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uucore: retrieve the Locale encoding from env variables

This commit is contained in:
Dorian Peron 2025-06-14 02:23:21 +02:00
parent 05eb7ee374
commit 231b0e5c59
7 changed files with 687 additions and 120 deletions

358
Cargo.lock generated
View file

@ -4,9 +4,9 @@ version = 4
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[[package]]
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View file

@ -1,7 +1,7 @@
# coreutils (uutils)
# * see the repository LICENSE, README, and CONTRIBUTING files for more information
# spell-checker:ignore (libs) bigdecimal datetime serde bincode gethostid kqueue libselinux mangen memmap uuhelp startswith constness expl
# spell-checker:ignore (libs) bigdecimal datetime serde bincode gethostid kqueue libselinux mangen memmap uuhelp startswith constness expl unnested
[package]
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jiff = { version = "0.2.10", default-features = false, features = [

372
fuzz/Cargo.lock generated
View file

@ -28,9 +28,9 @@ dependencies = [
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[[package]]
@ -1423,6 +1596,8 @@ dependencies = [
"fluent-syntax",
"glob",
"hex",
"icu_collator",
"icu_locale",
"itertools",
"libc",
"md-5",
@ -1440,7 +1615,7 @@ dependencies = [
"uucore_procs",
"wild",
"winapi-util",
"windows-sys 0.60.1",
"windows-sys 0.60.2",
"z85",
]
@ -1500,9 +1675,9 @@ checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
version = "0.11.1+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
[[package]]
name = "wasi"
@ -1626,9 +1801,9 @@ dependencies = [
[[package]]
name = "windows-link"
version = "0.1.1"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38"
checksum = "5e6ad25900d524eaabdbbb96d20b4311e1e7ae1699af4fb28c17ae66c80d798a"
[[package]]
name = "windows-result"
@ -1659,11 +1834,11 @@ dependencies = [
[[package]]
name = "windows-sys"
version = "0.60.1"
version = "0.60.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b36e9ed89376c545e20cbf5a13c306b49106b21b9d1d4f9cb9a1cb6b1e9ee06a"
checksum = "f2f500e4d28234f72040990ec9d39e3a6b950f9f22d3dba18416c35882612bcb"
dependencies = [
"windows-targets 0.53.1",
"windows-targets 0.53.2",
]
[[package]]
@ -1684,9 +1859,9 @@ dependencies = [
[[package]]
name = "windows-targets"
version = "0.53.1"
version = "0.53.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "30357ec391cde730f8fbfcdc29adc47518b06504528df977ab5af02ef23fdee9"
checksum = "c66f69fcc9ce11da9966ddb31a40968cad001c5bedeb5c2b82ede4253ab48aef"
dependencies = [
"windows_aarch64_gnullvm 0.53.0",
"windows_aarch64_msvc 0.53.0",
@ -1803,6 +1978,36 @@ dependencies = [
"bitflags",
]
[[package]]
name = "writeable"
version = "0.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ea2f10b9bb0928dfb1b42b65e1f9e36f7f54dbdf08457afefb38afcdec4fa2bb"
[[package]]
name = "yoke"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5f41bb01b8226ef4bfd589436a297c53d118f65921786300e427be8d487695cc"
dependencies = [
"serde",
"stable_deref_trait",
"yoke-derive",
"zerofrom",
]
[[package]]
name = "yoke-derive"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "38da3c9736e16c5d3c8c597a9aaa5d1fa565d0532ae05e27c24aa62fb32c0ab6"
dependencies = [
"proc-macro2",
"quote",
"syn",
"synstructure",
]
[[package]]
name = "z85"
version = "3.0.6"
@ -1834,6 +2039,32 @@ name = "zerofrom"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50cc42e0333e05660c3587f3bf9d0478688e15d870fab3346451ce7f8c9fbea5"
dependencies = [
"zerofrom-derive",
]
[[package]]
name = "zerofrom-derive"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
dependencies = [
"proc-macro2",
"quote",
"syn",
"synstructure",
]
[[package]]
name = "zerotrie"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "36f0bbd478583f79edad978b407914f61b2972f5af6fa089686016be8f9af595"
dependencies = [
"displaydoc",
"yoke",
"zerofrom",
]
[[package]]
name = "zerovec"
@ -1841,5 +2072,18 @@ version = "0.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4a05eb080e015ba39cc9e23bbe5e7fb04d5fb040350f99f34e338d5fdd294428"
dependencies = [
"yoke",
"zerofrom",
"zerovec-derive",
]
[[package]]
name = "zerovec-derive"
version = "0.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b96237efa0c878c64bd89c436f661be4e46b2f3eff1ebb976f7ef2321d2f58f"
dependencies = [
"proc-macro2",
"quote",
"syn",
]

