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Diffstat (limited to 'vendor/golang.org/x/sys/cpu/parse.go')
-rw-r--r--vendor/golang.org/x/sys/cpu/parse.go43
1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/cpu/parse.go b/vendor/golang.org/x/sys/cpu/parse.go
new file mode 100644
index 0000000..762b63d
--- /dev/null
+++ b/vendor/golang.org/x/sys/cpu/parse.go
@@ -0,0 +1,43 @@
+// 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 := 0; i < len(rel); i++ {
+ if rel[i] == '-' || rel[i] == '+' {
+ rel = rel[:i]
+ break
+ }
+ }
+
+ next := func() (int, bool) {
+ for i := 0; i < len(rel); i++ {
+ 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
+}