//export sourceFill
func sourceFill(dinfo *C.struct_jpeg_decompress_struct) C.boolean {
mgr := getSourceManager(dinfo)
buffer := [readBufferSize]byte{}
bytes, err := mgr.src.Read(buffer[:])
C.memcpy(mgr.buffer, unsafe.Pointer(&buffer[0]), C.size_t(bytes))
mgr.pub.bytes_in_buffer = C.size_t(bytes)
mgr.currentSize = bytes
mgr.pub.next_input_byte = (*C.JOCTET)(mgr.buffer)
if err == io.EOF {
if bytes == 0 {
if mgr.startOfFile {
releaseSourceManager(mgr)
panic("input is empty")
}
// EOF and need more data. Fill in a fake EOI to get a partial image.
footer := []byte{0xff, C.JPEG_EOI}
C.memcpy(mgr.buffer, unsafe.Pointer(&footer[0]), C.size_t(len(footer)))
mgr.pub.bytes_in_buffer = 2
}
} else if err != nil {
releaseSourceManager(mgr)
panic(err)
}
mgr.startOfFile = false
return C.TRUE
}
//export callback_friend_request
func callback_friend_request(
c_tox *C.Tox,
c_public_key *C.uint8_t,
c_message *C.uint8_t,
c_length C.size_t,
c_user_data unsafe.Pointer,
) {
// Initialize variables.
tox := (*Tox)(c_user_data)
var publicKey ToxPublicKey
message := make([]byte, c_length)
// Copy the public key.
C.memcpy(
unsafe.Pointer(&publicKey[0]),
unsafe.Pointer(c_public_key),
ToxPublicKeySize,
)
// Copy the friend request message.
if c_length > 0 {
C.memcpy(
unsafe.Pointer(&message[0]),
unsafe.Pointer(c_message),
c_length,
)
}
// Register the callback.
tox.onFriendRequest(tox, publicKey, message)
}
func fill_pdu_for_test_crypt(is_encrypt bool, pt C.enum_snmp_privacy, salt, key, data []byte) ([]byte, error) {
var digest [100000]byte
var pdu C.snmp_pdu_t
C.snmp_pdu_init(&pdu)
pdu.user.priv_proto = pt
C.memcpy(unsafe.Pointer(&pdu.user.priv_key[0]), unsafe.Pointer(&key[0]), C.size_t(C.SNMP_PRIV_KEY_SIZ))
pdu.user.priv_len = C.size_t(16) //C.size_t(C.SNMP_PRIV_KEY_SIZ) //(au == SNMP_PRIV_DES ) ? SNMP_AUTH_HMACMD5_KEY_SIZ : SNMP_AUTH_HMACSHA_KEY_SIZ;
pdu.engine.engine_boots = 3
pdu.engine.engine_time = 3
C.memcpy(unsafe.Pointer(&pdu.msg_salt[0]), unsafe.Pointer(&salt[0]), 8)
copy(digest[:], data)
pdu.scoped_ptr = (*C.u_char)(unsafe.Pointer(&digest[0]))
pdu.scoped_len = C.size_t((len(data) / 8) * 8)
var ret_code C.enum_snmp_code
if is_encrypt {
ret_code = C.snmp_pdu_encrypt(&pdu)
} else {
ret_code = C.snmp_pdu_decrypt(&pdu)
}
if 0 != ret_code {
err := errors.New(C.GoString(C.snmp_pdu_get_error(&pdu, ret_code)))
return nil, err
}
return readGoBytes((*C.uint8_t)(pdu.scoped_ptr), C.uint32_t(pdu.scoped_len)), nil
}
//export ReadMsgpackFrame
//
// ReadMsgpackFrame reads the msgpack frame at byteOffset in rawStream, decodes the
// 2-5 bytes of a msgpack binary array (either bin8, bin16, or bin32), and returns
// and the decoded-into-R object and the next byteOffset to use.
//
func ReadMsgpackFrame(rawStream C.SEXP, byteOffset C.SEXP) C.SEXP {
var start int
if C.TYPEOF(byteOffset) == C.REALSXP {
start = int(C.get_real_elt(byteOffset, 0))
} else if C.TYPEOF(byteOffset) == C.INTSXP {
start = int(C.get_int_elt(byteOffset, 0))
} else {
C.ReportErrorToR_NoReturn(C.CString("read.msgpack.frame(x, byteOffset) requires byteOffset to be a numeric byte-offset number."))
