// Package gio was automatically generated by github.com/bnema/puregotk DO NOT EDIT
package gio

import (
	"structs"
	"unsafe"

	"github.com/ebitengine/purego"

	"github.com/bnema/puregotk/pkg/core"
	"github.com/bnema/puregotk/v4/glib"
	"github.com/bnema/puregotk/v4/gobject"
	"github.com/bnema/puregotk/v4/gobject/types"
)

type OutputStreamClass struct {
	_ structs.HostLayout

	ParentClass gobject.ObjectClass

	xWriteFn uintptr

	xSplice uintptr

	xFlush uintptr

	xCloseFn uintptr

	xWriteAsync uintptr

	xWriteFinish uintptr

	xSpliceAsync uintptr

	xSpliceFinish uintptr

	xFlushAsync uintptr

	xFlushFinish uintptr

	xCloseAsync uintptr

	xCloseFinish uintptr

	xWritevFn uintptr

	xWritevAsync uintptr

	xWritevFinish uintptr

	xGReserved4 uintptr

	xGReserved5 uintptr

	xGReserved6 uintptr

	xGReserved7 uintptr

	xGReserved8 uintptr
}

func (x *OutputStreamClass) GoPointer() uintptr {
	return uintptr(unsafe.Pointer(x))
}

// OverrideWriteFn sets the "write_fn" callback function.
func (x *OutputStreamClass) OverrideWriteFn(cb func(*OutputStream, []byte, uint, *Cancellable) int) {
	if cb == nil {
		x.xWriteFn = 0
	} else {
		x.xWriteFn = purego.NewCallback(func(StreamVarp uintptr, BufferVarp []byte, CountVarp uint, CancellableVarp uintptr) int {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), BufferVarp, CountVarp, CancellableNewFromInternalPtr(CancellableVarp))
		})
	}
}

// GetWriteFn gets the "write_fn" callback function.
func (x *OutputStreamClass) GetWriteFn() func(*OutputStream, []byte, uint, *Cancellable) int {
	if x.xWriteFn == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, BufferVarp []byte, CountVarp uint, CancellableVarp uintptr) int
	purego.RegisterFunc(&rawCallback, x.xWriteFn)
	return func(StreamVar *OutputStream, BufferVar []byte, CountVar uint, CancellableVar *Cancellable) int {
		return rawCallback(StreamVar.GoPointer(), BufferVar, CountVar, CancellableVar.GoPointer())
	}
}

// OverrideSplice sets the "splice" callback function.
func (x *OutputStreamClass) OverrideSplice(cb func(*OutputStream, *InputStream, OutputStreamSpliceFlags, *Cancellable) int) {
	if cb == nil {
		x.xSplice = 0
	} else {
		x.xSplice = purego.NewCallback(func(StreamVarp uintptr, SourceVarp uintptr, FlagsVarp OutputStreamSpliceFlags, CancellableVarp uintptr) int {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), InputStreamNewFromInternalPtr(SourceVarp), FlagsVarp, CancellableNewFromInternalPtr(CancellableVarp))
		})
	}
}

// GetSplice gets the "splice" callback function.
func (x *OutputStreamClass) GetSplice() func(*OutputStream, *InputStream, OutputStreamSpliceFlags, *Cancellable) int {
	if x.xSplice == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, SourceVarp uintptr, FlagsVarp OutputStreamSpliceFlags, CancellableVarp uintptr) int
	purego.RegisterFunc(&rawCallback, x.xSplice)
	return func(StreamVar *OutputStream, SourceVar *InputStream, FlagsVar OutputStreamSpliceFlags, CancellableVar *Cancellable) int {
		return rawCallback(StreamVar.GoPointer(), SourceVar.GoPointer(), FlagsVar, CancellableVar.GoPointer())
	}
}

// OverrideFlush sets the "flush" callback function.
func (x *OutputStreamClass) OverrideFlush(cb func(*OutputStream, *Cancellable) bool) {
	if cb == nil {
		x.xFlush = 0
	} else {
		x.xFlush = purego.NewCallback(func(StreamVarp uintptr, CancellableVarp uintptr) bool {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), CancellableNewFromInternalPtr(CancellableVarp))
		})
	}
}

// GetFlush gets the "flush" callback function.
func (x *OutputStreamClass) GetFlush() func(*OutputStream, *Cancellable) bool {
	if x.xFlush == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, CancellableVarp uintptr) bool
	purego.RegisterFunc(&rawCallback, x.xFlush)
	return func(StreamVar *OutputStream, CancellableVar *Cancellable) bool {
		return rawCallback(StreamVar.GoPointer(), CancellableVar.GoPointer())
	}
}

// OverrideCloseFn sets the "close_fn" callback function.
func (x *OutputStreamClass) OverrideCloseFn(cb func(*OutputStream, *Cancellable) bool) {
	if cb == nil {
		x.xCloseFn = 0
	} else {
		x.xCloseFn = purego.NewCallback(func(StreamVarp uintptr, CancellableVarp uintptr) bool {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), CancellableNewFromInternalPtr(CancellableVarp))
		})
	}
}

// GetCloseFn gets the "close_fn" callback function.
func (x *OutputStreamClass) GetCloseFn() func(*OutputStream, *Cancellable) bool {
	if x.xCloseFn == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, CancellableVarp uintptr) bool
	purego.RegisterFunc(&rawCallback, x.xCloseFn)
	return func(StreamVar *OutputStream, CancellableVar *Cancellable) bool {
		return rawCallback(StreamVar.GoPointer(), CancellableVar.GoPointer())
	}
}

// OverrideWriteAsync sets the "write_async" callback function.
func (x *OutputStreamClass) OverrideWriteAsync(cb func(*OutputStream, []byte, uint, int, *Cancellable, *AsyncReadyCallback, uintptr)) {
	if cb == nil {
		x.xWriteAsync = 0
	} else {
		x.xWriteAsync = purego.NewCallback(func(StreamVarp uintptr, BufferVarp []byte, CountVarp uint, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr) {
			cb(OutputStreamNewFromInternalPtr(StreamVarp), BufferVarp, CountVarp, IoPriorityVarp, CancellableNewFromInternalPtr(CancellableVarp), (*AsyncReadyCallback)(unsafe.Pointer(CallbackVarp)), UserDataVarp)
		})
	}
}

