vendor: cadvisor v0.38.4

vendor/github.com/karrick/godirwalk/readdir_windows.go

@@ -1,54 +1,66 @@
+// +build windows
+
 package godirwalk
 
-import (
-	"os"
+import "os"
 
-	"github.com/pkg/errors"
-)
+// MinimumScratchBufferSize specifies the minimum size of the scratch buffer
+// that ReadDirents, ReadDirnames, Scanner, and Walk will use when reading file
+// entries from the operating system. During program startup it is initialized
+// to the result from calling `os.Getpagesize()` for non Windows environments,
+// and 0 for Windows.
+var MinimumScratchBufferSize = 0
 
-// The functions in this file are mere wrappers of what is already provided by
-// standard library, in order to provide the same API as this library provides.
-//
-// The scratch buffer argument is ignored by this architecture.
-//
-// Please send PR or link to article if you know of a more performant way of
-// enumerating directory contents and mode types on Windows.
+func newScratchBuffer() []byte { return nil }
 
-func readdirents(osDirname string, _ []byte) (Dirents, error) {
+func readDirents(osDirname string, _ []byte) ([]*Dirent, error) {
 	dh, err := os.Open(osDirname)
 	if err != nil {
-		return nil, errors.Wrap(err, "cannot Open")
+		return nil, err
 	}
 
-	fileinfos, err := dh.Readdir(0)
-	if er := dh.Close(); err == nil {
-		err = er
-	}
+	fileinfos, err := dh.Readdir(-1)
 	if err != nil {
-		return nil, errors.Wrap(err, "cannot Readdir")
+		_ = dh.Close()
+		return nil, err
 	}
 
-	entries := make(Dirents, len(fileinfos))
-	for i, info := range fileinfos {
-		entries[i] = &Dirent{name: info.Name(), modeType: info.Mode() & os.ModeType}
+	entries := make([]*Dirent, len(fileinfos))
+
+	for i, fi := range fileinfos {
+		entries[i] = &Dirent{
+			name:     fi.Name(),
+			path:     osDirname,
+			modeType: fi.Mode() & os.ModeType,
+		}
 	}
 
+	if err = dh.Close(); err != nil {
+		return nil, err
+	}
 	return entries, nil
 }
 
-func readdirnames(osDirname string, _ []byte) ([]string, error) {
+func readDirnames(osDirname string, _ []byte) ([]string, error) {
 	dh, err := os.Open(osDirname)
 	if err != nil {
-		return nil, errors.Wrap(err, "cannot Open")
+		return nil, err
 	}
 
-	entries, err := dh.Readdirnames(0)
-	if er := dh.Close(); err == nil {
-		err = er
-	}
+	fileinfos, err := dh.Readdir(-1)
 	if err != nil {
-		return nil, errors.Wrap(err, "cannot Readdirnames")
+		_ = dh.Close()
+		return nil, err
 	}
 
+	entries := make([]string, len(fileinfos))
+
+	for i, fi := range fileinfos {
+		entries[i] = fi.Name()
+	}
+
+	if err = dh.Close(); err != nil {
+		return nil, err
+	}
 	return entries, nil
 }