Hey, this is cool! Looking forward to putting it to use in libudev-compat,
since it looks like I'll be needing a way to find a device file's sysfs
path.

-Jude

On Wed, Jan 21, 2015 at 4:11 PM, Isaac Dunham <ibid.ag@???> wrote:

> Hello all,
>
> Those who've been following the list in the last couple days may have seen
> some mention of libsysdev, a library that aims to provide an easy-to-use
> API to get information about devices from sysfs.
> It's available from git at:
> git://github.com/idunham/libsysdev.git
>
> I've just released libsysdev 0.1.0.
> Source code may be found at:
> https://github.com/idunham/libsysdev/archive/0.1.0.tar.gz
> (I'll have to tag releases using a different approach.)
>
> The license is a "0-clause BSD" license, meaning that you can do anything
> you want, without any conditions beyond what the laws of your country
> impose on all software.
>
> This new release exports 5 functions, features pkg-config/pkgconf support,
> has a small sample program at util/devinfo.c, and provides man pages for
> the
> library and the sample program (libsysdev.3 and util/devinfo.1).
>
> There's an initial port of xf86-input-evdev to libsysdev at:
> https://github.com/idunham/xf86-input-evdev
>
> Notes for packagers/builders:
> It's built with make (gnu make/freebsd-make/pmake should work equally
> well),
> configured only using variables that you can set on the command line.
> eg:
>
> make CFLAGS="-O2 -g0" CC=gcc
> make install LIBDIR=/usr/lib/i386-linux-gnu
>
> Other than LIBDIR and CFLAGS, the defaults should be suitable for a
> debian/devuan package.
> The header and docs can be shared by all arches.
>
> Release notes:
> Announcing libsysdev 0.1.0, the first public release.
>
> libsysdev is a library to get information about devices from sysfs.
> No daemons are required; it should be equally compatible with udev, mdev,
> and static /dev.
>
> Requirements are as follows:
> *libc supporting _XOPEN_SOURCE=700 or _XOPEN_SOURCE=600 + _ATFILE_SOURCE,
> and exposing major()/minor() with _BSD_SOURCE defined.
> *c89 or more current compiler.
> *Linux kernel, with sysfs mounted.
> Non-Linux systems don't use sysfs, so this won't work.
> sysfs was introduced in Linux 2.5.x.
> *pkg-config or pkgconf is recommended for development using libsysdev, but
> building with -lsysdev should work.
>
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