// GetWriteAsync gets the "write_async" callback function.
func (x *OutputStreamClass) GetWriteAsync() func(*OutputStream, []byte, uint, int, *Cancellable, *AsyncReadyCallback, uintptr) {
	if x.xWriteAsync == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, BufferVarp []byte, CountVarp uint, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr)
	purego.RegisterFunc(&rawCallback, x.xWriteAsync)
	return func(StreamVar *OutputStream, BufferVar []byte, CountVar uint, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {
		rawCallback(StreamVar.GoPointer(), BufferVar, CountVar, IoPriorityVar, CancellableVar.GoPointer(), glib.NewCallbackNullable(CallbackVar), UserDataVar)
	}
}

// OverrideWriteFinish sets the "write_finish" callback function.
func (x *OutputStreamClass) OverrideWriteFinish(cb func(*OutputStream, AsyncResult) int) {
	if cb == nil {
		x.xWriteFinish = 0
	} else {
		x.xWriteFinish = purego.NewCallback(func(StreamVarp uintptr, ResultVarp uintptr) int {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), &AsyncResultBase{Ptr: ResultVarp})
		})
	}
}

// GetWriteFinish gets the "write_finish" callback function.
func (x *OutputStreamClass) GetWriteFinish() func(*OutputStream, AsyncResult) int {
	if x.xWriteFinish == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, ResultVarp uintptr) int
	purego.RegisterFunc(&rawCallback, x.xWriteFinish)
	return func(StreamVar *OutputStream, ResultVar AsyncResult) int {
		return rawCallback(StreamVar.GoPointer(), ResultVar.GoPointer())
	}
}

// OverrideSpliceAsync sets the "splice_async" callback function.
func (x *OutputStreamClass) OverrideSpliceAsync(cb func(*OutputStream, *InputStream, OutputStreamSpliceFlags, int, *Cancellable, *AsyncReadyCallback, uintptr)) {
	if cb == nil {
		x.xSpliceAsync = 0
	} else {
		x.xSpliceAsync = purego.NewCallback(func(StreamVarp uintptr, SourceVarp uintptr, FlagsVarp OutputStreamSpliceFlags, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr) {
			cb(OutputStreamNewFromInternalPtr(StreamVarp), InputStreamNewFromInternalPtr(SourceVarp), FlagsVarp, IoPriorityVarp, CancellableNewFromInternalPtr(CancellableVarp), (*AsyncReadyCallback)(unsafe.Pointer(CallbackVarp)), UserDataVarp)
		})
	}
}

// GetSpliceAsync gets the "splice_async" callback function.
func (x *OutputStreamClass) GetSpliceAsync() func(*OutputStream, *InputStream, OutputStreamSpliceFlags, int, *Cancellable, *AsyncReadyCallback, uintptr) {
	if x.xSpliceAsync == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, SourceVarp uintptr, FlagsVarp OutputStreamSpliceFlags, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr)
	purego.RegisterFunc(&rawCallback, x.xSpliceAsync)
	return func(StreamVar *OutputStream, SourceVar *InputStream, FlagsVar OutputStreamSpliceFlags, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {
		rawCallback(StreamVar.GoPointer(), SourceVar.GoPointer(), FlagsVar, IoPriorityVar, CancellableVar.GoPointer(), glib.NewCallbackNullable(CallbackVar), UserDataVar)
	}
}

// OverrideSpliceFinish sets the "splice_finish" callback function.
func (x *OutputStreamClass) OverrideSpliceFinish(cb func(*OutputStream, AsyncResult) int) {
	if cb == nil {
		x.xSpliceFinish = 0
	} else {
		x.xSpliceFinish = purego.NewCallback(func(StreamVarp uintptr, ResultVarp uintptr) int {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), &AsyncResultBase{Ptr: ResultVarp})
		})
	}
}

// GetSpliceFinish gets the "splice_finish" callback function.
func (x *OutputStreamClass) GetSpliceFinish() func(*OutputStream, AsyncResult) int {
	if x.xSpliceFinish == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, ResultVarp uintptr) int
	purego.RegisterFunc(&rawCallback, x.xSpliceFinish)
	return func(StreamVar *OutputStream, ResultVar AsyncResult) int {
		return rawCallback(StreamVar.GoPointer(), ResultVar.GoPointer())
	}
}

// OverrideFlushAsync sets the "flush_async" callback function.
func (x *OutputStreamClass) OverrideFlushAsync(cb func(*OutputStream, int, *Cancellable, *AsyncReadyCallback, uintptr)) {
	if cb == nil {
		x.xFlushAsync = 0
	} else {
		x.xFlushAsync = purego.NewCallback(func(StreamVarp uintptr, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr) {
			cb(OutputStreamNewFromInternalPtr(StreamVarp), IoPriorityVarp, CancellableNewFromInternalPtr(CancellableVarp), (*AsyncReadyCallback)(unsafe.Pointer(CallbackVarp)), UserDataVarp)
		})
	}
}

// GetFlushAsync gets the "flush_async" callback function.
func (x *OutputStreamClass) GetFlushAsync() func(*OutputStream, int, *Cancellable, *AsyncReadyCallback, uintptr) {
	if x.xFlushAsync == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr)
	purego.RegisterFunc(&rawCallback, x.xFlushAsync)
	return func(StreamVar *OutputStream, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {
		rawCallback(StreamVar.GoPointer(), IoPriorityVar, CancellableVar.GoPointer(), glib.NewCallbackNullable(CallbackVar), UserDataVar)
	}
}

// OverrideFlushFinish sets the "flush_finish" callback function.
func (x *OutputStreamClass) OverrideFlushFinish(cb func(*OutputStream, AsyncResult) bool) {
	if cb == nil {
		x.xFlushFinish = 0
	} else {
		x.xFlushFinish = purego.NewCallback(func(StreamVarp uintptr, ResultVarp uintptr) bool {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), &AsyncResultBase{Ptr: ResultVarp})
		})
	}
}

// GetFlushFinish gets the "flush_finish" callback function.
func (x *OutputStreamClass) GetFlushFinish() func(*OutputStream, AsyncResult) bool {
	if x.xFlushFinish == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, ResultVarp uintptr) bool
	purego.RegisterFunc(&rawCallback, x.xFlushFinish)
	return func(StreamVar *OutputStream, ResultVar AsyncResult) bool {
		return rawCallback(StreamVar.GoPointer(), ResultVar.GoPointer())
	}
}