}
// rawStream must be a RAWSXP
if C.TYPEOF(rawStream) != C.RAWSXP {
C.ReportErrorToR_NoReturn(C.CString("read.msgpack.frame(x, byteOffset) requires x be a RAW vector of bytes."))
}
n := int(C.Rf_xlength(rawStream))
if n == 0 {
return C.R_NilValue
}
if start >= n {
C.ReportErrorToR_NoReturn(C.CString(fmt.Sprintf("read.msgpack.frame(x, byteOffset) error: byteOffset(%d) is beyond the length of x (x has len %d).", start, n)))
}
var decoder [5]byte
C.memcpy(unsafe.Pointer(&decoder[0]), unsafe.Pointer(C.get_raw_elt_ptr(rawStream, C.ulonglong(start))), C.size_t(5))
headerSz, _, totalSz, err := DecodeMsgpackBinArrayHeader(decoder[:])
if err != nil {
C.ReportErrorToR_NoReturn(C.CString(fmt.Sprintf("ReadMsgpackFrame error trying to decode msgpack frame: %s", err)))
}
if start+totalSz > n {
C.ReportErrorToR_NoReturn(C.CString(fmt.Sprintf("read.msgpack.frame(x, byteOffset) error: byteOffset(%d) plus the frames size(%d) goes beyond the length of x (x has len %d).", start, totalSz, n)))
}
bytes := make([]byte, totalSz)
C.memcpy(unsafe.Pointer(&bytes[0]), unsafe.Pointer(C.get_raw_elt_ptr(rawStream, C.ulonglong(start))), C.size_t(totalSz))
rObject := decodeMsgpackToR(bytes[headerSz:])
C.Rf_protect(rObject)
returnList := C.allocVector(C.VECSXP, C.R_xlen_t(2))
C.Rf_protect(returnList)
C.SET_VECTOR_ELT(returnList, C.R_xlen_t(0), C.Rf_ScalarReal(C.double(float64(start+totalSz))))
C.SET_VECTOR_ELT(returnList, C.R_xlen_t(1), rObject)
C.Rf_unprotect_ptr(rObject)
C.Rf_unprotect_ptr(returnList)
return returnList
}
/*
Receive a message part from a socket.
For a description of flags, see: http://api.zeromq.org/2-2:zmq-recv#toc2
*/
func (soc *Socket) RecvBytes(flags Flag) ([]byte, error) {
var msg C.zmq_msg_t
if i, err := C.zmq_msg_init(&msg); i != 0 {
return []byte{}, errget(err)
}
defer C.zmq_msg_close(&msg)
var size C.int
var err error
var i C.int
i, err = C.zmq_recv(soc.soc, &msg, C.int(flags))
if i == 0 {
size = C.int(C.zmq_msg_size(&msg))
} else {
size = -1
}
if size < 0 {
return []byte{}, errget(err)
}
if size == 0 {
return []byte{}, nil
}
data := make([]byte, int(size))
C.memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&msg), C.size_t(size))
return data, nil
}
// Receive a message from the socket.
// int zmq_recv (void *s, zmq_msg_t *msg, int flags);
func (s *zmqSocket) Recv(flags SendRecvOption) (data []byte, err error) {
// Allocate and initialise a new zmq_msg_t
err = nil
var m C.zmq_msg_t
if C.zmq_msg_init(&m) != 0 {
println("init")
err = errno()
return
}
defer C.zmq_msg_close(&m)
// Receive into message
if C.zmq_recvmsg(s.s, &m, C.int(flags)) != 0 {
println("recvmsg")
err = errno()
return
}
// Copy message data into a byte array
// FIXME Ideally this wouldn't require a copy.
size := C.zmq_msg_size(&m)
if size > 0 {
data = make([]byte, int(size))
C.memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&m), size)
} else {
data = nil
}
return
}
func (m *AACDecoder) Decode(data []byte) (sample []byte, err error) {
r := C.aacdec_decode(
&m.m,
(*C.uint8_t)(unsafe.Pointer(&data[0])),
(C.int)(len(data)),
)
if int(r) < 0 {
err = errors.New("decode failed")
return
}
if int(m.m.got) == 0 {
err = errors.New("no data")
return
}
size := int(m.m.f.linesize[0]) * 2
sample = make([]byte, size*2)
for i := 0; i < 2; i++ {
C.memcpy(
unsafe.Pointer(&sample[i*size]),
unsafe.Pointer(m.m.f.data[i]),
(C.size_t)(size),
)
}
return
}
// NewTensor converts from a Go value to a Tensor. Valid values are scalars,
// slices, and arrays. Every element of a slice must have the same length so
// that the resulting Tensor has a valid shape.
