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Merge pull request #2845 from jfinkels/unexpand-uresult

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unexpand: return UResult from uumain() function
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Sylvestre Ledru 2022-01-02 19:02:30 +01:00 • committed by GitHub
commit e7dd56c1d5
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1 changed files with 10 additions and 10 deletions
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20
src/uu/unexpand/src/unexpand.rs
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@ -17,6 +17,7 @@ use std::io::{stdin, stdout, BufRead, BufReader, BufWriter, Read, Stdout, Write}
use std::str::from_utf8;
use unicode_width::UnicodeWidthChar;
use uucore::display::Quotable;
use uucore::error::{FromIo, UResult};
use uucore::InvalidEncodingHandling;
static NAME: &str = "unexpand";
@ -90,16 +91,15 @@ impl Options {
}
}
pub fn uumain(args: impl uucore::Args) -> i32 {
#[uucore_procs::gen_uumain]
pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let args = args
.collect_str(InvalidEncodingHandling::Ignore)
.accept_any();
let matches = uu_app().get_matches_from(args);
unexpand(Options::new(matches));
0
unexpand(Options::new(matches)).map_err_context(String::new)
}
pub fn uu_app() -> App<'static, 'static> {
@ -242,7 +242,7 @@ fn next_char_info(uflag: bool, buf: &[u8], byte: usize) -> (CharType, usize, usi
(ctype, cwidth, nbytes)
}
fn unexpand(options: Options) {
fn unexpand(options: Options) -> std::io::Result<()> {
let mut output = BufWriter::new(stdout());
let ts = &options.tabstops[..];
let mut buf = Vec::new();
@ -273,7 +273,7 @@ fn unexpand(options: Options) {
init,
true,
);
crash_if_err!(1, output.write_all(&buf[byte..]));
output.write_all(&buf[byte..])?;
scol = col;
break;
}
@ -293,7 +293,7 @@ fn unexpand(options: Options) {
};
if !tabs_buffered {
crash_if_err!(1, output.write_all(&buf[byte..byte + nbytes]));
output.write_all(&buf[byte..byte + nbytes])?;
scol = col; // now printed up to this column
}
}
@ -318,7 +318,7 @@ fn unexpand(options: Options) {
} else {
0
};
crash_if_err!(1, output.write_all(&buf[byte..byte + nbytes]));
output.write_all(&buf[byte..byte + nbytes])?;
scol = col; // we've now printed up to this column
}
}
@ -337,9 +337,9 @@ fn unexpand(options: Options) {
init,
true,
);
crash_if_err!(1, output.flush());
output.flush()?;
buf.truncate(0); // clear out the buffer
}
}
crash_if_err!(1, output.flush())
output.flush()
}