Files
sys/cpu/parse.go
Tobias Klauser 01aaa8342f all: simplify code by using modern Go constructs
Generated using modernize by running:

    go run golang.org/x/tools/gopls/internal/analysis/modernize/cmd/modernize@latest -fix -test ./...

Change-Id: Ifc7d61cf6735cc53f2bdf890a338961f55075af5
Reviewed-on: https://go-review.googlesource.com/c/sys/+/661975
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
2025-04-03 13:04:48 -07:00

44 lines
1017 B
Go

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cpu
import "strconv"
// parseRelease parses a dot-separated version number. It follows the semver
// syntax, but allows the minor and patch versions to be elided.
//
// This is a copy of the Go runtime's parseRelease from
// https://golang.org/cl/209597.
func parseRelease(rel string) (major, minor, patch int, ok bool) {
// Strip anything after a dash or plus.
for i := range len(rel) {
if rel[i] == '-' || rel[i] == '+' {
rel = rel[:i]
break
}
}
next := func() (int, bool) {
for i := range len(rel) {
if rel[i] == '.' {
ver, err := strconv.Atoi(rel[:i])
rel = rel[i+1:]
return ver, err == nil
}
}
ver, err := strconv.Atoi(rel)
rel = ""
return ver, err == nil
}
if major, ok = next(); !ok || rel == "" {
return
}
if minor, ok = next(); !ok || rel == "" {
return
}
patch, ok = next()
return
}