[chore] bump dependencies (#4406)

- codeberg.org/gruf/go-ffmpreg: v0.6.9 -> v0.6.10
- github.com/ncruces/go-sqlite3: v0.27.1 -> v0.28.0
- github.com/stretchr/testify: v1.10.0 -> v1.11.1
- github.com/tdewolff/minify/v2 v2.23.11 -> v2.24.2
- go.opentelemetry.io/otel{,/*}: v1.37.0 -> v1.38.0
- go.opentelemetry.io/contrib/*: v0.62.0 -> v0.63.0

Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4406
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>

vendor/github.com/ncruces/go-sqlite3/driver/driver.go

@@ -604,15 +604,6 @@ func (r resultRowsAffected) RowsAffected() (int64, error) {
 	return int64(r), nil
 }
 
-type rows struct {
-	ctx context.Context
-	*stmt
-	names []string
-	types []string
-	nulls []bool
-	scans []scantype
-}
-
 type scantype byte
 
 const (
@@ -648,10 +639,20 @@ func scanFromDecl(decl string) scantype {
 	return _ANY
 }
 
+type rows struct {
+	ctx context.Context
+	*stmt
+	names []string
+	types []string
+	nulls []bool
+	scans []scantype
+}
+
 var (
 	// Ensure these interfaces are implemented:
 	_ driver.RowsColumnTypeDatabaseTypeName = &rows{}
 	_ driver.RowsColumnTypeNullable         = &rows{}
+	// _ driver.RowsColumnScanner           = &rows{}
 )
 
 func (r *rows) Close() error {
@@ -740,7 +741,7 @@ func (r *rows) ColumnTypeScanType(index int) (typ reflect.Type) {
 		switch {
 		case scan == _TIME && val != _BLOB && val != _NULL:
 			t := r.Stmt.ColumnTime(index, r.tmRead)
-			useValType = t == time.Time{}
+			useValType = t.IsZero()
 		case scan == _BOOL && val == _INT:
 			i := r.Stmt.ColumnInt64(index)
 			useValType = i != 0 && i != 1
@@ -830,3 +831,23 @@ func (r *rows) Next(dest []driver.Value) error {
 	}
 	return nil
 }
+
+func (r *rows) ScanColumn(dest any, index int) error {
+	// notest // Go 1.26
+	var ptr *time.Time
+	switch d := dest.(type) {
+	case *time.Time:
+		ptr = d
+	case *sql.NullTime:
+		ptr = &d.Time
+	case *sql.Null[time.Time]:
+		ptr = &d.V
+	default:
+		return driver.ErrSkip
+	}
+	if t := r.Stmt.ColumnTime(index, r.tmRead); !t.IsZero() {
+		*ptr = t
+		return nil
+	}
+	return driver.ErrSkip
+}

vendor/github.com/ncruces/go-sqlite3/embed/README.md

@@ -1,6 +1,6 @@
 # Embeddable Wasm build of SQLite
 
-This folder includes an embeddable Wasm build of SQLite 3.50.3 for use with
+This folder includes an embeddable Wasm build of SQLite 3.50.4 for use with
 [`github.com/ncruces/go-sqlite3`](https://pkg.go.dev/github.com/ncruces/go-sqlite3).
 
 The following optional features are compiled in:

vendor/github.com/ncruces/go-sqlite3/embed/build.sh

@@ -17,7 +17,8 @@ trap 'rm -f sqlite3.tmp' EXIT
 	-mmutable-globals -mnontrapping-fptoint \
 	-msimd128 -mbulk-memory -msign-ext \
 	-mreference-types -mmultivalue \
-	-fno-stack-protector -fno-stack-clash-protection \
+	-mno-extended-const \
+	-fno-stack-protector \
 	-Wl,--stack-first \
 	-Wl,--import-undefined \
 	-Wl,--initial-memory=327680 \

vendor/github.com/ncruces/go-sqlite3/func.go

@@ -59,7 +59,7 @@ func (c *Conn) CreateCollation(name string, fn CollatingFunction) error {
 	return c.error(rc)
 }
 
-// Collating function is the type of a collation callback.
+// CollatingFunction is the type of a collation callback.
 // Implementations must not retain a or b.
 type CollatingFunction func(a, b []byte) int
 
