读取 SquashFS 存档
（SquashFS 是一个压缩文件系统 - http://en.wikipedia.org/wiki/SquashFS）
我正在寻找一种从程序读取 SquashFS 文件系统的方法。到目前为止，我已经了解了它的内核驱动程序，但我确信它的用户空间库必须存在于某个地方。任何语言都可以，但 C 是首选。
仅安装文件系统并以这种方式使用它在技术上是可行的，但我宁愿避免这种路线，因为我正在查看的应用程序将涉及在任何给定时间处理至少几十个档案。
(SquashFS is a compressed filesystem - http://en.wikipedia.org/wiki/SquashFS)
I'm looking for a way to read a SquashFS filesystem from a program. So far, I've know about the in-kernel drivers for it, but I'm sure that a userspace library for it must exist somewhere. Any language would be fine, but C is preferred.
Just mounting the filesystem and using it that way is technically possible, but I'd rather avoid that route because the application I'm looking at would involve working with at least a few dozen archives at any given time.
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有一个名为
unsquashfs的工具，它可以提取类似于tar的 squashfs 映像。它应该与 mksquashfs 捆绑在一起There is a tool called
unsquashfswhich extracts the squashfs image akin totar. It should be bundled withmksquashfs我刚刚从squashfs.sourceforce.net下载了代码tarball，里面没有内核代码。
mksquashfs和unsquashfs仅使用 C 语言编写用户态代码。您可能可以从 unsquashfs 中提取代码。
I just downloaded the code tarball from squashfs.sourceforce.net and there is no kernel code in there. Only userland code in C for
mksquashfsandunsquashfs.You could probably extract code from unsquashfs.
mksquashfs和unsquashfs在我的 Red Hat 系统上打包为“squashfs-tools”：请注意，挤压和取消挤压的速度非常慢。我编写的用于取消压缩、修改和重新压缩 87M
stage2.img文件的脚本需要几分钟的时间。mksquashfsandunsquashfsare packaged as "squashfs-tools" on my Red Hat system:Be warned that squashing and unsquashing are painfully slow. It takes several minutes for a script I wrote to unsquash, modify, and re-squash an 87M
stage2.imgfile.