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author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2019-06-25 21:40:38 +0200 |
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committer | GitHub <noreply@github.com> | 2019-06-25 21:40:38 +0200 |
commit | 5b7086abda91f4301af3bfb642d416a22349c276 (patch) | |
tree | bf139f29b261e55c161394637f1c7073da5103f0 /vendor/github.com/prometheus/common/model/fnv.go | |
parent | a488e197a6e3947dd420b40ed834b50db9c829c3 (diff) | |
parent | 2388222e98462fdbbe44f3e091b2b79d80956a9a (diff) | |
download | podman-5b7086abda91f4301af3bfb642d416a22349c276.tar.gz podman-5b7086abda91f4301af3bfb642d416a22349c276.tar.bz2 podman-5b7086abda91f4301af3bfb642d416a22349c276.zip |
Merge pull request #3418 from vrothberg/go-modules
update dependencies
Diffstat (limited to 'vendor/github.com/prometheus/common/model/fnv.go')
-rw-r--r-- | vendor/github.com/prometheus/common/model/fnv.go | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/common/model/fnv.go b/vendor/github.com/prometheus/common/model/fnv.go new file mode 100644 index 000000000..038fc1c90 --- /dev/null +++ b/vendor/github.com/prometheus/common/model/fnv.go @@ -0,0 +1,42 @@ +// Copyright 2015 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +// Inline and byte-free variant of hash/fnv's fnv64a. + +const ( + offset64 = 14695981039346656037 + prime64 = 1099511628211 +) + +// hashNew initializies a new fnv64a hash value. +func hashNew() uint64 { + return offset64 +} + +// hashAdd adds a string to a fnv64a hash value, returning the updated hash. +func hashAdd(h uint64, s string) uint64 { + for i := 0; i < len(s); i++ { + h ^= uint64(s[i]) + h *= prime64 + } + return h +} + +// hashAddByte adds a byte to a fnv64a hash value, returning the updated hash. +func hashAddByte(h uint64, b byte) uint64 { + h ^= uint64(b) + h *= prime64 + return h +} |