squinter 0.3.1

Library to interface with SquashFS filesystems
Documentation 
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/// Dump contents of a SquashFS starting at a specified path
use std::env;
use std::io::{Read, Seek};

use anyhow;
use squinter::squashfs::{self, SquashFS};

fn main() -> anyhow::Result<()> {
    let sqfs_path = env::args().nth(1).unwrap();
    let p = env::args().nth(2).unwrap();

    let mut sqfs = SquashFS::open(&sqfs_path)?;
    let i = sqfs.inode_from_path(p)?;
    read_tree_sqfs(&mut sqfs, i, true)?;
    Ok(())
}

fn read_tree_sqfs<R: Read + Seek>(sqfs: &mut squashfs::SquashFS<R>, top_node: squashfs::metadata::Inode, content: bool) 
    -> anyhow::Result<()> {
    let mut nodes = Vec::new();
    nodes.push(top_node);
    
    while let Some(node) = nodes.pop() {
        assert!(node.is_dir());
        let dir = sqfs.read_dir_inode(&node)?;
        for de in dir {
            let n = sqfs.inode_from_entryref(de.inode_ref())?;
            if content && n.is_file() {
                let mut r = sqfs.open_file_inode(&n)?;
                std::io::copy(&mut r, &mut std::io::sink())?;
            } else if n.is_dir() {
                nodes.push(n);
            }
        }
    }
    Ok(())
}