| commit | 815a5e29f434281c9ae3740ad43aadd4464ae15e | [log] [tgz] |
|---|---|---|
| author | Daniel Martí <mvdan@mvdan.cc> | Sat Sep 26 21:00:37 2020 +0100 |
| committer | Daniel Martí <mvdan@mvdan.cc> | Tue Sep 29 10:52:55 2020 +0000 |
| tree | 0ed989a5abeaffe741fa9b4ccdb99f78baf72ba8 | |
| parent | a28edbfca276307b228eb4b154bc2d137a3cba4a [diff] |
cmd/go: fix doc math for build cache hashing The function takes five 24-bit chunks from the hash, resulting in 120 bits. When base-64 encoded, this results in a 20-byte output string, which is confirmed by "var dst [chunks * 4]byte". It seems like the documented math could have been written for a previous implementation with shorter hashes, using 4 chunks instead of 5, as then the math checks out. Since this code has been working correctly for over three years, let's fix the documentation to reflect the code. Change-Id: I9e908e6bafb5dcc1e3c23915e2b6c8843ed444d6 Reviewed-on: https://go-review.googlesource.com/c/go/+/257646 Trust: Daniel Martí <mvdan@mvdan.cc> Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com>
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