@@ -132,7 +132,7 @@ func (c *Conn) CreateWindowFunction(name string, nArg int, flag FunctionFlag, fn
 			if win, ok := agg.(WindowFunction); ok {
 				return win
 			}
-			return windowFunc{agg, name}
+			return agg
 		}))
 	}
 	rc := res_t(c.call("sqlite3_create_window_function_go",
@@ -307,13 +307,3 @@ func (a *aggregateFunc) Close() error {
 	a.stop()
 	return nil
 }
-
-type windowFunc struct {
-	AggregateFunction
-	name string
-}
-
-func (w windowFunc) Inverse(ctx Context, arg ...Value) {
-	// Implementing inverse allows certain queries that don't really need it to succeed.
-	ctx.ResultError(util.ErrorString(w.name + ": may not be used as a window function"))
-}

vendor/github.com/ncruces/go-sqlite3/internal/util/func.go

@@ -20,20 +20,6 @@ func ExportFuncVI[T0 i32](mod wazero.HostModuleBuilder, name string, fn func(con
 		Export(name)
 }
 
-type funcVII[T0, T1 i32] func(context.Context, api.Module, T0, T1)
-
-func (fn funcVII[T0, T1]) Call(ctx context.Context, mod api.Module, stack []uint64) {
-	_ = stack[1] // prevent bounds check on every slice access
-	fn(ctx, mod, T0(stack[0]), T1(stack[1]))
-}
-
-func ExportFuncVII[T0, T1 i32](mod wazero.HostModuleBuilder, name string, fn func(context.Context, api.Module, T0, T1)) {
-	mod.NewFunctionBuilder().
-		WithGoModuleFunction(funcVII[T0, T1](fn),
-			[]api.ValueType{api.ValueTypeI32, api.ValueTypeI32}, nil).
-		Export(name)
-}
-
 type funcVIII[T0, T1, T2 i32] func(context.Context, api.Module, T0, T1, T2)
 
 func (fn funcVIII[T0, T1, T2]) Call(ctx context.Context, mod api.Module, stack []uint64) {

vendor/github.com/ncruces/go-sqlite3/util/vfsutil/slice.go

@@ -0,0 +1,102 @@
+package vfsutil
+
+import (
+	"io"
+
+	"github.com/ncruces/go-sqlite3"
+	"github.com/ncruces/go-sqlite3/vfs"
+)
+
+// SliceFile implements [vfs.File] with a byte slice.
+// It is suitable for temporary files (such as [vfs.OPEN_TEMP_JOURNAL]),
+// but not concurrency safe.
+type SliceFile []byte
+
+var (
+	// Ensure these interfaces are implemented:
+	_ vfs.FileSizeHint = &SliceFile{}
+)
+
+// ReadAt implements [io.ReaderAt].
+func (f *SliceFile) ReadAt(b []byte, off int64) (n int, err error) {
+	if d := *f; off < int64(len(d)) {
+		n = copy(b, d[off:])
+	}
+	if n < len(b) {
+		err = io.EOF
+	}
+	return
+}
+
+// WriteAt implements [io.WriterAt].
+func (f *SliceFile) WriteAt(b []byte, off int64) (n int, err error) {
+	d := *f
+	if off > int64(len(d)) {
+		d = append(d, make([]byte, off-int64(len(d)))...)
+	}
+	d = append(d[:off], b...)
+	if len(d) > len(*f) {
+		*f = d
+	}
+	return len(b), nil
+}
+
+// Size implements [vfs.File].
+func (f *SliceFile) Size() (int64, error) {
+	return int64(len(*f)), nil
+}
+
+// Truncate implements [vfs.File].
+func (f *SliceFile) Truncate(size int64) error {
+	if d := *f; size < int64(len(d)) {
+		*f = d[:size]
+	}
+	return nil
+}
+
+// SizeHint implements [vfs.FileSizeHint].
+func (f *SliceFile) SizeHint(size int64) error {
+	if d := *f; size > int64(len(d)) {
+		*f = append(d, make([]byte, size-int64(len(d)))...)
+	}
+	return nil
+}
+
+// Close implements [io.Closer].
+func (*SliceFile) Close() error { return nil }
+
+// Sync implements [vfs.File].
+func (*SliceFile) Sync(flags vfs.SyncFlag) error { return nil }
+
+// Lock implements [vfs.File].
+func (*SliceFile) Lock(lock vfs.LockLevel) error {
+	// notest // not concurrency safe
+	return sqlite3.IOERR_LOCK
+}
+
+// Unlock implements [vfs.File].
+func (*SliceFile) Unlock(lock vfs.LockLevel) error {
+	// notest // not concurrency safe
+	return sqlite3.IOERR_UNLOCK
+}
+
+// CheckReservedLock implements [vfs.File].
+func (*SliceFile) CheckReservedLock() (bool, error) {
+	// notest // not concurrency safe
+	return false, sqlite3.IOERR_CHECKRESERVEDLOCK
+}
+
+// SectorSize implements [vfs.File].
+func (*SliceFile) SectorSize() int {
+	// notest // safe default
+	return 0
+}
+
+// DeviceCharacteristics implements [vfs.File].
+func (*SliceFile) DeviceCharacteristics() vfs.DeviceCharacteristic {
+	return vfs.IOCAP_ATOMIC |
+		vfs.IOCAP_SEQUENTIAL |
+		vfs.IOCAP_SAFE_APPEND |
+		vfs.IOCAP_POWERSAFE_OVERWRITE |
+		vfs.IOCAP_SUBPAGE_READ
+}

