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swab(1): remove -f

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This commit is contained in:
dtb 2024-07-08 11:30:21 -06:00
parent bf06e91be5
commit a141b95293
Signed by: trinity
GPG Key ID: 34C0543BBB6AF81B
2 changed files with 3 additions and 9 deletions
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3
docs/swab.1
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@ -11,7 +11,6 @@ swab \(en swap bytes
.SH SYNOPSIS .SH SYNOPSIS
swab swab
.RB [ -f ]
.RB [ -w\ word_size ] .RB [ -w\ word_size ]
.\" .\"
.SH DESCRIPTION .SH DESCRIPTION
@ -20,8 +19,6 @@ Swap the latter and former halves of a block of bytes.
.\" .\"
.SH OPTIONS .SH OPTIONS
.IP \fB-f\fP
Ignore SIGINT signal.
.IP \fB-w\fP\ \fIword_size\fP .IP \fB-w\fP\ \fIword_size\fP
Configures the word size; that is, the size in bytes of the block size on which Configures the word size; that is, the size in bytes of the block size on which
to operate. The default word size is 2. The word size must be cleanly divisible to operate. The default word size is 2. The word size must be cleanly divisible

9
src/swab.rs
View File

@ -18,7 +18,7 @@
use std::{ use std::{
env::args, env::args,
io::{ stdin, stdout, Error, ErrorKind, Read, Write }, io::{ stdin, stdout, Error, Read, Write },
process::ExitCode, process::ExitCode,
vec::Vec vec::Vec
}; };
@ -38,7 +38,7 @@ fn oserr(s: &str, e: Error) -> ExitCode {
} }
fn usage(s: &str) -> ExitCode { fn usage(s: &str) -> ExitCode {
eprintln!("Usage: {} [-f] [-w word_size]", s); eprintln!("Usage: {} [-w word_size]", s);
ExitCode::from(EX_USAGE as u8) ExitCode::from(EX_USAGE as u8)
} }
@ -48,12 +48,10 @@ fn main() -> ExitCode {
let mut input = stdin(); let mut input = stdin();
let mut output = stdout().lock(); let mut output = stdout().lock();
let mut force = false;
let mut wordsize: usize = 2; let mut wordsize: usize = 2;
while let Some(opt) = argv.getopt("fw:") { while let Some(opt) = argv.getopt("w:") {
match opt.opt() { match opt.opt() {
Ok("f") => force = true,
Ok("w") => { Ok("w") => {
if let Some(arg) = opt.arg() { if let Some(arg) = opt.arg() {
match arg.parse::<usize>() { match arg.parse::<usize>() {
@ -83,7 +81,6 @@ fn main() -> ExitCode {
break oserr(&argv[0], e) break oserr(&argv[0], e)
} }
}, },
Err(e) if e.kind() == ErrorKind::Interrupted && force => continue,
Err(e) => break oserr(&argv[0], e) Err(e) => break oserr(&argv[0], e)
} }
} }