View file

@ -27,6 +27,10 @@ dns-lookup = { workspace = true, optional = true }
dunce = { version = "1.0.4", optional = true }
wild = "2.2.1"
glob = { workspace = true, optional = true }
icu_collator = { workspace = true, optional = true, features = [
"compiled_data",
] }
icu_locale = { workspace = true, optional = true, features = ["compiled_data"] }
itertools = { workspace = true, optional = true }
time = { workspace = true, optional = true, features = [
"formatting",
@ -106,6 +110,7 @@ format = [
"num-traits",
"quoting-style",
]
i18n = ["icu_collator", "icu_locale"]
mode = ["libc"]
perms = ["entries", "libc", "walkdir"]
buf-copy = []
@ -113,7 +118,7 @@ parser = ["extendedbigdecimal", "glob", "num-traits"]
pipes = []
process = ["libc"]
proc-info = ["tty", "walkdir"]
quoting-style = []
quoting-style = ["i18n"]
ranges = []
ringbuffer = []
selinux = ["dep:selinux"]

View file

@ -26,6 +26,8 @@ pub mod format;
pub mod fs;
#[cfg(feature = "fsext")]
pub mod fsext;
#[cfg(feature = "i18n")]
pub mod i18n;
#[cfg(feature = "lines")]
pub mod lines;
#[cfg(feature = "parser")]

View file

@ -0,0 +1,62 @@
use std::sync::OnceLock;
use icu_locale::{Locale, locale};
/// The encoding specified by the locale, if specified
/// Currently only supports ASCII and UTF-8 for the sake of simplicity.
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum UEncoding {
Ascii,
Utf8,
}
const DEFAULT_LOCALE: Locale = locale!("en-US-posix");
/// Deduce the locale from the current environment
fn get_collating_locale() -> &'static (Locale, UEncoding) {
static COLLATING_LOCALE: OnceLock<(Locale, UEncoding)> = OnceLock::new();
COLLATING_LOCALE.get_or_init(|| {
// Look at 3 environment variables in the following order
//
// 1. LC_ALL
// 2. LC_COLLATE
// 3. LANG
//
// Or fallback on Posix locale, with ASCII encoding.
let locale_var = std::env::var("LC_ALL")
.or_else(|_| std::env::var("LC_COLLATE"))
.or_else(|_| std::env::var("LANG"));
if let Ok(locale_var_str) = locale_var {
let mut split = locale_var_str.split(&['.', '@']);
if let Some(simple) = split.next() {
let bcp47 = simple.replace("_", "-");
let locale = Locale::try_from_str(&bcp47).unwrap_or(DEFAULT_LOCALE);
// If locale parsing failed, parse the encoding part of the
// locale. Treat the special case of the given locale being "C"
// which becomes the default locale.
let encoding = if (locale != DEFAULT_LOCALE || bcp47 == "C")
&& split.next() == Some("UTF-8")
{
UEncoding::Utf8
} else {
UEncoding::Ascii
};
return (locale, encoding);
} else {
return (DEFAULT_LOCALE, UEncoding::Ascii);
};
}
// Default POSIX locale representing LC_ALL=C
(DEFAULT_LOCALE, UEncoding::Ascii)
})
}
/// Return the encoding deduced from the locale environment variable.
pub fn get_locale_encoding() -> UEncoding {
get_collating_locale().1
}

View file

@ -51,6 +51,8 @@ pub use crate::features::fast_inc;
pub use crate::features::format;
#[cfg(feature = "fs")]
pub use crate::features::fs;
#[cfg(feature = "i18n")]
pub use crate::features::i18n;
#[cfg(feature = "lines")]
pub use crate::features::lines;
#[cfg(feature = "parser")]