scryptenc-cli 0.4.1

//
// SPDX-License-Identifier: GPL-3.0-or-later
//
// Copyright (C) 2022-2023 Shun Sakai
//

use std::{
    fs,
    io::{self, Read},
    path::Path,
};

use anyhow::Context;

/// Reads the data to process.
pub fn read(path: &Path) -> anyhow::Result<Vec<u8>> {
    if path == Path::new("-") {
        let mut buf = Vec::new();
        io::stdin()
            .read_to_end(&mut buf)
            .context("could not read data from stdin")?;
        Ok(buf)
    } else {
        fs::read(path).with_context(|| format!("could not read data from {}", path.display()))
    }
}