func NewTensor(value interface{}) (*Tensor, error) {
val := reflect.ValueOf(value)
dims, dataType, err := dimsAndDataTypeOf(val.Type())
if err != nil {
return nil, err
}
// TODO(ashankar): Remove the bytes.Buffer and endcode directly into
// C-memory, avoiding the memcpy and cutting down memory usage in half.
shape := make([]int64, dims)
buf := new(bytes.Buffer)
if err := encodeTensor(buf, shape, val); err != nil {
return nil, err
}
var shapePtr *C.int64_t
if len(shape) > 0 {
shapePtr = (*C.int64_t)(unsafe.Pointer(&shape[0]))
}
t := &Tensor{
c: C.TF_AllocateTensor(C.TF_DataType(dataType), shapePtr, C.int(len(shape)), C.size_t(buf.Len())),
shape: shape,
}
runtime.SetFinalizer(t, (*Tensor).finalize)
if buf.Len() > 0 {
slice := buf.Bytes() // https://github.com/golang/go/issues/14210
C.memcpy(C.TF_TensorData(t.c), unsafe.Pointer(&slice[0]), C.size_t(buf.Len()))
}
return t, nil
}
func (d *Disassembler) Bytes() []byte {
b := make([]byte, d.Len())
C.memcpy(unsafe.Pointer(&b[0]),
unsafe.Pointer(C.ud_insn_ptr(&d.u)),
C.size_t(d.Len()))
return b
}
//export GoFileWrite
// Returns SQLite error code to be returned by xWrite:
// SQLITE_OK: wrote n bytes
// SQLITE_IOERR_WRITE: got error while writing
// SQLITE_FULL: partial write
func GoFileWrite(fd C.int, src *C.char, n C.int, offset C.long) (rv int) {
println("writing", n, "bytes at offset", offset, "to fd", fd)
defer func() {
println("write returning", rv)
}()
file := GetFile(int(fd))
if file == nil {
return C.SQLITE_IOERR_WRITE
}
// TODO: avoid this copy
buf := make([]byte, n)
C.memcpy(unsafe.Pointer(&buf[0]), unsafe.Pointer(src), C.size_t(len(buf)))
nwritten, err := file.WriteAt(buf, int64(offset))
if err != nil {
if err == os.ENOSPC {
return C.SQLITE_FULL
}
return C.SQLITE_IOERR_WRITE
}
if nwritten != int(n) {
return C.SQLITE_IOERR_WRITE
}
return C.SQLITE_OK
}
//export GoFileRead
// Returns SQLite error code to be returned by xRead:
// SQLITE_OK: read n bytes
// SQLITE_IOERR_READ: got error while reading
// SQLITE_IOERR_SHORT_READ: read fewer than n bytes; rest will be zeroed
func GoFileRead(fd C.int, dst *C.char, n C.int, offset C.long) (rv int) {
println("reading", n, "bytes at offset", offset, "from fd", fd)
defer func() {
println("read returning", rv)
}()
file := GetFile(int(fd))
if file == nil {
return C.SQLITE_IOERR_READ
}
buf := make([]byte, n)
curbuf := buf
for n > 0 {
read, err := file.ReadAt(curbuf, int64(offset))
curbuf = curbuf[read:]
n -= C.int(read)
if err == os.EOF {
break
}
if err != nil {
return C.SQLITE_IOERR_READ
}
}
C.memcpy(unsafe.Pointer(dst), unsafe.Pointer(&buf[0]), C.size_t(len(buf)))
if n != 0 {
return C.SQLITE_IOERR_SHORT_READ
}
return C.SQLITE_OK
}
func (p *Pcap) Next() (*Packet, os.Error) {
var header *C.struct_pcap_pkthdr
var buf *C.u_char
switch C.pcap_next_ex(p.cptr, &header, &buf) {
case 0:
return nil, os.NewError("read time out")
case -1:
return nil, os.NewError(p.Geterror())
case -2:
return nil, os.NewError("savefile eof")
}
ret := new(Packet)
ret.Time.Sec = int32(header.ts.tv_sec)
ret.Time.Usec = int32(header.ts.tv_usec)
ret.Caplen = uint32(header.caplen)
ret.Len = uint32(header.len)
ret.Data = make([]byte, header.caplen)
if header.caplen > 0 {
C.memcpy(unsafe.Pointer(&ret.Data[0]), unsafe.Pointer(buf), C.size_t(header.caplen))
}
return ret, nil
}
// Compile pattern with jit compilation. flagC is Compile flags,
// flagS is study flag.
