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926893f68c
This was compiling because of the implicit integer conversion on the C side. But -1 was becoming INT32MAX. Which was an invalid fd, so the logs were hidden just as if the fd were -1. But it filled strace with EBADF. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
libtailscale
libtailscale is a C library that embeds Tailscale into a process.
Use this library to compile Tailscale into your program and get an IP address on a tailnet, entirely from userspace.
Building
With the latest version of Go, run:
go build -buildmode=c-archive
This will produce a libtailscale.a file. Link it into your binary,
and use the tailscale.h header to reference it.
It is also possible to build a shared library using
go build -buildmode=c-shared
Bugs
Please file any issues about this code or the hosted service on the issue tracker.
License
BSD 3-Clause for this repository, see LICENSE.