vendor/github.com/ncruces/go-sqlite3/util/vfsutil/wrap.go

@@ -0,0 +1,185 @@
+// Package vfsutil implements virtual filesystem utilities.
+package vfsutil
+
+import (
+	"github.com/ncruces/go-sqlite3"
+	"github.com/ncruces/go-sqlite3/vfs"
+)
+
+// UnwrapFile unwraps a [vfs.File],
+// possibly implementing [vfs.FileUnwrap],
+// to a concrete type.
+func UnwrapFile[T vfs.File](f vfs.File) (_ T, _ bool) {
+	for {
+		switch t := f.(type) {
+		default:
+			return
+		case T:
+			return t, true
+		case vfs.FileUnwrap:
+			f = t.Unwrap()
+		}
+	}
+}
+
+// WrapOpen helps wrap [vfs.VFS].
+func WrapOpen(f vfs.VFS, name string, flags vfs.OpenFlag) (file vfs.File, _ vfs.OpenFlag, err error) {
+	if f, ok := f.(vfs.VFSFilename); name == "" && ok {
+		return f.OpenFilename(nil, flags)
+	}
+	return f.Open(name, flags)
+}
+
+// WrapOpenFilename helps wrap [vfs.VFSFilename].
+func WrapOpenFilename(f vfs.VFS, name *vfs.Filename, flags vfs.OpenFlag) (file vfs.File, _ vfs.OpenFlag, err error) {
+	if f, ok := f.(vfs.VFSFilename); ok {
+		return f.OpenFilename(name, flags)
+	}
+	return f.Open(name.String(), flags)
+}
+
+// WrapLockState helps wrap [vfs.FileLockState].
+func WrapLockState(f vfs.File) vfs.LockLevel {
+	if f, ok := f.(vfs.FileLockState); ok {
+		return f.LockState()
+	}
+	return vfs.LOCK_EXCLUSIVE + 1 // UNKNOWN_LOCK
+}
+
+// WrapPersistWAL helps wrap [vfs.FilePersistWAL].
+func WrapPersistWAL(f vfs.File) bool {
+	if f, ok := f.(vfs.FilePersistWAL); ok {
+		return f.PersistWAL()
+	}
+	return false
+}
+
+// WrapSetPersistWAL helps wrap [vfs.FilePersistWAL].
+func WrapSetPersistWAL(f vfs.File, keepWAL bool) {
+	if f, ok := f.(vfs.FilePersistWAL); ok {
+		f.SetPersistWAL(keepWAL)
+	}
+}
+
+// WrapPowersafeOverwrite helps wrap [vfs.FilePowersafeOverwrite].
+func WrapPowersafeOverwrite(f vfs.File) bool {
+	if f, ok := f.(vfs.FilePowersafeOverwrite); ok {
+		return f.PowersafeOverwrite()
+	}
+	return false
+}
+
+// WrapSetPowersafeOverwrite helps wrap [vfs.FilePowersafeOverwrite].
+func WrapSetPowersafeOverwrite(f vfs.File, psow bool) {
+	if f, ok := f.(vfs.FilePowersafeOverwrite); ok {
+		f.SetPowersafeOverwrite(psow)
+	}
+}
+
+// WrapChunkSize helps wrap [vfs.FileChunkSize].
+func WrapChunkSize(f vfs.File, size int) {
+	if f, ok := f.(vfs.FileChunkSize); ok {
+		f.ChunkSize(size)
+	}
+}
+
+// WrapSizeHint helps wrap [vfs.FileSizeHint].
+func WrapSizeHint(f vfs.File, size int64) error {
+	if f, ok := f.(vfs.FileSizeHint); ok {
+		return f.SizeHint(size)