// OverrideCloseAsync sets the "close_async" callback function.
func (x *OutputStreamClass) OverrideCloseAsync(cb func(*OutputStream, int, *Cancellable, *AsyncReadyCallback, uintptr)) {
	if cb == nil {
		x.xCloseAsync = 0
	} else {
		x.xCloseAsync = purego.NewCallback(func(StreamVarp uintptr, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr) {
			cb(OutputStreamNewFromInternalPtr(StreamVarp), IoPriorityVarp, CancellableNewFromInternalPtr(CancellableVarp), (*AsyncReadyCallback)(unsafe.Pointer(CallbackVarp)), UserDataVarp)
		})
	}
}

// GetCloseAsync gets the "close_async" callback function.
func (x *OutputStreamClass) GetCloseAsync() func(*OutputStream, int, *Cancellable, *AsyncReadyCallback, uintptr) {
	if x.xCloseAsync == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr)
	purego.RegisterFunc(&rawCallback, x.xCloseAsync)
	return func(StreamVar *OutputStream, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {
		rawCallback(StreamVar.GoPointer(), IoPriorityVar, CancellableVar.GoPointer(), glib.NewCallbackNullable(CallbackVar), UserDataVar)
	}
}

// OverrideCloseFinish sets the "close_finish" callback function.
func (x *OutputStreamClass) OverrideCloseFinish(cb func(*OutputStream, AsyncResult) bool) {
	if cb == nil {
		x.xCloseFinish = 0
	} else {
		x.xCloseFinish = purego.NewCallback(func(StreamVarp uintptr, ResultVarp uintptr) bool {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), &AsyncResultBase{Ptr: ResultVarp})
		})
	}
}

// GetCloseFinish gets the "close_finish" callback function.
func (x *OutputStreamClass) GetCloseFinish() func(*OutputStream, AsyncResult) bool {
	if x.xCloseFinish == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, ResultVarp uintptr) bool
	purego.RegisterFunc(&rawCallback, x.xCloseFinish)
	return func(StreamVar *OutputStream, ResultVar AsyncResult) bool {
		return rawCallback(StreamVar.GoPointer(), ResultVar.GoPointer())
	}
}

// OverrideWritevFn sets the "writev_fn" callback function.
func (x *OutputStreamClass) OverrideWritevFn(cb func(*OutputStream, []OutputVector, uint, *uint, *Cancellable) bool) {
	if cb == nil {
		x.xWritevFn = 0
	} else {
		x.xWritevFn = purego.NewCallback(func(StreamVarp uintptr, VectorsVarp []OutputVector, NVectorsVarp uint, BytesWrittenVarp *uint, CancellableVarp uintptr) bool {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), VectorsVarp, NVectorsVarp, BytesWrittenVarp, CancellableNewFromInternalPtr(CancellableVarp))
		})
	}
}

// GetWritevFn gets the "writev_fn" callback function.
func (x *OutputStreamClass) GetWritevFn() func(*OutputStream, []OutputVector, uint, *uint, *Cancellable) bool {
	if x.xWritevFn == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, VectorsVarp []OutputVector, NVectorsVarp uint, BytesWrittenVarp *uint, CancellableVarp uintptr) bool
	purego.RegisterFunc(&rawCallback, x.xWritevFn)
	return func(StreamVar *OutputStream, VectorsVar []OutputVector, NVectorsVar uint, BytesWrittenVar *uint, CancellableVar *Cancellable) bool {
		return rawCallback(StreamVar.GoPointer(), VectorsVar, NVectorsVar, BytesWrittenVar, CancellableVar.GoPointer())
	}
}

// OverrideWritevAsync sets the "writev_async" callback function.
func (x *OutputStreamClass) OverrideWritevAsync(cb func(*OutputStream, []OutputVector, uint, int, *Cancellable, *AsyncReadyCallback, uintptr)) {
	if cb == nil {
		x.xWritevAsync = 0
	} else {
		x.xWritevAsync = purego.NewCallback(func(StreamVarp uintptr, VectorsVarp []OutputVector, NVectorsVarp uint, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr) {
			cb(OutputStreamNewFromInternalPtr(StreamVarp), VectorsVarp, NVectorsVarp, IoPriorityVarp, CancellableNewFromInternalPtr(CancellableVarp), (*AsyncReadyCallback)(unsafe.Pointer(CallbackVarp)), UserDataVarp)
		})
	}
}

// GetWritevAsync gets the "writev_async" callback function.
func (x *OutputStreamClass) GetWritevAsync() func(*OutputStream, []OutputVector, uint, int, *Cancellable, *AsyncReadyCallback, uintptr) {
	if x.xWritevAsync == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, VectorsVarp []OutputVector, NVectorsVarp uint, IoPriorityVarp int, CancellableVarp uintptr, CallbackVarp uintptr, UserDataVarp uintptr)
	purego.RegisterFunc(&rawCallback, x.xWritevAsync)
	return func(StreamVar *OutputStream, VectorsVar []OutputVector, NVectorsVar uint, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {
		rawCallback(StreamVar.GoPointer(), VectorsVar, NVectorsVar, IoPriorityVar, CancellableVar.GoPointer(), glib.NewCallbackNullable(CallbackVar), UserDataVar)
	}
}

// OverrideWritevFinish sets the "writev_finish" callback function.
func (x *OutputStreamClass) OverrideWritevFinish(cb func(*OutputStream, AsyncResult, *uint) bool) {
	if cb == nil {
		x.xWritevFinish = 0
	} else {
		x.xWritevFinish = purego.NewCallback(func(StreamVarp uintptr, ResultVarp uintptr, BytesWrittenVarp *uint) bool {
			return cb(OutputStreamNewFromInternalPtr(StreamVarp), &AsyncResultBase{Ptr: ResultVarp}, BytesWrittenVarp)
		})
	}
}

// GetWritevFinish gets the "writev_finish" callback function.
func (x *OutputStreamClass) GetWritevFinish() func(*OutputStream, AsyncResult, *uint) bool {
	if x.xWritevFinish == 0 {
		return nil
	}
	var rawCallback func(StreamVarp uintptr, ResultVarp uintptr, BytesWrittenVarp *uint) bool
	purego.RegisterFunc(&rawCallback, x.xWritevFinish)
	return func(StreamVar *OutputStream, ResultVar AsyncResult, BytesWrittenVar *uint) bool {
		return rawCallback(StreamVar.GoPointer(), ResultVar.GoPointer(), BytesWrittenVar)
	}
}