func CompileJIT(pattern string, flagsC, flagsS int) (Regexp, error) {
patternC := C.CString(pattern)
defer C.free(unsafe.Pointer(patternC))
if clen := int(C.strlen(patternC)); clen != len(pattern) {
return Regexp{}, fmt.Errorf("%s (%d): %s",
pattern,
clen,
"NUL byte in pattern",
)
}
var errptr *C.char
var erroffset C.int
ptr := C.pcre_compile(patternC, C.int(flagsC), &errptr, &erroffset, nil)
if ptr == nil {
return Regexp{}, fmt.Errorf("%s (%d): %s",
pattern,
int(erroffset),
C.GoString(errptr),
)
}
psize := pcresize(ptr)
var re Regexp
re.ptr = make([]byte, psize)
C.memcpy(unsafe.Pointer(&re.ptr[0]), unsafe.Pointer(ptr), psize)
errS := re.study(flagsS)
if errS != nil {
return re, fmt.Errorf("study error: %s", errS)
}
return re, nil
}
func (self *Surface) ClipRectangleList() ([]Rectangle, Status) {
list := C.cairo_copy_clip_rectangle_list(self.context)
defer C.cairo_rectangle_list_destroy(list)
rects := make([]Rectangle, int(list.num_rectangles))
C.memcpy(unsafe.Pointer(&rects[0]), unsafe.Pointer(list.rectangles), C.size_t(list.num_rectangles*8))
return rects, Status(list.status)
}
//export aqbankingGetPasswordFn
func aqbankingGetPasswordFn(token *C.char, buffer unsafe.Pointer, minLen, maxLen int) int {
pin, ok := knownAqbankingPins[C.GoString(token)]
if ok {
C.memcpy(buffer, unsafe.Pointer(C.CString(pin)), C.size_t(len(pin)))
}
return 0
}
//export callback_friend_message
func callback_friend_message(
c_tox *C.Tox,
c_friend_number C.uint32_t,
c_message_type C.TOX_MESSAGE_TYPE,
c_message *C.uint8_t,
c_length C.size_t,
c_user_data unsafe.Pointer,
) {
// Initialize variables.
tox := (*Tox)(c_user_data)
friendNumber := uint32(c_friend_number)
var messageType ToxMessageType
switch c_message_type {
case C.TOX_MESSAGE_TYPE_NORMAL:
messageType = ToxMessageTypeNormal
case C.TOX_MESSAGE_TYPE_ACTION:
messageType = ToxMessageTypeAction
}
message := make([]byte, c_length)
// Copy the chat message.
if c_length > 0 {
C.memcpy(
unsafe.Pointer(&message[0]),
unsafe.Pointer(c_message),
c_length,
)
}
// Register the callback.
tox.onFriendMessage(tox, friendNumber, messageType, message)
}
/* int xs_recv (void *sck,void *buf,size_t len,int flags) */
func (sck *xsSocket) Recv(flags SocketOption) ([]byte, error, uint64) {
var msg C.xs_msg_t
r := C.xs_msg_init(&msg)
if r != 0 {
return nil, errno(), 0
}
defer C.xs_msg_close(&msg)
r = C.xs_recvmsg(sck.sck, &msg, C.int(flags))
if r == -1 {
return nil, errno(), 0
}
size := C.xs_msg_size(&msg)
var more uint64
more_size := C.size_t(unsafe.Sizeof(more))
C.xs_getmsgopt(&msg, C.XS_MORE, unsafe.Pointer(&more), &more_size)
if size > 0 {
data := make([]byte, int(size))
C.memcpy(unsafe.Pointer(&data[0]), C.xs_msg_data(&msg), size)
return data, nil, more
}
return nil, nil, more /* nothing to recv */
}
// Move pattern to the Go heap so that we do not have to use a
// finalizer. PCRE patterns are fully relocatable. (We do not use
// custom character tables.)