+	}
+	return sqlite3.NOTFOUND
+}
+
+// WrapHasMoved helps wrap [vfs.FileHasMoved].
+func WrapHasMoved(f vfs.File) (bool, error) {
+	if f, ok := f.(vfs.FileHasMoved); ok {
+		return f.HasMoved()
+	}
+	return false, sqlite3.NOTFOUND
+}
+
+// WrapOverwrite helps wrap [vfs.FileOverwrite].
+func WrapOverwrite(f vfs.File) error {
+	if f, ok := f.(vfs.FileOverwrite); ok {
+		return f.Overwrite()
+	}
+	return sqlite3.NOTFOUND
+}
+
+// WrapSyncSuper helps wrap [vfs.FileSync].
+func WrapSyncSuper(f vfs.File, super string) error {
+	if f, ok := f.(vfs.FileSync); ok {
+		return f.SyncSuper(super)
+	}
+	return sqlite3.NOTFOUND
+}
+
+// WrapCommitPhaseTwo helps wrap [vfs.FileCommitPhaseTwo].
+func WrapCommitPhaseTwo(f vfs.File) error {
+	if f, ok := f.(vfs.FileCommitPhaseTwo); ok {
+		return f.CommitPhaseTwo()
+	}
+	return sqlite3.NOTFOUND
+}
+
+// WrapBeginAtomicWrite helps wrap [vfs.FileBatchAtomicWrite].
+func WrapBeginAtomicWrite(f vfs.File) error {
+	if f, ok := f.(vfs.FileBatchAtomicWrite); ok {
+		return f.BeginAtomicWrite()
+	}
+	return sqlite3.NOTFOUND
+}
+
+// WrapCommitAtomicWrite helps wrap [vfs.FileBatchAtomicWrite].
+func WrapCommitAtomicWrite(f vfs.File) error {
+	if f, ok := f.(vfs.FileBatchAtomicWrite); ok {
+		return f.CommitAtomicWrite()
+	}
+	return sqlite3.NOTFOUND
+}
+
+// WrapRollbackAtomicWrite helps wrap [vfs.FileBatchAtomicWrite].
+func WrapRollbackAtomicWrite(f vfs.File) error {
+	if f, ok := f.(vfs.FileBatchAtomicWrite); ok {
+		return f.RollbackAtomicWrite()
+	}
+	return sqlite3.NOTFOUND
+}
+
+// WrapCheckpointStart helps wrap [vfs.FileCheckpoint].
+func WrapCheckpointStart(f vfs.File) {
+	if f, ok := f.(vfs.FileCheckpoint); ok {
+		f.CheckpointStart()
+	}
+}
+
+// WrapCheckpointDone helps wrap [vfs.FileCheckpoint].
+func WrapCheckpointDone(f vfs.File) {
+	if f, ok := f.(vfs.FileCheckpoint); ok {
+		f.CheckpointDone()
+	}
+}
+
+// WrapPragma helps wrap [vfs.FilePragma].
+func WrapPragma(f vfs.File, name, value string) (string, error) {
+	if f, ok := f.(vfs.FilePragma); ok {
+		return f.Pragma(name, value)
+	}
+	return "", sqlite3.NOTFOUND
+}
+
+// WrapBusyHandler helps wrap [vfs.FilePragma].
+func WrapBusyHandler(f vfs.File, handler func() bool) {
+	if f, ok := f.(vfs.FileBusyHandler); ok {
+		f.BusyHandler(handler)
+	}
+}
+
+// WrapSharedMemory helps wrap [vfs.FileSharedMemory].
+func WrapSharedMemory(f vfs.File) vfs.SharedMemory {
+	if f, ok := f.(vfs.FileSharedMemory); ok {
+		return f.SharedMemory()
+	}
+	return nil
+}

