void BStream_writeTaggedData_length_(BStream *self, const unsigned char *data, size_t length)
{
BStream_writeTag(self, BSTREAM_UNSIGNED_INT, 1, 1);
BStream_writeTaggedInt32_(self, length);
UArray_appendBytes_size_(self->ba, (unsigned char *)data, length);
self->index += length;
}
void AudioDevice_writeData_length_(AudioDevice *self, uint8_t *data, size_t numBytes)
{
self->writeBufferIsEmpty = 0;
AudioDevice_lock(self);
UArray_appendBytes_size_(self->nextWriteBuffer, data, numBytes);
self->needsData = 0;
//printf("writting self->needsData = 0\n");
AudioDevice_unlock(self);
AudioDevice_start(self);
}
void BStream_writeNumber_size_(BStream *self, unsigned char *v, size_t length)
{
memcpy(self->typeBuf, v, length);
if (self->flipEndian)
{
reverseBytes(self->typeBuf, length);
}
UArray_appendBytes_size_(self->ba, (unsigned char *)self->typeBuf, length);
self->index += length;
}
UArray *UArray_asNumberArrayString(const UArray *self)
{
UArray *out = UArray_new();
UArray_setEncoding_(out, CENCODING_ASCII);
UARRAY_INTFOREACH(self, i, v,
char s[128];
if(UArray_isFloatType(self))
{
sprintf(s, "%f", (double)v);
}
else
{
sprintf(s, "%i", (int)v);
}
if(i != UArray_size(self) -1 ) strcat(s, ", ");
UArray_appendBytes_size_(out, (unsigned char *)s, strlen(s));
);
IoObject *IoBlowfish_process(IoBlowfish *self, IoObject *locals, IoMessage *m)
{
/*doc Blowfish process
Process the inputBuffer and appends the result to the outputBuffer.
The processed inputBuffer is empties except for the spare
bytes at the end which don't fit into a cipher block.
*/
blowfish_ctx *context = &(DATA(self)->context);
int isEncrypting = DATA(self)->isEncrypting;
UArray *input = IoObject_rawGetMutableUArraySlot(self, locals, m, IOSYMBOL("inputBuffer"));
UArray *output = IoObject_rawGetMutableUArraySlot(self, locals, m, IOSYMBOL("outputBuffer"));
const unsigned char *inputBytes = (uint8_t *)UArray_bytes(input);
size_t inputSize = UArray_sizeInBytes(input);
unsigned long lr[2];
size_t i, runs = inputSize / sizeof(lr);
for (i = 0; i < runs; i ++)
{
memcpy(lr, inputBytes, sizeof(lr));
inputBytes += sizeof(lr);
if (isEncrypting)
{
blowfish_encrypt(context, &lr[0], &lr[1]);
}
else
{
blowfish_decrypt(context, &lr[0], &lr[1]);
}
UArray_appendBytes_size_(output, (unsigned char *)&lr, sizeof(lr));
}
UArray_removeRange(input, 0, runs * sizeof(lr));
return self;
}
IoObject *IoBlowfish_endProcessing(IoBlowfish *self, IoObject *locals, IoMessage *m)
{
/*doc Blowfish endProcessing
Finish processing remaining bytes of inputBuffer.
*/
blowfish_ctx *context = &(DATA(self)->context);
unsigned long lr[2];
IoBlowfish_process(self, locals, m); // process the full blocks first
{
int isEncrypting = DATA(self)->isEncrypting;
UArray *input = IoObject_rawGetMutableUArraySlot(self, locals, m, IOSYMBOL("inputBuffer"));
UArray *output = IoObject_rawGetMutableUArraySlot(self, locals, m, IOSYMBOL("outputBuffer"));
IOASSERT(UArray_sizeInBytes(input) < sizeof(lr), "internal error - too many bytes left in inputBuffer");
memset(lr, 0, sizeof(lr));
memcpy(lr, (uint8_t *)UArray_bytes(input), UArray_sizeInBytes(input));
if (isEncrypting)
{
blowfish_encrypt(context, &lr[0], &lr[1]);
}
else
{
blowfish_decrypt(context, &lr[0], &lr[1]);
}
UArray_appendBytes_size_(output, (unsigned char *)&lr, sizeof(lr));
UArray_setSize_(input, 0);
}
return self;
}
void BStream_writeData_length_(BStream *self, const unsigned char *data, size_t length)
{
UArray_appendBytes_size_(self->ba, (unsigned char *)data, length);
self->index += length;
}