// OverrideGReserved4 sets the "_g_reserved4" callback function.
func (x *OutputStreamClass) OverrideGReserved4(cb func()) {
	if cb == nil {
		x.xGReserved4 = 0
	} else {
		x.xGReserved4 = purego.NewCallback(func() {
			cb()
		})
	}
}

// GetGReserved4 gets the "_g_reserved4" callback function.
func (x *OutputStreamClass) GetGReserved4() func() {
	if x.xGReserved4 == 0 {
		return nil
	}
	var rawCallback func()
	purego.RegisterFunc(&rawCallback, x.xGReserved4)
	return func() {
		rawCallback()
	}
}

// OverrideGReserved5 sets the "_g_reserved5" callback function.
func (x *OutputStreamClass) OverrideGReserved5(cb func()) {
	if cb == nil {
		x.xGReserved5 = 0
	} else {
		x.xGReserved5 = purego.NewCallback(func() {
			cb()
		})
	}
}

// GetGReserved5 gets the "_g_reserved5" callback function.
func (x *OutputStreamClass) GetGReserved5() func() {
	if x.xGReserved5 == 0 {
		return nil
	}
	var rawCallback func()
	purego.RegisterFunc(&rawCallback, x.xGReserved5)
	return func() {
		rawCallback()
	}
}

// OverrideGReserved6 sets the "_g_reserved6" callback function.
func (x *OutputStreamClass) OverrideGReserved6(cb func()) {
	if cb == nil {
		x.xGReserved6 = 0
	} else {
		x.xGReserved6 = purego.NewCallback(func() {
			cb()
		})
	}
}

// GetGReserved6 gets the "_g_reserved6" callback function.
func (x *OutputStreamClass) GetGReserved6() func() {
	if x.xGReserved6 == 0 {
		return nil
	}
	var rawCallback func()
	purego.RegisterFunc(&rawCallback, x.xGReserved6)
	return func() {
		rawCallback()
	}
}

// OverrideGReserved7 sets the "_g_reserved7" callback function.
func (x *OutputStreamClass) OverrideGReserved7(cb func()) {
	if cb == nil {
		x.xGReserved7 = 0
	} else {
		x.xGReserved7 = purego.NewCallback(func() {
			cb()
		})
	}
}

// GetGReserved7 gets the "_g_reserved7" callback function.
func (x *OutputStreamClass) GetGReserved7() func() {
	if x.xGReserved7 == 0 {
		return nil
	}
	var rawCallback func()
	purego.RegisterFunc(&rawCallback, x.xGReserved7)
	return func() {
		rawCallback()
	}
}

// OverrideGReserved8 sets the "_g_reserved8" callback function.
func (x *OutputStreamClass) OverrideGReserved8(cb func()) {
	if cb == nil {
		x.xGReserved8 = 0
	} else {
		x.xGReserved8 = purego.NewCallback(func() {
			cb()
		})
	}
}

// GetGReserved8 gets the "_g_reserved8" callback function.
func (x *OutputStreamClass) GetGReserved8() func() {
	if x.xGReserved8 == 0 {
		return nil
	}
	var rawCallback func()
	purego.RegisterFunc(&rawCallback, x.xGReserved8)
	return func() {
		rawCallback()
	}
}

type OutputStreamPrivate struct {
	_ structs.HostLayout
}

func (x *OutputStreamPrivate) GoPointer() uintptr {
	return uintptr(unsafe.Pointer(x))
}

// `GOutputStream` is a base class for implementing streaming output.
//
// It has functions to write to a stream ([method@Gio.OutputStream.write]),
// to close a stream ([method@Gio.OutputStream.close]) and to flush pending
// writes ([method@Gio.OutputStream.flush]).
//
// To copy the content of an input stream to an output stream without
// manually handling the reads and writes, use [method@Gio.OutputStream.splice].
//
// See the documentation for [class@Gio.IOStream] for details of thread safety
// of streaming APIs.
//
// All of these functions have async variants too.
//
// All classes derived from `GOutputStream` *should* implement synchronous
// writing, splicing, flushing and closing streams, but *may* implement
// asynchronous versions.
type OutputStream struct {
	gobject.Object
}

var xOutputStreamGLibType func() types.GType

func OutputStreamGLibType() types.GType {
	return xOutputStreamGLibType()
}

func OutputStreamNewFromInternalPtr(ptr uintptr) *OutputStream {
	cls := &OutputStream{}
	cls.Ptr = ptr
	return cls
}

var xOutputStreamClearPending func(uintptr)

// Clears the pending flag on @stream.
func (x *OutputStream) ClearPending() {

	xOutputStreamClearPending(x.GoPointer())

}

var xOutputStreamClose func(uintptr, uintptr, **glib.Error) bool

// Closes the stream, releasing resources related to it.
//
// Once the stream is closed, all other operations will return %G_IO_ERROR_CLOSED.
// Closing a stream multiple times will not return an error.
//
// Closing a stream will automatically flush any outstanding buffers in the
// stream.
//
// Streams will be automatically closed when the last reference
// is dropped, but you might want to call this function to make sure
// resources are released as early as possible.
//
// Some streams might keep the backing store of the stream (e.g. a file descriptor)
// open after the stream is closed. See the documentation for the individual
// stream for details.
//
// On failure the first error that happened will be reported, but the close
// operation will finish as much as possible. A stream that failed to
// close will still return %G_IO_ERROR_CLOSED for all operations. Still, it
// is important to check and report the error to the user, otherwise
// there might be a loss of data as all data might not be written.
//
// If @cancellable is not %NULL, then the operation can be cancelled by
// triggering the cancellable object from another thread. If the operation
// was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
// Cancelling a close will still leave the stream closed, but there some streams
// can use a faster close that doesn't block to e.g. check errors. On
// cancellation (as with any error) there is no guarantee that all written
// data will reach the target.
func (x *OutputStream) Close(CancellableVar *Cancellable) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamClose(x.GoPointer(), CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamCloseAsync func(uintptr, int, uintptr, uintptr, uintptr)

