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2025-01-13all: use Go 1.21's binary.NativeEndianBrad Fitzpatrick1-5/+4
We still use josharian/native (hi @josharian!) via netlink, but I also sent https://github.com/mdlayher/netlink/pull/220 Updates #8632 Change-Id: I2eedcb7facb36ec894aee7f152c8a1f56d7fc8ba Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2023-01-27all: update copyright and license headersWill Norris1-3/+2
This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>
2022-12-12util/endian: delete package; use updated josharian/native insteadBrad Fitzpatrick1-4/+4
See josharian/native#3 Updates golang/go#57237 Change-Id: I238c04c6654e5b9e7d9cfb81a7bbc5e1043a84a2 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-08-28util/cstruct: add package for decoding padded C structures (#5429)Andrew Dunham1-0/+179
I was working on my "dump iptables rules using only syscalls" branch and had a bunch of C structure decoding to do. Rather than manually calculating the padding or using unsafe trickery to actually cast variable-length structures to Go types, I'd rather use a helper package that deals with padding for me. Padding rules were taken from the following article: http://www.catb.org/esr/structure-packing/ Signed-off-by: Andrew Dunham <andrew@du.nham.ca>