Merge branch 'main' into sigtrap_si_codes

.cirrus.yml

@@ -3,6 +3,9 @@ task:
   env:
     HOME: /tmp  # cargo cache needs it
     TARGET: x86_64-unknown-freebsd
+    # FIXME(freebsd): FreeBSD has a segfault when `RUST_BACKTRACE` is set
+    # https://github.com/rust-lang/rust/issues/132185
+    RUST_BACKTRACE: "0"
   matrix:
     - name: nightly freebsd-13 i686
       # Test i686 FreeBSD in 32-bit emulation on a 64-bit host.

.github/workflows/ci.yaml

@@ -135,7 +135,9 @@ jobs:
           - i686-unknown-linux-musl
           - loongarch64-unknown-linux-gnu
           - loongarch64-unknown-linux-musl
-          - powerpc-unknown-linux-gnu
+          # FIXME(ppc): SIGILL running tests, see
+          # https://github.com/rust-lang/libc/pull/4254#issuecomment-2636288713
+          # - powerpc-unknown-linux-gnu
           - powerpc64-unknown-linux-gnu
           - powerpc64le-unknown-linux-gnu
           - riscv64gc-unknown-linux-gnu

.gitignore

@@ -1,4 +1,3 @@
 target
 Cargo.lock
 *~
-style

build.rs

@@ -44,7 +44,6 @@ fn main() {
     let rustc_dep_of_std = env::var("CARGO_FEATURE_RUSTC_DEP_OF_STD").is_ok();
     let libc_ci = env::var("LIBC_CI").is_ok();
     let libc_check_cfg = env::var("LIBC_CHECK_CFG").is_ok() || rustc_minor_ver >= 80;
-    let linux_time_bits64 = env::var("RUST_LIBC_UNSTABLE_LINUX_TIME_BITS64").is_ok();
 
     // The ABI of libc used by std is backward compatible with FreeBSD 12.
     // The ABI of libc from crates.io is backward compatible with FreeBSD 12.
@@ -81,6 +80,8 @@ fn main() {
         Some(_) | None => (),
     }
 
+    let linux_time_bits64 = env::var("RUST_LIBC_UNSTABLE_LINUX_TIME_BITS64").is_ok();
+    println!("cargo:rerun-if-env-changed=RUST_LIBC_UNSTABLE_LINUX_TIME_BITS64");
     if linux_time_bits64 {
         set_cfg("linux_time_bits64");
     }

ci/run.sh

@@ -81,6 +81,7 @@ if [ -n "${QEMU:-}" ]; then
 fi
 
 cmd="cargo test --target $target ${LIBC_CI_ZBUILD_STD+"-Zbuild-std"}"
+test_flags="--skip check_style"
 
 # Run tests in the `libc` crate
 case "$target" in
@@ -101,25 +102,31 @@ if [ "$target" = "s390x-unknown-linux-gnu" ]; then
     passed=0
     until [ $n -ge $N ]; do
         if [ "$passed" = "0" ]; then
-            if $cmd --no-default-features; then
+            # shellcheck disable=SC2086
+            if $cmd --no-default-features -- $test_flags; then
                 passed=$((passed+1))
                 continue
             fi
         elif [ "$passed" = "1" ]; then
-            if $cmd; then
+            # shellcheck disable=SC2086
+            if $cmd -- $test_flags; then
                 passed=$((passed+1))
                 continue
             fi
         elif [ "$passed" = "2" ]; then
-            if $cmd --features extra_traits; then
+            # shellcheck disable=SC2086
+            if $cmd --features extra_traits -- $test_flags; then
                 break
             fi
         fi
         n=$((n+1))
         sleep 1
     done
 else
-    $cmd --no-default-features
-    $cmd
-    $cmd --features extra_traits
+    # shellcheck disable=SC2086
+    $cmd --no-default-features -- $test_flags
+    # shellcheck disable=SC2086
+    $cmd -- $test_flags
+    # shellcheck disable=SC2086
+    $cmd --features extra_traits -- $test_flags
 fi

ci/runtest-android.rs

@@ -1,11 +1,11 @@
 use std::env;
-use std::process::Command;
 use std::path::{Path, PathBuf};
+use std::process::Command;
 
 fn main() {
     let args = env::args_os()
         .skip(1)
-        .filter(|arg| arg != "--quiet")
+        .filter(|arg| arg != "--quiet" && arg != "--skip" && arg != "check_style")
         .collect::<Vec<_>>();
     assert_eq!(args.len(), 1);
     let test = PathBuf::from(&args[0]);
@@ -36,14 +36,16 @@ fn main() {
     let stdout = String::from_utf8_lossy(&output.stdout);
     let stderr = String::from_utf8_lossy(&output.stderr);
 
-    println!("status: {}\nstdout ---\n{}\nstderr ---\n{}",
-             output.status,
-             stdout,
-             stderr);
+    println!(
+        "status: {}\nstdout ---\n{}\nstderr ---\n{}",
+        output.status, stdout, stderr
+    );
 
-    if !stderr.lines().any(|l| (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok"))
-        && !stdout.lines().any(|l| (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok"))
-    {
+    if !stderr.lines().any(|l| {
+        (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok")
+    }) && !stdout.lines().any(|l| {
+        (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok")
+    }) {
         panic!("failed to find successful test run");
     };
 }

ci/style.sh

@@ -9,7 +9,7 @@ if [ -n "${CI:-}" ]; then
     check="--check"
 fi
 
-rustc ci/style.rs && ./style src
+cargo test --manifest-path libc-test/Cargo.toml --test style -- --nocapture
 
 command -v rustfmt
 rustfmt -V

libc-test/Cargo.toml

@@ -15,6 +15,12 @@ A test crate for the libc crate.
 [dependencies]
 libc = { path = "..", version = "1.0.0-alpha.1", default-features = false }
 
+[dev-dependencies]
+syn = { version = "2.0.91", features = ["full", "visit"] }
+proc-macro2 = { version = "1.0.92", features = ["span-locations"] }
+glob = "0.3.2"
+annotate-snippets = { version = "0.11.5", features = ["testing-colors"] }
+
 [build-dependencies]
 cc = "1.0.83"
 # FIXME: Use fork ctest until the maintainer gets back.
@@ -90,3 +96,13 @@ harness = false
 name = "primitive_types"
 path = "test/primitive_types.rs"
 harness = true
+
+[[test]]
+name = "style"
+path = "test/check_style.rs"
+harness = true
+
+[[test]]
+name = "style_tests"
+path = "test/style_tests.rs"
+harness = true