vendor/github.com/ncruces/go-sqlite3/value.go

@@ -31,9 +31,9 @@ func (v Value) Dup() *Value {
 // Close frees an SQL value previously obtained by [Value.Dup].
 //
 // https://sqlite.org/c3ref/value_dup.html
-func (dup *Value) Close() error {
-	dup.c.call("sqlite3_value_free", stk_t(dup.handle))
-	dup.handle = 0
+func (v *Value) Close() error {
+	v.c.call("sqlite3_value_free", stk_t(v.handle))
+	v.handle = 0
 	return nil
 }
 

vendor/github.com/ncruces/go-sqlite3/vfs/api.go

@@ -36,9 +36,9 @@ type VFSFilename interface {
 //
 // https://sqlite.org/c3ref/io_methods.html
 type File interface {
-	Close() error
-	ReadAt(p []byte, off int64) (n int, err error)
-	WriteAt(p []byte, off int64) (n int, err error)
+	io.Closer
+	io.ReaderAt
+	io.WriterAt
 	Truncate(size int64) error
 	Sync(flags SyncFlag) error
 	Size() (int64, error)

vendor/github.com/ncruces/go-sqlite3/vfs/cksm.go

@@ -5,7 +5,6 @@ import (
 	"context"
 	_ "embed"
 	"encoding/binary"
-	"strconv"
 
 	"github.com/tetratelabs/wazero/api"
 
@@ -13,48 +12,30 @@ import (
 	"github.com/ncruces/go-sqlite3/util/sql3util"
 )
 
-func cksmWrapFile(name *Filename, flags OpenFlag, file File) File {
-	// Checksum only main databases and WALs.
-	if flags&(OPEN_MAIN_DB|OPEN_WAL) == 0 {
+func cksmWrapFile(file File, flags OpenFlag) File {
+	// Checksum only main databases.
+	if flags&OPEN_MAIN_DB == 0 {
 		return file
 	}
-
-	cksm := cksmFile{File: file}
-
-	if flags&OPEN_WAL != 0 {
-		main, _ := name.DatabaseFile().(cksmFile)
-		cksm.cksmFlags = main.cksmFlags
-	} else {
-		cksm.cksmFlags = new(cksmFlags)
-		cksm.isDB = true
-	}
-
-	return cksm
+	return &cksmFile{File: file}
 }
 
 type cksmFile struct {
 	File
-	*cksmFlags
-	isDB bool
-}
-
-type cksmFlags struct {
-	computeCksm bool
 	verifyCksm  bool
-	inCkpt      bool
-	pageSize    int
+	computeCksm bool
 }
 
-func (c cksmFile) ReadAt(p []byte, off int64) (n int, err error) {
+func (c *cksmFile) ReadAt(p []byte, off int64) (n int, err error) {
 	n, err = c.File.ReadAt(p, off)
 	p = p[:n]
 
-	if isHeader(c.isDB, p, off) {
+	if isHeader(p, off) {
 		c.init((*[100]byte)(p))
 	}
 
 	// Verify checksums.
-	if c.verifyCksm && !c.inCkpt && len(p) == c.pageSize {
+	if c.verifyCksm && sql3util.ValidPageSize(len(p)) {
 		cksm1 := cksmCompute(p[:len(p)-8])
 		cksm2 := *(*[8]byte)(p[len(p)-8:])
 		if cksm1 != cksm2 {
@@ -64,20 +45,20 @@ func (c cksmFile) ReadAt(p []byte, off int64) (n int, err error) {
 	return n, err
 }
 
-func (c cksmFile) WriteAt(p []byte, off int64) (n int, err error) {
-	if isHeader(c.isDB, p, off) {
+func (c *cksmFile) WriteAt(p []byte, off int64) (n int, err error) {
+	if isHeader(p, off) {
 		c.init((*[100]byte)(p))
 	}
 