// Requests an asynchronous close of the stream, releasing resources
// related to it. When the operation is finished @callback will be
// called. You can then call g_output_stream_close_finish() to get
// the result of the operation.
//
// For behaviour details see g_output_stream_close().
//
// The asynchronous methods have a default fallback that uses threads
// to implement asynchronicity, so they are optional for inheriting
// classes. However, if you override one you must override all.
func (x *OutputStream) CloseAsync(IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamCloseAsync(x.GoPointer(), IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamCloseFinish func(uintptr, uintptr, **glib.Error) bool

// Closes an output stream.
func (x *OutputStream) CloseFinish(ResultVar AsyncResult) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamCloseFinish(x.GoPointer(), ResultVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamFlush func(uintptr, uintptr, **glib.Error) bool

// Forces a write of all user-space buffered data for the given
// @stream. Will block during the operation. Closing the stream will
// implicitly cause a flush.
//
// This function is optional for inherited classes.
//
// If @cancellable is not %NULL, then the operation can be cancelled by
// triggering the cancellable object from another thread. If the operation
// was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
func (x *OutputStream) Flush(CancellableVar *Cancellable) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamFlush(x.GoPointer(), CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamFlushAsync func(uintptr, int, uintptr, uintptr, uintptr)

// Forces an asynchronous write of all user-space buffered data for
// the given @stream.
// For behaviour details see g_output_stream_flush().
//
// When the operation is finished @callback will be
// called. You can then call g_output_stream_flush_finish() to get the
// result of the operation.
func (x *OutputStream) FlushAsync(IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamFlushAsync(x.GoPointer(), IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamFlushFinish func(uintptr, uintptr, **glib.Error) bool

// Finishes flushing an output stream.
func (x *OutputStream) FlushFinish(ResultVar AsyncResult) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamFlushFinish(x.GoPointer(), ResultVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamHasPending func(uintptr) bool

// Checks if an output stream has pending actions.
func (x *OutputStream) HasPending() bool {

	cret := xOutputStreamHasPending(x.GoPointer())
	return cret
}

var xOutputStreamIsClosed func(uintptr) bool

// Checks if an output stream has already been closed.
func (x *OutputStream) IsClosed() bool {

	cret := xOutputStreamIsClosed(x.GoPointer())
	return cret
}

var xOutputStreamIsClosing func(uintptr) bool

// Checks if an output stream is being closed. This can be
// used inside e.g. a flush implementation to see if the
// flush (or other i/o operation) is called from within
// the closing operation.
func (x *OutputStream) IsClosing() bool {

	cret := xOutputStreamIsClosing(x.GoPointer())
	return cret
}

var xOutputStreamPrintf func(uintptr, *uint, uintptr, **glib.Error, string, ...interface{}) bool

// This is a utility function around g_output_stream_write_all(). It
// uses g_strdup_vprintf() to turn @format and @... into a string that
// is then written to @stream.
//
// See the documentation of g_output_stream_write_all() about the
// behavior of the actual write operation.
//
// Note that partial writes cannot be properly checked with this
// function due to the variable length of the written string, if you
// need precise control over partial write failures, you need to
// create you own printf()-like wrapper around g_output_stream_write()
// or g_output_stream_write_all().
func (x *OutputStream) Printf(BytesWrittenVar *uint, CancellableVar *Cancellable, ErrorVar **glib.Error, FormatVar string, varArgs ...interface{}) bool {

	cret := xOutputStreamPrintf(x.GoPointer(), BytesWrittenVar, CancellableVar.GoPointer(), ErrorVar, FormatVar, varArgs...)
	return cret
}

var xOutputStreamSetPending func(uintptr) bool

// Sets @stream to have actions pending. If the pending flag is
// already set or @stream is closed, it will return %FALSE and set
// @error.
func (x *OutputStream) SetPending() (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamSetPending(x.GoPointer())
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamSplice func(uintptr, uintptr, OutputStreamSpliceFlags, uintptr, **glib.Error) int

// Splices an input stream into an output stream.
func (x *OutputStream) Splice(SourceVar *InputStream, FlagsVar OutputStreamSpliceFlags, CancellableVar *Cancellable) (int, error) {
	var cerr *glib.Error

	cret := xOutputStreamSplice(x.GoPointer(), SourceVar.GoPointer(), FlagsVar, CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamSpliceAsync func(uintptr, uintptr, OutputStreamSpliceFlags, int, uintptr, uintptr, uintptr)

// Splices a stream asynchronously.
// When the operation is finished @callback will be called.
// You can then call g_output_stream_splice_finish() to get the
// result of the operation.
//
// For the synchronous, blocking version of this function, see
// g_output_stream_splice().
func (x *OutputStream) SpliceAsync(SourceVar *InputStream, FlagsVar OutputStreamSpliceFlags, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamSpliceAsync(x.GoPointer(), SourceVar.GoPointer(), FlagsVar, IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamSpliceFinish func(uintptr, uintptr, **glib.Error) int

// Finishes an asynchronous stream splice operation.
func (x *OutputStream) SpliceFinish(ResultVar AsyncResult) (int, error) {
	var cerr *glib.Error

	cret := xOutputStreamSpliceFinish(x.GoPointer(), ResultVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamVprintf func(uintptr, *uint, uintptr, **glib.Error, string, []interface{}) bool

// This is a utility function around g_output_stream_write_all(). It
// uses g_strdup_vprintf() to turn @format and @args into a string that
// is then written to @stream.
//
// See the documentation of g_output_stream_write_all() about the
// behavior of the actual write operation.
//
// Note that partial writes cannot be properly checked with this
// function due to the variable length of the written string, if you
// need precise control over partial write failures, you need to
// create you own printf()-like wrapper around g_output_stream_write()
// or g_output_stream_write_all().
func (x *OutputStream) Vprintf(BytesWrittenVar *uint, CancellableVar *Cancellable, ErrorVar **glib.Error, FormatVar string, ArgsVar []interface{}) bool {

	cret := xOutputStreamVprintf(x.GoPointer(), BytesWrittenVar, CancellableVar.GoPointer(), ErrorVar, FormatVar, ArgsVar)
	return cret
}

var xOutputStreamWrite func(uintptr, []byte, uint, uintptr, **glib.Error) int

// Tries to write @count bytes from @buffer into the stream. Will block
// during the operation.
//
// If count is 0, returns 0 and does nothing. A value of @count
// larger than %G_MAXSSIZE will cause a %G_IO_ERROR_INVALID_ARGUMENT error.
//
// On success, the number of bytes written to the stream is returned.
// It is not an error if this is not the same as the requested size, as it
// can happen e.g. on a partial I/O error, or if there is not enough
// storage in the stream. All writes block until at least one byte
// is written or an error occurs; 0 is never returned (unless
// @count is 0).
//
// If @cancellable is not %NULL, then the operation can be cancelled by
// triggering the cancellable object from another thread. If the operation
// was cancelled, the error %G_IO_ERROR_CANCELLED will be returned. If an
// operation was partially finished when the operation was cancelled the
// partial result will be returned, without an error.
//
// On error -1 is returned and @error is set accordingly.
func (x *OutputStream) Write(BufferVar []byte, CountVar uint, CancellableVar *Cancellable) (int, error) {
	var cerr *glib.Error

	cret := xOutputStreamWrite(x.GoPointer(), BufferVar, CountVar, CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWriteAll func(uintptr, []byte, uint, *uint, uintptr, **glib.Error) bool

