sort: use locale decimal separator for general numeric parse

src/uu/sort/src/sort.rs

@@ -45,6 +45,7 @@ use uucore::error::{FromIo, strip_errno};
 use uucore::error::{UError, UResult, USimpleError, UUsageError};
 use uucore::extendedbigdecimal::ExtendedBigDecimal;
 use uucore::format_usage;
+use uucore::i18n::decimal::locale_decimal_separator;
 use uucore::line_ending::LineEnding;
 use uucore::parser::num_parser::{ExtendedParser, ExtendedParserError};
 use uucore::parser::parse_size::{ParseSizeError, Parser};
@@ -111,8 +112,6 @@ mod options {
     pub const FILES: &str = "files";
 }
 
-const DECIMAL_PT: u8 = b'.';
-
 const NEGATIVE: &u8 = &b'-';
 const POSITIVE: &u8 = &b'+';
 
@@ -2048,7 +2047,10 @@ fn get_leading_gen(inp: &[u8]) -> Range<usize> {
             continue;
         }
 
-        if c == DECIMAL_PT && !had_decimal_pt && !had_e_notation {
+        if locale_decimal_separator().as_bytes().first() == Some(&c)
+            && !had_decimal_pt
+            && !had_e_notation
+        {
             had_decimal_pt = true;
             continue;
         }

src/uucore/Cargo.toml

@@ -150,7 +150,7 @@ i18n-decimal = ["i18n-common", "icu_decimal", "icu_provider"]
 mode = ["libc"]
 perms = ["entries", "libc", "walkdir"]
 buf-copy = []
-parser-num = ["extendedbigdecimal", "num-traits"]
+parser-num = ["extendedbigdecimal", "num-traits", "i18n-decimal"]
 parser-size = ["parser-num", "procfs"]
 parser-glob = ["glob"]
 parser = ["parser-num", "parser-size", "parser-glob"]

src/uucore/src/lib/features/parser/num_parser.rs

@@ -18,6 +18,7 @@ use num_traits::ToPrimitive;
 use num_traits::Zero;
 
 use crate::extendedbigdecimal::ExtendedBigDecimal;
+use crate::i18n::decimal::locale_decimal_separator;
 
 /// Base for number parsing
 #[derive(Clone, Copy, PartialEq)]
@@ -291,9 +292,9 @@ fn parse_digits(base: Base, str: &str, fractional: bool) -> (Option<BigUint>, i6
     let (digits, rest) = base.parse_digits(str);
 
     // If allowed, parse the fractional part of the number if there can be one and the
-    // input contains a '.' decimal separator.
+    // input contains the locale-specific decimal separator.
     if fractional {
-        if let Some(rest) = rest.strip_prefix('.') {
+        if let Some(rest) = rest.strip_prefix(locale_decimal_separator()) {
             return base.parse_digits_count(rest, digits);
         }
     }