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echo: check argument length when parsing options

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Arcterus 2014-06-20 15:12:08 -07:00
parent b3f83378b7
commit fc7f291a68
1 changed files with 1 additions and 1 deletions
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2
echo/echo.rs
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@ -96,7 +96,7 @@ fn parse_options(args: Vec<String>, options: &mut EchoOptions) -> Option<Vec<Str
"-e" => options.escape = true,
"-E" => options.escape = false,
_ => {
if arg.as_slice().char_at(0) == '-' && arg.len() > 1 {
if arg.len() > 1 && arg.as_slice().char_at(0) == '-' {
let mut newopts = options.clone();
let argptr: *String = &arg; // escape from the borrow checker
for ch in unsafe { (*argptr).as_slice() }.chars().skip(1) {