// Tries to write @count bytes from @buffer into the stream. Will block
// during the operation.
//
// This function is similar to g_output_stream_write(), except it tries to
// write as many bytes as requested, only stopping on an error.
//
// On a successful write of @count bytes, %TRUE is returned, and @bytes_written
// is set to @count.
//
// If there is an error during the operation %FALSE is returned and @error
// is set to indicate the error status.
//
// As a special exception to the normal conventions for functions that
// use #GError, if this function returns %FALSE (and sets @error) then
// @bytes_written will be set to the number of bytes that were
// successfully written before the error was encountered.  This
// functionality is only available from C.  If you need it from another
// language then you must write your own loop around
// g_output_stream_write().
func (x *OutputStream) WriteAll(BufferVar []byte, CountVar uint, BytesWrittenVar *uint, CancellableVar *Cancellable) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamWriteAll(x.GoPointer(), BufferVar, CountVar, BytesWrittenVar, CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWriteAllAsync func(uintptr, []byte, uint, int, uintptr, uintptr, uintptr)

// Request an asynchronous write of @count bytes from @buffer into
// the stream. When the operation is finished @callback will be called.
// You can then call g_output_stream_write_all_finish() to get the result of the
// operation.
//
// This is the asynchronous version of g_output_stream_write_all().
//
// Call g_output_stream_write_all_finish() to collect the result.
//
// Any outstanding I/O request with higher priority (lower numerical
// value) will be executed before an outstanding request with lower
// priority. Default priority is %G_PRIORITY_DEFAULT.
//
// Note that no copy of @buffer will be made, so it must stay valid
// until @callback is called.
func (x *OutputStream) WriteAllAsync(BufferVar []byte, CountVar uint, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamWriteAllAsync(x.GoPointer(), BufferVar, CountVar, IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamWriteAllFinish func(uintptr, uintptr, *uint, **glib.Error) bool

// Finishes an asynchronous stream write operation started with
// g_output_stream_write_all_async().
//
// As a special exception to the normal conventions for functions that
// use #GError, if this function returns %FALSE (and sets @error) then
// @bytes_written will be set to the number of bytes that were
// successfully written before the error was encountered.  This
// functionality is only available from C.  If you need it from another
// language then you must write your own loop around
// g_output_stream_write_async().
func (x *OutputStream) WriteAllFinish(ResultVar AsyncResult, BytesWrittenVar *uint) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamWriteAllFinish(x.GoPointer(), ResultVar.GoPointer(), BytesWrittenVar, &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWriteAsync func(uintptr, []byte, uint, int, uintptr, uintptr, uintptr)

// Request an asynchronous write of @count bytes from @buffer into
// the stream. When the operation is finished @callback will be called.
// You can then call g_output_stream_write_finish() to get the result of the
// operation.
//
// During an async request no other sync and async calls are allowed,
// and will result in %G_IO_ERROR_PENDING errors.
//
// A value of @count larger than %G_MAXSSIZE will cause a
// %G_IO_ERROR_INVALID_ARGUMENT error.
//
// On success, the number of bytes written will be passed to the
// @callback. It is not an error if this is not the same as the
// requested size, as it can happen e.g. on a partial I/O error,
// but generally we try to write as many bytes as requested.
//
// You are guaranteed that this method will never fail with
// %G_IO_ERROR_WOULD_BLOCK - if @stream can't accept more data, the
// method will just wait until this changes.
//
// Any outstanding I/O request with higher priority (lower numerical
// value) will be executed before an outstanding request with lower
// priority. Default priority is %G_PRIORITY_DEFAULT.
//
// The asynchronous methods have a default fallback that uses threads
// to implement asynchronicity, so they are optional for inheriting
// classes. However, if you override one you must override all.
//
// For the synchronous, blocking version of this function, see
// g_output_stream_write().
//
// Note that no copy of @buffer will be made, so it must stay valid
// until @callback is called. See g_output_stream_write_bytes_async()
// for a #GBytes version that will automatically hold a reference to
// the contents (without copying) for the duration of the call.
func (x *OutputStream) WriteAsync(BufferVar []byte, CountVar uint, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamWriteAsync(x.GoPointer(), BufferVar, CountVar, IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamWriteBytes func(uintptr, *glib.Bytes, uintptr, **glib.Error) int

// A wrapper function for g_output_stream_write() which takes a
// #GBytes as input.  This can be more convenient for use by language
// bindings or in other cases where the refcounted nature of #GBytes
// is helpful over a bare pointer interface.
//
// However, note that this function may still perform partial writes,
// just like g_output_stream_write().  If that occurs, to continue
// writing, you will need to create a new #GBytes containing just the
// remaining bytes, using g_bytes_new_from_bytes(). Passing the same
// #GBytes instance multiple times potentially can result in duplicated
// data in the output stream.
func (x *OutputStream) WriteBytes(BytesVar *glib.Bytes, CancellableVar *Cancellable) (int, error) {
	var cerr *glib.Error

	cret := xOutputStreamWriteBytes(x.GoPointer(), BytesVar, CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWriteBytesAsync func(uintptr, *glib.Bytes, int, uintptr, uintptr, uintptr)

