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seq: Trim whitespaces, then try to remove +

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Otherwise, `seq` crashes with ` 0xee.` as input.

Also update one of the tests to catch that.
This commit is contained in:
Nicolas Boichat 2025-04-04 15:39:12 +02:00
parent bec2cb65b2
commit e0a6482759
2 changed files with 4 additions and 1 deletions
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3
src/uu/seq/src/numberparse.rs
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@ -27,9 +27,10 @@ pub enum ParseNumberError {
// need to be too careful.
fn compute_num_digits(input: &str, ebd: ExtendedBigDecimal) -> PreciseNumber {
let input = input.to_lowercase();
let input = input.trim_start();
// Leading + is ignored for this.
let input = input.trim_start().strip_prefix('+').unwrap_or(&input);
let input = input.strip_prefix('+').unwrap_or(input);
// Integral digits for any hex number is ill-defined (0 is fine as an output)
// Fractional digits for an floating hex number is ill-defined, return None

2
tests/by-util/test_seq.rs
View file

@ -869,6 +869,8 @@ fn test_parse_valid_hexadecimal_float_two_args() {
(["0xA.A9p-1", "6"], "5.33008\n"),
(["0xa.a9p-1", "6"], "5.33008\n"),
(["0xffffffffffp-30", "1024"], "1024\n"), // spell-checker:disable-line
([" 0XA.A9P-1", "6"], "5.33008\n"),
([" 0xee.", " 0xef."], "238\n239\n"),
];
for (input_arguments, expected_output) in &test_cases {