package mountinfo

import (
	"path/filepath"
	"sync"

	"golang.org/x/sys/windows"
)

// CheckCrossDevice - check if any input path has multiple sub-mounts.
// this is a dummy function and returns nil for now.
func CheckCrossDevice(paths []string) error {
	return nil
}

// mountPointCache contains results of IsLikelyMountPoint
var mountPointCache sync.Map

	if err != nil {
		return consumed, nil, typ, err
	}

	return consumed, nameBuf[:nameLen], typ, nil
}

// readDirFn applies the fn() function on each entries at dirPath, doesn't recurse into
// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, fn func(name string, typ os.FileMode) error) error {
	fd, err := openFileWithFD(dirPath, readMode, 0o666)

	lockFileFailImmediately = 1

	// see https://msdn.microsoft.com/en-us/library/windows/desktop/ms681382(v=vs.85).aspx
	errLockViolation syscall.Errno = 0x21
)

// lockedOpenFile is an internal function.
func lockedOpenFile(path string, flag int, perm os.FileMode, lockType uint32) (*LockedFile, error) {
	f, err := Open(path, flag, perm)
	if err != nil {
		return nil, err
	}

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package mountinfo

import (
	"fmt"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

// Tests cross device mount verification function, for both failure
// and success cases.
func TestCrossDeviceMountPaths(t *testing.T) {
	successCase := `/dev/0 /path/to/0/1 type0 flags 0 0
		/dev/1    /path/to/1   type1	flags 1 1
		/dev/2 /path/to/1/2 type2 flags,1,2=3 2 2

			if port == "443" || port == "80" {
				nodeName = host
			}
		}

		// Calculate reqPath
		reqPath := r.URL.RawPath
		if reqPath == "" {
			reqPath = r.URL.Path
		}

		// Calculate function name
		funcName := tc.FuncName
		if funcName == "" {
			funcName = "<unknown>"
		}

		t := madmin.TraceInfo{
			TraceType: tt,
			FuncName:  funcName,
			NodeName:  nodeName,

			override[n.Mangle] = s
		}
	}

	// Otherwise, if the source file says type T C.whatever,
	// use "T" as the mangling of C.whatever,
	// except in the definition (handled at end of function).
	refName := make(map[*ast.Expr]*Name)
	for _, r := range f.Ref {
		refName[r.Expr] = r.Name
	}
	for _, d := range f.AST.Decls {
		d, ok := d.(*ast.GenDecl)
		if !ok || d.Tok != token.TYPE {
			continue
		}

		return errXLBackend
	}

	return nil
}

// A single function to write certain errors to be fatal
// or informative based on the `exit` flag, please look
// at each implementation of error for added hints.
//
// FIXME: This is an unusual function but serves its purpose for
// now, need to revisit the overall erroring structure here.
// Do not like it :-(

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package mountinfo

// CheckCrossDevice - check if any input path has multiple sub-mounts.
// this is a dummy function and returns nil for now.
func CheckCrossDevice(paths []string) error {
	return nil
}

// IsLikelyMountPoint determines if a directory is a mountpoint.
func IsLikelyMountPoint(file string) bool {
	return false

			cleanupFns[i]()
		}
		return nil, PreConditionFailed{}
	}
	return &GetObjectReader{
		ObjInfo:    oi,
		Reader:     r,
		cleanUpFns: cleanupFns,
	}, nil
}

// ObjReaderFn is a function type that takes a reader and returns
// GetObjectReader and an error. Request headers are passed to provide
// encryption parameters. cleanupFns allow cleanup funcs to be
// registered for calling after usage of the reader.

// s3APIMiddleware - performs some common handler functionality for S3 API
// handlers.
//
// It is set per-"handler function registration" in the router to allow for
// behavior modification via flags.
//
// This middleware always calls `collectAPIStats` to collect API stats.
//
// The passed in handler function must be a method of `objectAPIHandlers` for
// the name displayed in logs and trace to be accurate. The name is extracted