// This function is similar to g_output_stream_write_async(), but
// takes a #GBytes as input.  Due to the refcounted nature of #GBytes,
// this allows the stream to avoid taking a copy of the data.
//
// However, note that this function may still perform partial writes,
// just like g_output_stream_write_async(). If that occurs, to continue
// writing, you will need to create a new #GBytes containing just the
// remaining bytes, using g_bytes_new_from_bytes(). Passing the same
// #GBytes instance multiple times potentially can result in duplicated
// data in the output stream.
//
// For the synchronous, blocking version of this function, see
// g_output_stream_write_bytes().
func (x *OutputStream) WriteBytesAsync(BytesVar *glib.Bytes, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamWriteBytesAsync(x.GoPointer(), BytesVar, IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamWriteBytesFinish func(uintptr, uintptr, **glib.Error) int

// Finishes a stream write-from-#GBytes operation.
func (x *OutputStream) WriteBytesFinish(ResultVar AsyncResult) (int, error) {
	var cerr *glib.Error

	cret := xOutputStreamWriteBytesFinish(x.GoPointer(), ResultVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWriteFinish func(uintptr, uintptr, **glib.Error) int

// Finishes a stream write operation.
func (x *OutputStream) WriteFinish(ResultVar AsyncResult) (int, error) {
	var cerr *glib.Error

	cret := xOutputStreamWriteFinish(x.GoPointer(), ResultVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWritev func(uintptr, []OutputVector, uint, *uint, uintptr, **glib.Error) bool

// Tries to write the bytes contained in the @n_vectors @vectors into the
// stream. Will block during the operation.
//
// If @n_vectors is 0 or the sum of all bytes in @vectors is 0, returns 0 and
// does nothing.
//
// On success, the number of bytes written to the stream is returned.
// It is not an error if this is not the same as the requested size, as it
// can happen e.g. on a partial I/O error, or if there is not enough
// storage in the stream. All writes block until at least one byte
// is written or an error occurs; 0 is never returned (unless
// @n_vectors is 0 or the sum of all bytes in @vectors is 0).
//
// If @cancellable is not %NULL, then the operation can be cancelled by
// triggering the cancellable object from another thread. If the operation
// was cancelled, the error %G_IO_ERROR_CANCELLED will be returned. If an
// operation was partially finished when the operation was cancelled the
// partial result will be returned, without an error.
//
// Some implementations of g_output_stream_writev() may have limitations on the
// aggregate buffer size, and will return %G_IO_ERROR_INVALID_ARGUMENT if these
// are exceeded. For example, when writing to a local file on UNIX platforms,
// the aggregate buffer size must not exceed %G_MAXSSIZE bytes.
func (x *OutputStream) Writev(VectorsVar []OutputVector, NVectorsVar uint, BytesWrittenVar *uint, CancellableVar *Cancellable) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamWritev(x.GoPointer(), VectorsVar, NVectorsVar, BytesWrittenVar, CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWritevAll func(uintptr, []OutputVector, uint, *uint, uintptr, **glib.Error) bool

// Tries to write the bytes contained in the @n_vectors @vectors into the
// stream. Will block during the operation.
//
// This function is similar to g_output_stream_writev(), except it tries to
// write as many bytes as requested, only stopping on an error.
//
// On a successful write of all @n_vectors vectors, %TRUE is returned, and
// @bytes_written is set to the sum of all the sizes of @vectors.
//
// If there is an error during the operation %FALSE is returned and @error
// is set to indicate the error status.
//
// As a special exception to the normal conventions for functions that
// use #GError, if this function returns %FALSE (and sets @error) then
// @bytes_written will be set to the number of bytes that were
// successfully written before the error was encountered.  This
// functionality is only available from C. If you need it from another
// language then you must write your own loop around
// g_output_stream_write().
//
// The content of the individual elements of @vectors might be changed by this
// function.
func (x *OutputStream) WritevAll(VectorsVar []OutputVector, NVectorsVar uint, BytesWrittenVar *uint, CancellableVar *Cancellable) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamWritevAll(x.GoPointer(), VectorsVar, NVectorsVar, BytesWrittenVar, CancellableVar.GoPointer(), &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWritevAllAsync func(uintptr, []OutputVector, uint, int, uintptr, uintptr, uintptr)

// Request an asynchronous write of the bytes contained in the @n_vectors @vectors into
// the stream. When the operation is finished @callback will be called.
// You can then call g_output_stream_writev_all_finish() to get the result of the
// operation.
//
// This is the asynchronous version of g_output_stream_writev_all().
//
// Call g_output_stream_writev_all_finish() to collect the result.
//
// Any outstanding I/O request with higher priority (lower numerical
// value) will be executed before an outstanding request with lower
// priority. Default priority is %G_PRIORITY_DEFAULT.
//
// Note that no copy of @vectors will be made, so it must stay valid
// until @callback is called. The content of the individual elements
// of @vectors might be changed by this function.
func (x *OutputStream) WritevAllAsync(VectorsVar []OutputVector, NVectorsVar uint, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamWritevAllAsync(x.GoPointer(), VectorsVar, NVectorsVar, IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamWritevAllFinish func(uintptr, uintptr, *uint, **glib.Error) bool

// Finishes an asynchronous stream write operation started with
// g_output_stream_writev_all_async().
//
// As a special exception to the normal conventions for functions that
// use #GError, if this function returns %FALSE (and sets @error) then
// @bytes_written will be set to the number of bytes that were
// successfully written before the error was encountered.  This
// functionality is only available from C.  If you need it from another
// language then you must write your own loop around
// g_output_stream_writev_async().
func (x *OutputStream) WritevAllFinish(ResultVar AsyncResult, BytesWrittenVar *uint) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamWritevAllFinish(x.GoPointer(), ResultVar.GoPointer(), BytesWrittenVar, &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

var xOutputStreamWritevAsync func(uintptr, []OutputVector, uint, int, uintptr, uintptr, uintptr)