 	// Compute checksums.
-	if c.computeCksm && !c.inCkpt && len(p) == c.pageSize {
+	if c.computeCksm && sql3util.ValidPageSize(len(p)) {
 		*(*[8]byte)(p[len(p)-8:]) = cksmCompute(p[:len(p)-8])
 	}
 
 	return c.File.WriteAt(p, off)
 }
 
-func (c cksmFile) Pragma(name string, value string) (string, error) {
+func (c *cksmFile) Pragma(name string, value string) (string, error) {
 	switch name {
 	case "checksum_verification":
 		b, ok := sql3util.ParseBool(value)
@@ -90,15 +71,15 @@ func (c cksmFile) Pragma(name string, value string) (string, error) {
 		return "1", nil
 
 	case "page_size":
-		if c.computeCksm {
+		if c.computeCksm && value != "" {
 			// Do not allow page size changes on a checksum database.
-			return strconv.Itoa(c.pageSize), nil
+			return "", nil
 		}
 	}
 	return "", _NOTFOUND
 }
 
-func (c cksmFile) DeviceCharacteristics() DeviceCharacteristic {
+func (c *cksmFile) DeviceCharacteristics() DeviceCharacteristic {
 	ret := c.File.DeviceCharacteristics()
 	if c.verifyCksm {
 		ret &^= IOCAP_SUBPAGE_READ
@@ -106,13 +87,8 @@ func (c cksmFile) DeviceCharacteristics() DeviceCharacteristic {
 	return ret
 }
 
-func (c cksmFile) fileControl(ctx context.Context, mod api.Module, op _FcntlOpcode, pArg ptr_t) _ErrorCode {
-	switch op {
-	case _FCNTL_CKPT_START:
-		c.inCkpt = true
-	case _FCNTL_CKPT_DONE:
-		c.inCkpt = false
-	case _FCNTL_PRAGMA:
+func (c *cksmFile) fileControl(ctx context.Context, mod api.Module, op _FcntlOpcode, pArg ptr_t) _ErrorCode {
+	if op == _FCNTL_PRAGMA {
 		rc := vfsFileControlImpl(ctx, mod, c, op, pArg)
 		if rc != _NOTFOUND {
 			return rc
@@ -121,24 +97,26 @@ func (c cksmFile) fileControl(ctx context.Context, mod api.Module, op _FcntlOpco
 	return vfsFileControlImpl(ctx, mod, c.File, op, pArg)
 }
 
-func (f *cksmFlags) init(header *[100]byte) {
-	f.pageSize = 256 * int(binary.LittleEndian.Uint16(header[16:18]))
-	if r := header[20] == 8; r != f.computeCksm {
-		f.computeCksm = r
-		f.verifyCksm = r
-	}
-	if !sql3util.ValidPageSize(f.pageSize) {
-		f.computeCksm = false
-		f.verifyCksm = false
+func (c *cksmFile) init(header *[100]byte) {
+	if r := header[20] == 8; r != c.computeCksm {
+		c.computeCksm = r
+		c.verifyCksm = r
 	}
 }
 
-func isHeader(isDB bool, p []byte, off int64) bool {
-	check := sql3util.ValidPageSize(len(p))
-	if isDB {
-		check = off == 0 && len(p) >= 100
+func (c *cksmFile) SharedMemory() SharedMemory {
+	if f, ok := c.File.(FileSharedMemory); ok {
+		return f.SharedMemory()
 	}
-	return check && bytes.HasPrefix(p, []byte("SQLite format 3\000"))
+	return nil
+}
+
+func (c *cksmFile) Unwrap() File {
+	return c.File
+}
+
+func isHeader(p []byte, off int64) bool {
+	return off == 0 && len(p) >= 100 && bytes.HasPrefix(p, []byte("SQLite format 3\000"))
 }
 
 func cksmCompute(a []byte) (cksm [8]byte) {
@@ -155,14 +133,3 @@ func cksmCompute(a []byte) (cksm [8]byte) {
 	binary.LittleEndian.PutUint32(cksm[4:8], s2)
 	return
 }
-
-func (c cksmFile) SharedMemory() SharedMemory {
-	if f, ok := c.File.(FileSharedMemory); ok {
-		return f.SharedMemory()
-	}
-	return nil
-}
-
-func (c cksmFile) Unwrap() File {
-	return c.File
-}

