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Code Issues Activity

echo: fix handling of \0

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This commit is contained in:
Arcterus 2014-06-19 16:26:49 -07:00
parent 76cf0e47ed
commit df6f1ba19c
1 changed files with 10 additions and 8 deletions
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18
echo/echo.rs
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@ -61,19 +61,22 @@ fn convert_str(string: &str, index: uint, base: uint) -> (char, int) {
let mut bytes = vec!();
for offset in range(0, max_digits) {
if string.len() <= index + offset as uint {
break;
}
let c = string[index + offset as uint];
if is_legal_digit(c) {
bytes.push(c as u8);
} else {
if bytes.len() > 0 {
return (to_char(&bytes, base), offset);
} else {
return (' ', offset);
}
break;
}
}
(to_char(&bytes, base), max_digits)
if bytes.len() == 0 {
(' ', 0)
} else {
(to_char(&bytes, base), bytes.len() as int)
}
}
fn parse_options(args: Vec<String>, options: &mut EchoOptions) -> Option<Vec<String>> {
@ -181,8 +184,7 @@ pub fn uumain(args: Vec<String>) -> int {
'0' => {
let (c, num_char_used) = convert_str(string.as_slice(), index + 1, 8u);
if num_char_used == 0 {
print_char('\\');
print_char('0');
print_char('\0');
} else {
print_char(c);
for _ in range(0, num_char_used) {