// Request an asynchronous write of the bytes contained in @n_vectors @vectors into
// the stream. When the operation is finished @callback will be called.
// You can then call g_output_stream_writev_finish() to get the result of the
// operation.
//
// During an async request no other sync and async calls are allowed,
// and will result in %G_IO_ERROR_PENDING errors.
//
// On success, the number of bytes written will be passed to the
// @callback. It is not an error if this is not the same as the
// requested size, as it can happen e.g. on a partial I/O error,
// but generally we try to write as many bytes as requested.
//
// You are guaranteed that this method will never fail with
// %G_IO_ERROR_WOULD_BLOCK — if @stream can't accept more data, the
// method will just wait until this changes.
//
// Any outstanding I/O request with higher priority (lower numerical
// value) will be executed before an outstanding request with lower
// priority. Default priority is %G_PRIORITY_DEFAULT.
//
// The asynchronous methods have a default fallback that uses threads
// to implement asynchronicity, so they are optional for inheriting
// classes. However, if you override one you must override all.
//
// For the synchronous, blocking version of this function, see
// g_output_stream_writev().
//
// Note that no copy of @vectors will be made, so it must stay valid
// until @callback is called.
func (x *OutputStream) WritevAsync(VectorsVar []OutputVector, NVectorsVar uint, IoPriorityVar int, CancellableVar *Cancellable, CallbackVar *AsyncReadyCallback, UserDataVar uintptr) {

	var CallbackVarRef uintptr
	if CallbackVar != nil {
		CallbackVarPtr := uintptr(unsafe.Pointer(CallbackVar))
		if cbRefPtr, ok := glib.GetCallback(CallbackVarPtr); ok {
			CallbackVarRef = cbRefPtr
		} else {
			fcb := func(arg0 uintptr, arg1 uintptr, arg2 uintptr) {
				cbFn := *CallbackVar
				cbFn(arg0, arg1, arg2)
			}
			CallbackVarRef = purego.NewCallback(fcb)
			glib.SaveCallbackWithClosure(CallbackVarPtr, CallbackVarRef, CallbackVar)
		}
	}

	xOutputStreamWritevAsync(x.GoPointer(), VectorsVar, NVectorsVar, IoPriorityVar, CancellableVar.GoPointer(), CallbackVarRef, UserDataVar)

}

var xOutputStreamWritevFinish func(uintptr, uintptr, *uint, **glib.Error) bool

// Finishes a stream writev operation.
func (x *OutputStream) WritevFinish(ResultVar AsyncResult, BytesWrittenVar *uint) (bool, error) {
	var cerr *glib.Error

	cret := xOutputStreamWritevFinish(x.GoPointer(), ResultVar.GoPointer(), BytesWrittenVar, &cerr)
	if cerr == nil {
		return cret, nil
	}
	return cret, cerr

}

func (c *OutputStream) GoPointer() uintptr {
	if c == nil {
		return 0
	}
	return c.Ptr
}

func (c *OutputStream) SetGoPointer(ptr uintptr) {
	c.Ptr = ptr
}

func init() {
	core.SetPackageName("GIO", "gio-2.0")
	core.SetSharedLibraries("GIO", []string{"libgio-2.0.so.0"})
	var libs []uintptr
	for _, libPath := range core.GetPaths("GIO") {
		lib, err := purego.Dlopen(libPath, purego.RTLD_NOW|purego.RTLD_GLOBAL)
		if err != nil {
			panic(err)
		}
		libs = append(libs, lib)
	}

	core.PuregoSafeRegister(&xOutputStreamGLibType, libs, "g_output_stream_get_type")

	core.PuregoSafeRegister(&xOutputStreamClearPending, libs, "g_output_stream_clear_pending")
	core.PuregoSafeRegister(&xOutputStreamClose, libs, "g_output_stream_close")
	core.PuregoSafeRegister(&xOutputStreamCloseAsync, libs, "g_output_stream_close_async")
	core.PuregoSafeRegister(&xOutputStreamCloseFinish, libs, "g_output_stream_close_finish")
	core.PuregoSafeRegister(&xOutputStreamFlush, libs, "g_output_stream_flush")
	core.PuregoSafeRegister(&xOutputStreamFlushAsync, libs, "g_output_stream_flush_async")
	core.PuregoSafeRegister(&xOutputStreamFlushFinish, libs, "g_output_stream_flush_finish")
	core.PuregoSafeRegister(&xOutputStreamHasPending, libs, "g_output_stream_has_pending")
	core.PuregoSafeRegister(&xOutputStreamIsClosed, libs, "g_output_stream_is_closed")
	core.PuregoSafeRegister(&xOutputStreamIsClosing, libs, "g_output_stream_is_closing")
	core.PuregoSafeRegister(&xOutputStreamPrintf, libs, "g_output_stream_printf")
	core.PuregoSafeRegister(&xOutputStreamSetPending, libs, "g_output_stream_set_pending")
	core.PuregoSafeRegister(&xOutputStreamSplice, libs, "g_output_stream_splice")
	core.PuregoSafeRegister(&xOutputStreamSpliceAsync, libs, "g_output_stream_splice_async")
	core.PuregoSafeRegister(&xOutputStreamSpliceFinish, libs, "g_output_stream_splice_finish")
	core.PuregoSafeRegister(&xOutputStreamVprintf, libs, "g_output_stream_vprintf")
	core.PuregoSafeRegister(&xOutputStreamWrite, libs, "g_output_stream_write")
	core.PuregoSafeRegister(&xOutputStreamWriteAll, libs, "g_output_stream_write_all")
	core.PuregoSafeRegister(&xOutputStreamWriteAllAsync, libs, "g_output_stream_write_all_async")
	core.PuregoSafeRegister(&xOutputStreamWriteAllFinish, libs, "g_output_stream_write_all_finish")
	core.PuregoSafeRegister(&xOutputStreamWriteAsync, libs, "g_output_stream_write_async")
	core.PuregoSafeRegister(&xOutputStreamWriteBytes, libs, "g_output_stream_write_bytes")
	core.PuregoSafeRegister(&xOutputStreamWriteBytesAsync, libs, "g_output_stream_write_bytes_async")
	core.PuregoSafeRegister(&xOutputStreamWriteBytesFinish, libs, "g_output_stream_write_bytes_finish")
	core.PuregoSafeRegister(&xOutputStreamWriteFinish, libs, "g_output_stream_write_finish")
	core.PuregoSafeRegister(&xOutputStreamWritev, libs, "g_output_stream_writev")
	core.PuregoSafeRegister(&xOutputStreamWritevAll, libs, "g_output_stream_writev_all")
	core.PuregoSafeRegister(&xOutputStreamWritevAllAsync, libs, "g_output_stream_writev_all_async")
	core.PuregoSafeRegister(&xOutputStreamWritevAllFinish, libs, "g_output_stream_writev_all_finish")
	core.PuregoSafeRegister(&xOutputStreamWritevAsync, libs, "g_output_stream_writev_async")
	core.PuregoSafeRegister(&xOutputStreamWritevFinish, libs, "g_output_stream_writev_finish")

}