swab(1): uses pledge(2)
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12
src/swab.rs
12
src/swab.rs
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@ -32,6 +32,10 @@ use getopt::GetOpt;
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use sysexits::{ EX_IOERR, EX_OK, EX_OSERR, EX_USAGE };
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use strerror::StrError;
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#[cfg(target_os="openbsd")] extern crate openbsd;
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#[cfg(target_os="openbsd")] use openbsd::{ Promises, pledge };
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fn oserr(argv0: &str, e: Error) -> ExitCode {
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eprintln!("{}: {}", argv0, e.strerror());
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ExitCode::from(EX_OSERR as u8)
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@ -49,6 +53,14 @@ fn usage(s: &str) -> ExitCode {
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fn main() -> ExitCode {
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let argv = args().collect::<Vec<String>>();
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if cfg!(target_os="openbsd") {
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let promises = Promises::new("stdio");
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if let Err(e) = pledge(Some(promises), None) {
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return oserr(&argv[0], e);
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}
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}
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let mut buf: Vec<u8> = Vec::new(); // holds the sequence getting swabbed
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let mut input = stdin();
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let mut output = stdout().lock();
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