ddidderr
8e241eaa28
The --list stdin callback was a stateless string predicate: it ignored its opaque context and compared the input name with the fixed stdin marker. Move that callback under its existing caller symbol into the Rust CLI archive, so C no longer owns this policy leaf. The Rust implementation preserves the callback ABI and returns the same 1/0 result for the marker and ordinary names. File opening, frame parsing, diagnostics, human-readable formatting, private file-info storage, and list orchestration remain C-owned. The optional codec-version helpers remain untouched because their build-time library configuration is not propagated to the Rust archive. Test Plan: - `clang -fsyntax-only -Iprograms -Ilib -Ilib/common -Ilib/compress -Ilib/decompress -Ilib/dictBuilder programs/fileio.c` -- passed. - `rustfmt --edition 2021 --check --config skip_children=true rust/cli/src/lib.rs` -- passed. - `git diff --check` and `git diff --cached --check` -- passed. - Cargo, clippy, native builds, and upstream tests were not run per the explicit no-heavy-command constraint.
70 lines
1.9 KiB
Rust
70 lines
1.9 KiB
Rust
#[cfg(any(feature = "benchmark", feature = "helpers"))]
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#[path = "../../src/benchfn.rs"]
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mod benchfn;
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#[cfg(feature = "benchmark")]
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#[path = "../../src/benchzstd.rs"]
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mod benchzstd;
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#[cfg(any(feature = "benchmark", feature = "helpers"))]
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#[path = "../../src/datagen.rs"]
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mod datagen;
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#[cfg(all(feature = "cli", feature = "dict-builder"))]
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#[path = "../../src/dibio.rs"]
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mod dibio;
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#[cfg(feature = "cli")]
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#[path = "../../src/fileio_backend.rs"]
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mod fileio_backend;
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#[cfg(feature = "cli")]
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#[path = "../../src/fileio_prefs.rs"]
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mod fileio_prefs;
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#[cfg(any(feature = "benchmark", feature = "helpers"))]
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#[path = "../../src/lorem.rs"]
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mod lorem;
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#[path = "../../src/timefn.rs"]
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mod timefn;
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#[path = "../../src/util.rs"]
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mod util;
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#[cfg(feature = "cli")]
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#[path = "../../src/zstd_cli.rs"]
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mod zstd_cli;
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#[cfg(feature = "cli")]
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#[path = "../../src/zstdcli_trace.rs"]
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mod zstdcli_trace;
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#[cfg(feature = "cli")]
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use std::ffi::c_void;
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#[cfg(feature = "cli")]
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use std::os::raw::{c_char, c_int};
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/// Match the C `--list` stdin callback without crossing any file-I/O state.
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#[cfg(feature = "cli")]
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#[no_mangle]
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pub unsafe extern "C" fn FIO_listFileIsStdin(
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_opaque: *mut c_void,
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file_name: *const c_char,
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) -> c_int {
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assert!(!file_name.is_null());
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c_int::from(unsafe { libc::strcmp(file_name, c"/*stdin*\\".as_ptr()) == 0 })
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}
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#[cfg(all(test, feature = "cli"))]
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mod tests {
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use super::FIO_listFileIsStdin;
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use std::ffi::CString;
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use std::ptr;
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#[test]
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fn list_stdin_callback_matches_only_the_stdin_marker() {
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let stdin_name = CString::new("/*stdin*\\").unwrap();
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let ordinary_name = CString::new("input.zst").unwrap();
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assert_eq!(
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unsafe { FIO_listFileIsStdin(ptr::null_mut(), stdin_name.as_ptr()) },
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1
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);
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assert_eq!(
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unsafe { FIO_listFileIsStdin(ptr::null_mut(), ordinary_name.as_ptr()) },
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0
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);
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}
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}
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