste = "1.0"
-pretty_assertions = "1.0"
-rand = { version = "0.8", features = ["small_rng"] }
-regex = "1.3"
-scopeguard = "1.0"
-tempfile = "3.2"
-
-[package.metadata.docs.rs]
-features = ["hdf5-sys/static", "hdf5-sys/zlib", "blosc", "lzf"]
-rustdoc-args = ["--cfg", "docsrs"]
+libc = "0.2"
+libz-sys = { version = "1.1", default-features = false }
+mpi-sys = "0.2"
+regex = "1.8"
+# internal
+hdf5-derive = { version = "0.8.1", path = "hdf5-derive" }  # !V
+hdf5-src = { version = "0.8.1", path = "hdf5-src" }  # !V
+hdf5-sys = { version = "0.8.1", path = "hdf5-sys" }  # !V
+hdf5-types = { version = "0.8.1", path = "hdf5-types" }  # !V

hdf5-derive/Cargo.toml

@@ -1,25 +1,26 @@
 [package]
 name = "hdf5-derive"
-version = "0.8.1"  # !V
-authors = ["Ivan Smirnov <i.s.smirnov@gmail.com>"]
-keywords = ["hdf5"]
-license = "MIT OR Apache-2.0"
 description = "Derive macro for HDF5 structs and enums."
-repository = "https://github.com/aldanor/hdf5-rust"
-homepage = "https://github.com/aldanor/hdf5-rust"
-edition = "2018"
-readme = "README.md"
 categories = ["procedural-macro-helpers"]
+readme = "README.md"
+version.workspace = true
+rust-version.workspace = true
+authors.workspace = true
+keywords.workspace = true
+license.workspace = true
+repository.workspace = true
+homepage.workspace = true
+edition.workspace = true
 
 [lib]
 proc-macro = true
 
 [dependencies]
-proc-macro-error = { version = "1.0.4", default-features = false }
+proc-macro-error = { version = "1.0", default-features = false }
 proc-macro2 = "1.0"
-quote = "^1.0.2"
-syn = { version = "^1.0.5", features = ["derive", "extra-traits"]}
+quote = "1.0"
+syn = { version = "2.0", features = ["derive", "extra-traits"]}
 
 [dev-dependencies]
 trybuild = "1.0"
-hdf5 = { version = ">=0.7.1", path = ".." }
+hdf5 = { version = ">=0.7.1", path = "../hdf5" }

hdf5-derive/src/lib.rs

@@ -8,8 +8,8 @@ use proc_macro2::{Ident, Span, TokenStream};
 use proc_macro_error::{abort, proc_macro_error};
 use quote::{quote, ToTokens};
 use syn::{
-    parse_macro_input, AttrStyle, Attribute, Data, DeriveInput, Expr, Fields, Index, Lit, Meta,
-    NestedMeta, Type, TypeGenerics, TypePath,
+    parse_macro_input, AttrStyle, Attribute, Data, DeriveInput, Expr, Fields, Index, LitStr, Type,
+    TypeGenerics, TypePath,
 };
 
 #[proc_macro_derive(H5Type, attributes(hdf5))]
@@ -107,55 +107,40 @@ fn is_phantom_data(ty: &Type) -> bool {
 }
 
 fn find_repr(attrs: &[Attribute], expected: &[&str]) -> Option<Ident> {
+    let mut repr = None;
     for attr in attrs.iter() {
         if attr.style != AttrStyle::Outer {
             continue;
         }
-        let list = match attr.parse_meta() {
-            Ok(Meta::List(list)) => list,
-            _ => continue,
-        };
-        if !list.path.get_ident().map_or(false, |ident| ident == "repr") {
+        if !attr.path().is_ident("repr") {
             continue;
         }
-        for item in list.nested.iter() {
-            let path = match item {
-                NestedMeta::Meta(Meta::Path(ref path)) => path,
-                _ => continue,
-            };
-            let ident = match path.get_ident() {
-                Some(ident) => ident,
-                _ => continue,
-            };
-            if expected.iter().any(|&s| ident == s) {
-                return Some(Ident::new(&ident.to_string(), Span::call_site()));
+        attr.parse_nested_meta(|meta| {
+            if expected.iter().any(|s| meta.path.is_ident(s)) {
+                if repr.is_some() {
+                    abort!(meta.path, "ambiguous repr attribute");
+                } else {
+                    repr = meta.path.get_ident().cloned();
+                }
             }
-        }
+            Ok(())
+        })
+        .ok()?;
     }
-
-    None
+    repr
 }
 
 fn find_hdf5_rename(attrs: &[Attribute]) -> Option<String> {
-    if let Some(attr) = attrs.iter().find(|a| a.path.is_ident("hdf5")) {
-        if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
-            let rename_literal = meta_list.nested.iter().find_map(|n| {
-                if let NestedMeta::Meta(Meta::NameValue(name_value)) = n {
-                    if name_value.path.is_ident("rename") {
-                        return Some(&name_value.lit);
-                    }
-                }
-
-                None
-            });
-
-            if let Some(Lit::Str(renamed)) = rename_literal {
-                return Some(renamed.value());
-            }
+    let mut rename = None;
+    let attr = attrs.iter().find(|a| a.path().is_ident("hdf5"))?;
+    attr.parse_nested_meta(|meta| {
+        if meta.path.is_ident("rename") && rename.is_none() {
+            rename = Some(meta.value()?.parse::<LitStr>()?.value());
         }
-    }
-
-    None
+        Ok(())
+    })
+    .ok()?;
+    rename
 }
 
 fn pluck<'a, I, F, T, S>(iter: I, func: F) -> Vec<S>

hdf5-src/Cargo.toml

@@ -1,14 +1,8 @@
 [package]
 name = "hdf5-src"
-version = "0.8.1"  # !V
-authors = ["Ivan Smirnov <i.s.smirnov@gmail.com>"]
-keywords = ["hdf5"]
 license-file = "ext/hdf5/COPYING"
 build = "build.rs"
-repository = "https://github.com/aldanor/hdf5-rust"
-homepage = "https://github.com/aldanor/hdf5-rust"
 description = "Build script for compiling HDF5 C library from source."
-edition = "2018"
 links = "hdf5src"
 readme = "README.md"
 categories = ["ffi"]
@@ -26,6 +20,13 @@ exclude = [
     "ext/hdf5/hl/tools/**",
     "ext/hdf5/hl/examples/**",
 ]
+version.workspace = true
+rust-version.workspace = true
+authors.workspace = true
+keywords.workspace = true
+repository.workspace = true
+homepage.workspace = true
+edition.workspace = true
 
 [features]
 hl = []
@@ -34,7 +35,7 @@ deprecated = []
 threadsafe = []
 
 [dependencies]
-libz-sys = { version = "1.0.25", features = ["static", "libc"], optional = true, default-features=false }
+libz-sys = { workspace = true, optional = true, features = ["static", "libc"] }
 
 [build-dependencies]
-cmake = "0.1.44"
+cmake = "0.1"