use own max and min

internal/vss/vss.go

@@ -9,8 +9,6 @@
 package vss
 
 import (
-	"fmt"
-	"math"
 	"os"
 	"path/filepath"
 	"strings"
@@ -22,6 +20,22 @@ import (
 	"golang.org/x/sys/windows"
 )
 
+// Min returns the smaller of a and b.
+func Min[T constraints.Ordered](a, b T) T {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+// Max returns the larger of a and b.
+func Max[T constraints.Ordered](a, b T) T {
+	if a > b {
+		return a
+	}
+	return b
+}
+
 // errNotAdmin is returned when the current user lacks admin privileges.
 var errNotAdmin = fmt.Errorf("vss: do not have Administrators group privileges (%w)",
 	os.ErrPermission)
@@ -109,7 +123,7 @@ func SplitVolume(name string) (vol, rel string, err error) {
 		// relative paths.
 		return "", "", fmt.Errorf("vss: non-absolute path: %s", name)
 	}
-	buf := make([]uint16, math.Max(len(name), syscall.MAX_PATH))
+	buf := make([]uint16, Max(len(name), syscall.MAX_PATH))
 	if err = windows.GetVolumePathName(utf16Ptr(name), &buf[0], uint32(len(buf))); err != nil {
 		return "", "", fmt.Errorf("vss: GetVolumePathName failed for: %s (%w)", name, err)
 	}
@@ -427,7 +441,7 @@ func volumePaths(vol string) ([]string, error) {
 			i++
 		}
 		all = append(all, syscall.UTF16ToString(b[:i]))
-		b = b[math.Min(i+1, len(b)):]
+		b = b[Min(i+1, len(b)):]
 	}
 	return all, nil
 }