func toheap(ptr *C.pcre) (re Regexp) {
defer C.free(unsafe.Pointer(ptr))
size := pcresize(ptr)
re.ptr = make([]byte, size)
C.memcpy(unsafe.Pointer(&re.ptr[0]), unsafe.Pointer(ptr), size)
return
}
func (ctx *TPMContext) Random(n uint32) (rdata []byte, err error) {
var randbytes *C.BYTE
result := C.Tspi_TPM_GetRandom(ctx.tpm, C.UINT32(n), &randbytes)
if result != C.TSS_SUCCESS {
switch result {
case C.TSS_E_INVALID_HANDLE:
return nil, ErrInvalidHandle
case C.TSS_E_INTERNAL_ERROR:
return nil, ErrInternalError
case C.TSS_E_BAD_PARAMETER:
return nil, ErrBadParameter
default:
return nil, ErrUnknown
}
}
rand := C.malloc(C.size_t(n))
if rand != nil {
C.memcpy(rand, unsafe.Pointer(randbytes), C.size_t(n))
rdata = C.GoBytes(rand, C.int(n))
C.free(rand)
}
C.Tspi_Context_FreeMemory(ctx.ctx, randbytes)
return
}
// Import imports the nodes and edges from a serialized representation of
// another Graph into g.
//
// Names of imported nodes will be prefixed with prefix.
func (g *Graph) Import(def []byte, prefix string) error {
cprefix := C.CString(prefix)
defer C.free(unsafe.Pointer(cprefix))
opts := C.TF_NewImportGraphDefOptions()
defer C.TF_DeleteImportGraphDefOptions(opts)
C.TF_ImportGraphDefOptionsSetPrefix(opts, cprefix)
buf := C.TF_NewBuffer()
defer C.TF_DeleteBuffer(buf)
// Would have preferred to use C.CBytes, but that does not play well
// with "go vet" till https://github.com/golang/go/issues/17201 is
// resolved.
buf.length = C.size_t(len(def))
buf.data = C.malloc(buf.length)
if buf.data == nil {
return fmt.Errorf("unable to allocate memory")
}
defer C.free(buf.data)
C.memcpy(buf.data, unsafe.Pointer(&def[0]), buf.length)
status := newStatus()
C.TF_GraphImportGraphDef(g.c, buf, opts, status.c)
if err := status.Err(); err != nil {
return err
}
return nil
}
//export go_ReadResponse
func go_ReadResponse(
self *C.struct__cef_resource_handler_t,
data_out unsafe.Pointer,
bytes_to_read C.int,
bytes_read *C.int,
callback *C.struct__cef_callback_t) int {
if handler, ok := handlerMap[unsafe.Pointer(self)]; ok {
dataOut, bytesRead, result := handler.resourceHandler.ReadResponse(
int(bytes_to_read),
CefCallbackT{callback},
)
if len(dataOut) != bytesRead {
panic(fmt.Sprintf("The response given to ReadResponse is invalid. bytes given %d is does not equal bytesRead %d", len(dataOut), bytesRead))
}
dataOutCString := C.CString(string(dataOut))
defer C.free(unsafe.Pointer(dataOutCString))
C.memcpy(data_out, unsafe.Pointer(dataOutCString), C.size_t(bytesRead))
*bytes_read = C.int(bytesRead)
return result
}
return 0
}
// Receive a message from the socket.
// int zmq_recv (void *s, zmq_msg_t *msg, int flags);
func (s *Socket) Recv(flags SendRecvOption) (data []byte, err error) {
// Allocate and initialise a new zmq_msg_t
var m C.zmq_msg_t
var rc C.int
if rc, err = C.zmq_msg_init(&m); rc != 0 {
err = casterr(err)
return
}
defer C.zmq_msg_close(&m)
// Receive into message
if rc, err = C.zmq_recvmsg(s.s, &m, C.int(flags)); rc == -1 {
err = casterr(err)
return
}
err = nil
// Copy message data into a byte array
// FIXME Ideally this wouldn't require a copy.