vendor/github.com/ncruces/go-sqlite3/vfs/file.go

@@ -75,6 +75,9 @@ func (vfsOS) Access(name string, flags AccessFlag) (bool, error) {
 
 func (vfsOS) Open(name string, flags OpenFlag) (File, OpenFlag, error) {
 	// notest // OpenFilename is called instead
+	if name == "" {
+		return vfsOS{}.OpenFilename(nil, flags)
+	}
 	return nil, 0, _CANTOPEN
 }
 

vendor/github.com/ncruces/go-sqlite3/vfs/filename.go

@@ -56,7 +56,7 @@ func (n *Filename) Journal() string {
 	return n.path("sqlite3_filename_journal")
 }
 
-// Journal returns the name of the corresponding WAL file.
+// WAL returns the name of the corresponding WAL file.
 //
 // https://sqlite.org/c3ref/filename_database.html
 func (n *Filename) WAL() string {

vendor/github.com/ncruces/go-sqlite3/vfs/memdb/memdb.go

@@ -2,40 +2,39 @@ package memdb
 
 import (
 	"io"
+	"strings"
 	"sync"
 	"time"
 
 	"github.com/ncruces/go-sqlite3"
+	"github.com/ncruces/go-sqlite3/util/vfsutil"
 	"github.com/ncruces/go-sqlite3/vfs"
 )
 
 const sectorSize = 65536
 
-// Ensure sectorSize is a multiple of 64K (the largest page size).
-var _ [0]struct{} = [sectorSize & 65535]struct{}{}
-
 type memVFS struct{}
 
 func (memVFS) Open(name string, flags vfs.OpenFlag) (vfs.File, vfs.OpenFlag, error) {
 	// For simplicity, we do not support reading or writing data
 	// across "sector" boundaries.
-	//
-	// This is not a problem for most SQLite file types:
-	// - databases, which only do page aligned reads/writes;
-	// - temp journals, as used by the sorter, which does the same:
-	//   https://github.com/sqlite/sqlite/blob/b74eb0/src/vdbesort.c#L409-L412
-	//
-	// We refuse to open all other file types,
-	// but returning OPEN_MEMORY means SQLite won't ask us to.
-	const types = vfs.OPEN_MAIN_DB | vfs.OPEN_TEMP_DB |
-		vfs.OPEN_TRANSIENT_DB | vfs.OPEN_TEMP_JOURNAL
-	if flags&types == 0 {
+	// This is not a problem for SQLite database files.
+	const databases = vfs.OPEN_MAIN_DB | vfs.OPEN_TEMP_DB | vfs.OPEN_TRANSIENT_DB
+
+	// Temp journals, as used by the sorter, use SliceFile.
+	if flags&vfs.OPEN_TEMP_JOURNAL != 0 {
+		return &vfsutil.SliceFile{}, flags | vfs.OPEN_MEMORY, nil
+	}
+
+	// Refuse to open all other file types.
+	// Returning OPEN_MEMORY means SQLite won't ask us to.
+	if flags&databases == 0 {
 		// notest // OPEN_MEMORY
 		return nil, flags, sqlite3.CANTOPEN
 	}
 
 	// A shared database has a name that begins with "/".
-	shared := len(name) > 1 && name[0] == '/'
+	shared := strings.HasPrefix(name, "/")
 
 	var db *memDB
 	if shared {
@@ -76,18 +75,16 @@ func (memVFS) FullPathname(name string) (string, error) {
 type memDB struct {
 	name string
 
+	// +checklocks:lockMtx
+	waiter *sync.Cond
 	// +checklocks:dataMtx
 	data []*[sectorSize]byte
-	// +checklocks:dataMtx
-	size int64
 
