void SmushChannel::processBuffer() {
assert(_tbuffer != 0);
assert(_tbufferSize != 0);
assert(_sbuffer == 0);
assert(_sbufferSize == 0);
if (_inData) {
if (_dataSize < _tbufferSize) {
int32 offset = _dataSize;
while (handleSubTags(offset))
;
_sbufferSize = _dataSize;
_sbuffer = _tbuffer;
if (offset < _tbufferSize) {
int new_size = _tbufferSize - offset;
_tbuffer = (byte *)malloc(new_size);
// FIXME: _tbuffer might be 0 if new_size is 0.
// NB: Also check other "if (_tbuffer)" locations in smush
if (!_tbuffer)
error("smush channel failed to allocate memory");
memcpy(_tbuffer, _sbuffer + offset, new_size);
_tbufferSize = new_size;
} else {
_tbuffer = 0;
_tbufferSize = 0;
}
if (_sbufferSize == 0) {
free(_sbuffer);
_sbuffer = 0;
}
} else {
_sbufferSize = _tbufferSize;
_sbuffer = _tbuffer;
_tbufferSize = 0;
_tbuffer = 0;
}
} else {
int32 offset = 0;
while (handleSubTags(offset))
;
if (_inData) {
_sbufferSize = _tbufferSize - offset;
assert(_sbufferSize);
_sbuffer = (byte *)malloc(_sbufferSize);
if (!_sbuffer)
error("smush channel failed to allocate memory");
memcpy(_sbuffer, _tbuffer + offset, _sbufferSize);
free(_tbuffer);
_tbuffer = 0;
_tbufferSize = 0;
} else {
if (offset) {
byte *old = _tbuffer;
int32 new_size = _tbufferSize - offset;
_tbuffer = (byte *)malloc(new_size);
// FIXME: _tbuffer might be 0 if new_size is 0.
// NB: Also check other "if (_tbuffer)" locations in smush
if (!_tbuffer)
error("smush channel failed to allocate memory");
memcpy(_tbuffer, old + offset, new_size);
_tbufferSize = new_size;
free(old);
}
}
}
}
void SmushChannel::processBuffer() {
assert(_tbuffer != 0);
assert(_tbufferSize != 0);
assert(_sbuffer == 0);
assert(_sbufferSize == 0);
if (_inData) {
if (_dataSize < _tbufferSize) {
int32 offset = _dataSize;
while (handleSubTags(offset))
;
_sbufferSize = _dataSize;
_sbuffer = _tbuffer;
if (offset < _tbufferSize) {
int new_size = _tbufferSize - offset;
_tbuffer = new byte[new_size];
if (!_tbuffer)
error("smush channel failed to allocate memory");
memcpy(_tbuffer, _sbuffer + offset, new_size);
_tbufferSize = new_size;
} else {
_tbuffer = 0;
_tbufferSize = 0;
}
if (_sbufferSize == 0) {
delete[] _sbuffer;
_sbuffer = 0;
}
} else {
_sbufferSize = _tbufferSize;
_sbuffer = _tbuffer;
_tbufferSize = 0;
_tbuffer = 0;
}
} else {
int32 offset = 0;
while (handleSubTags(offset))
;
if (_inData) {
_sbufferSize = _tbufferSize - offset;
assert(_sbufferSize);
_sbuffer = new byte[_sbufferSize];
if (!_sbuffer)
error("smush channel failed to allocate memory");
memcpy(_sbuffer, _tbuffer + offset, _sbufferSize);
delete[] _tbuffer;
_tbuffer = 0;
_tbufferSize = 0;
} else {
if (offset) {
byte *old = _tbuffer;
int32 new_size = _tbufferSize - offset;
_tbuffer = new byte[new_size];
if (!_tbuffer)
error("smush channel failed to allocate memory");
memcpy(_tbuffer, old + offset, new_size);
_tbufferSize = new_size;
delete[] old;
}
}
}
}
