sqsh-rs 0.2.1

A Rust wrapper around the libsqsh library
Documentation 
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use crate::{error, Archive, Inode, InodeRef};
use sqsh_sys as ffi;
use std::ptr;

impl Archive<'_> {
    pub fn inode_map(&self) -> error::Result<InodeMap<'_>> {
        let mut dst = ptr::null_mut();
        let err = unsafe { ffi::sqsh_archive_inode_map(self.inner.as_ptr(), &mut dst) };
        let inner = unsafe {
            match dst.as_ref() {
                Some(inner) => inner,
                None => return Err(error::new(err)),
            }
        };
        Ok(InodeMap { inner })
    }
}

/// A map of inodes to inode references.
///
/// This is used to look up inode references by inode number.
///
/// Note that this may or may not be a complete map of all inodes in the archive: if
/// an export table is present, this will contain all inodes, but if not, this will only contain
/// inodes that have been visited.
pub struct InodeMap<'archive> {
    inner: &'archive ffi::SqshInodeMap,
}

impl<'archive> InodeMap<'archive> {
    /// Gets the inode reference for a given inode number.
    pub fn get(&self, inode_number: Inode) -> error::Result<InodeRef> {
        let mut err = 0;
        let inode_ref =
            unsafe { ffi::sqsh_inode_map_get2(self.inner, inode_number.0.get(), &mut err) };
        if err != 0 {
            return Err(error::new(err));
        }
        Ok(InodeRef(inode_ref))
    }

    // TODO: sqsh_inode_map_set
}