-	// +checklocks:memoryMtx
-	refs int32
-
-	shared   int32      // +checklocks:lockMtx
-	pending  bool       // +checklocks:lockMtx
-	reserved bool       // +checklocks:lockMtx
-	waiter   *sync.Cond // +checklocks:lockMtx
+	size     int64 // +checklocks:dataMtx
+	refs     int32 // +checklocks:memoryMtx
+	shared   int32 // +checklocks:lockMtx
+	pending  bool  // +checklocks:lockMtx
+	reserved bool  // +checklocks:lockMtx
 
 	lockMtx sync.Mutex
 	dataMtx sync.RWMutex
@@ -129,7 +126,7 @@ func (m *memFile) ReadAt(b []byte, off int64) (n int, err error) {
 	base := off / sectorSize
 	rest := off % sectorSize
 	have := int64(sectorSize)
-	if base == int64(len(m.data))-1 {
+	if m.size < off+int64(len(b)) {
 		have = modRoundUp(m.size, sectorSize)
 	}
 	n = copy(b, (*m.data[base])[rest:have])
@@ -150,22 +147,37 @@ func (m *memFile) WriteAt(b []byte, off int64) (n int, err error) {
 		m.data = append(m.data, new([sectorSize]byte))
 	}
 	n = copy((*m.data[base])[rest:], b)
+	if size := off + int64(n); size > m.size {
+		m.size = size
+	}
 	if n < len(b) {
 		// notest // assume writes are page aligned
 		return n, io.ErrShortWrite
 	}
-	if size := off + int64(len(b)); size > m.size {
-		m.size = size
-	}
 	return n, nil
 }
 
+func (m *memFile) Size() (int64, error) {
+	m.dataMtx.RLock()
+	defer m.dataMtx.RUnlock()
+	return m.size, nil
+}
+
 func (m *memFile) Truncate(size int64) error {
 	m.dataMtx.Lock()
 	defer m.dataMtx.Unlock()
 	return m.truncate(size)
 }
 
+func (m *memFile) SizeHint(size int64) error {
+	m.dataMtx.Lock()
+	defer m.dataMtx.Unlock()
+	if size > m.size {
+		return m.truncate(size)
+	}
+	return nil
+}
+
 // +checklocks:m.dataMtx
 func (m *memFile) truncate(size int64) error {
 	if size < m.size {
@@ -185,16 +197,6 @@ func (m *memFile) truncate(size int64) error {
 	return nil
 }
 
-func (m *memFile) Sync(flag vfs.SyncFlag) error {
-	return nil
-}
-
-func (m *memFile) Size() (int64, error) {
-	m.dataMtx.RLock()
-	defer m.dataMtx.RUnlock()
-	return m.size, nil
-}
-
 func (m *memFile) Lock(lock vfs.LockLevel) error {
 	if m.lock >= lock {
 		return nil
@@ -278,31 +280,24 @@ func (m *memFile) CheckReservedLock() (bool, error) {
 	return m.reserved, nil
 }
 
-func (m *memFile) SectorSize() int {
+func (m *memFile) LockState() vfs.LockLevel {
+	return m.lock
+}
+
+func (*memFile) Sync(flag vfs.SyncFlag) error { return nil }
+
+func (*memFile) SectorSize() int {
 	// notest // IOCAP_POWERSAFE_OVERWRITE
 	return sectorSize
 }
 
-func (m *memFile) DeviceCharacteristics() vfs.DeviceCharacteristic {
+func (*memFile) DeviceCharacteristics() vfs.DeviceCharacteristic {
 	return vfs.IOCAP_ATOMIC |
 		vfs.IOCAP_SEQUENTIAL |
 		vfs.IOCAP_SAFE_APPEND |
 		vfs.IOCAP_POWERSAFE_OVERWRITE
 }
 
-func (m *memFile) SizeHint(size int64) error {
-	m.dataMtx.Lock()
-	defer m.dataMtx.Unlock()
-	if size > m.size {
-		return m.truncate(size)
-	}
-	return nil
-}
-
-func (m *memFile) LockState() vfs.LockLevel {
-	return m.lock
-}
-
 func divRoundUp(a, b int64) int64 {
 	return (a + b - 1) / b
 }

vendor/github.com/ncruces/go-sqlite3/vfs/vfs.go

@@ -148,7 +148,7 @@ func vfsOpen(ctx context.Context, mod api.Module, pVfs, zPath, pFile ptr_t, flag
 	if pOutFlags != 0 {
 		util.Write32(mod, pOutFlags, flags)
 	}
-	file = cksmWrapFile(name, flags, file)
+	file = cksmWrapFile(file, flags)
 	vfsFileRegister(ctx, mod, pFile, file)
 	return _OK
 }