PIIODevice::bytesAvailible()

fix pistringlist pibinarystream write
pibinarystream::binaryStreamSize()
PIByteArray pibinarystream read with more size fix
pistring pibinarystream read optimization
fix bug in PIIOBinaryStream read and write if failed
workaround in PIIOString::readDevice
PISPI readDevice bug Fixed

libs/main/io_devices/pispi.cpp

@@ -88,6 +88,11 @@ bool PISPI::isParameterSet(PISPI::Parameters parameter) const {
 }
 
 
+ssize_t PISPI::bytesAvailible() const {
+	return recv_buf.size();
+}
+
+
 bool PISPI::openDevice() {
 #ifdef PIP_SPI
 	int ret = 0;
@@ -126,7 +131,7 @@ bool PISPI::closeDevice() {
 int PISPI::readDevice(void * read_to, int max_size) {
 	int sz = piMini(recv_buf.size_s(), max_size);
 	memcpy(read_to, recv_buf.data(), sz);
-	recv_buf.resize(recv_buf.size_s() - sz);
+	recv_buf.remove(0, sz);
 	return sz;
 }