size := C.zmq_msg_size(&m)
if size > 0 {
data = make([]byte, int(size))
C.memcpy(unsafe.Pointer(&data[0]), C.zmq_msg_data(&m), size)
} else {
data = nil
}
return
}
func (this *CodecCtx) CopyExtra(ist *Stream) *CodecCtx {
codec := this.avCodecCtx
icodec := ist.CodecCtx().avCodecCtx
codec.bits_per_raw_sample = icodec.bits_per_raw_sample
codec.chroma_sample_location = icodec.chroma_sample_location
codec.codec_id = icodec.codec_id
codec.codec_type = icodec.codec_type
// codec.codec_tag = icodec.codec_tag
codec.rc_max_rate = icodec.rc_max_rate
codec.rc_buffer_size = icodec.rc_buffer_size
codec.field_order = icodec.field_order
codec.extradata = (*_Ctype_uint8_t)(C.av_mallocz((_Ctype_size_t)((C.uint64_t)(icodec.extradata_size) + C.FF_INPUT_BUFFER_PADDING_SIZE)))
C.memcpy(unsafe.Pointer(codec.extradata), unsafe.Pointer(icodec.extradata), (_Ctype_size_t)(icodec.extradata_size))
codec.extradata_size = icodec.extradata_size
codec.bits_per_coded_sample = icodec.bits_per_coded_sample
codec.has_b_frames = icodec.has_b_frames
return this
}
// Return input with pattern replaced by sub.
func reSub(pattern []byte, sub []byte, input []byte) []byte {
var err *C.GError = nil
re := C.g_regex_new(
(*C.gchar)(data(append(pattern, 0))),
C.G_REGEX_CASELESS|
C.G_REGEX_RAW|
C.G_REGEX_NO_AUTO_CAPTURE|
C.G_REGEX_OPTIMIZE,
0,
&err)
if err != nil {
panic("g_regex_new")
}
defer C.g_regex_unref(re)
subd := C.g_regex_replace_literal(re, (*C.gchar)(data(input)),
C.gssize(len(input)), 0, (*C.gchar)(data(sub)), 0, &err)
if err != nil {
panic("g_regex_replace_literal")
}
defer C.g_free(C.gpointer(subd))
l := C.strlen((*C.char)(subd))
rv := make([]byte, l)
C.memcpy(data(rv), unsafe.Pointer(subd), l)
return rv
}
//export doLoad
func doLoad(
self unsafe.Pointer,
offset C.size_t,
source unsafe.Pointer,
length C.size_t) C.int {
model := (*machine.Model)(self)
// Bump up the size to the end of the page.
new_length := platform.Align(uint64(length), platform.PageSize, true)
// Allocate the backing data.
data, err := model.Map(
machine.MemoryTypeUser,
platform.Paddr(offset),
new_length,
true)
if err != nil {
// Things are broken.
log.Print("Error during ElfLoad: ", err)
return -C.int(syscall.EINVAL)
}
// Copy the data in.
C.memcpy(unsafe.Pointer(&data[0]), source, length)
// All good.
return 0
}
func (msg *Msg) onDecode(pbData *C.BYTE, cbData C.DWORD, fFinal bool) error {
if int(cbData) > msg.maxN {
return fmt.Errorf("Buffer overrun on decoding")
}
C.memcpy(msg.data, unsafe.Pointer(pbData), C.size_t(cbData))
msg.n = int(cbData)
return nil
}
//export goKvCursorCallback
func goKvCursorCallback(data unsafe.Pointer, b uint, fn unsafe.Pointer) int {
if b == 0 {
return 0
}
pdata := make([]byte, b)
C.memcpy(unsafe.Pointer(&pdata[0]), data, C.size_t(b))
f := *(*func([]byte) int)(fn)
return f(pdata)
}
// cairo_path_t* cairo_copy_path_flat (cairo_t *cr);
func (self *Surface) CopyPathFlat() (PathData, Status) {
path := C.cairo_copy_path_flat(self.context)
defer C.cairo_path_destroy(path)
raw_data := make(PathData, int(path.num_data*2))
C.memcpy(unsafe.Pointer(&raw_data[0]), unsafe.Pointer(path.data), C.size_t(path.num_data*16))
return raw_data, Status(path.status)
}
func (f *Face) CopyIndices() []uint32 {
indices := make([]uint32, f.mNumIndices)
if unsafe.Sizeof(C.uint(0)) != unsafe.Sizeof(uint32(0)) {
panic("wrong size")
}
size := uint32(unsafe.Sizeof(C.uint(0))) * f.NumIndices()
C.memcpy(unsafe.Pointer(&indices[0]), unsafe.Pointer(f.mIndices), C.size_t(size))
return indices
}
func DBFReadStringAttribute(h DBFHandle, shapeIndex, fieldIndex int) []byte {
cstr := C.DBFReadStringAttribute(h, C.int(shapeIndex), C.int(fieldIndex))
slen := int(C.strlen(cstr))
bytes := make([]byte, slen)
if slen > 0 {
C.memcpy(unsafe.Pointer(&bytes[0]), unsafe.Pointer(cstr), C.size_t(slen))
}
return bytes
}