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/core/pibytearray.h

@@ -1136,13 +1136,15 @@ public:
 		return true;
 	}
 	bool binaryStreamTakeImp(void * d_, size_t s) {
-		if (size() < s)
-			return false;
-		memcpy(d_, data(), s);
-		remove(0, s);
-		return true;
+		size_t rs = size();
+		if (rs > s) rs = s;
+		memcpy(d_, data(), rs);
+		remove(0, rs);
+		return rs == s;
 	}
 
+	ssize_t binaryStreamSizeImp() const {return size();}
+
 private:
 	PIDeque<uchar> d;