Automated update from Qt3

src/tools/qdatastream.cpp

@@ -544,7 +544,10 @@ TQDataStream &TQDataStream::operator>>( TQ_INT8 &i )
 	    i = (buf[2] & 0x07)+((buf[1] & 0x07) << 3)+((buf[0] & 0x07) << 6);
 	}
     } else {					// data or text
-	i = (TQ_INT8)dev->getch();
+	int ret = dev->getch();
+	if (ret >= 0) {
+		i = (TQ_INT8)ret;
+	}
     }
     return *this;
 }
@@ -574,10 +577,11 @@ TQDataStream &TQDataStream::operator>>( TQ_INT16 &i )
     } else {					// swap bytes
 	register uchar *p = (uchar *)(&i);
 	char b[2];
-	dev->readBlock( b, 2 );
+	if (dev->readBlock( b, 2 ) >= 2) {
 		*p++ = b[1];
 		*p   = b[0];
 	}
+    }
     return *this;
 }
 
@@ -606,12 +610,13 @@ TQDataStream &TQDataStream::operator>>( TQ_INT32 &i )
     } else {					// swap bytes
 	uchar *p = (uchar *)(&i);
 	char b[4];
-	dev->readBlock( b, 4 );
+	if (dev->readBlock( b, 4 ) >= 4) {
 		*p++ = b[3];
 		*p++ = b[2];
 		*p++ = b[1];
 		*p   = b[0];
 	}
+    }
     return *this;
 }
 
@@ -643,7 +648,7 @@ TQDataStream &TQDataStream::operator>>( TQ_INT64 &i )
     } else {					// swap bytes
 	uchar *p = (uchar *)(&i);
 	char b[8];
-	dev->readBlock( b, 8 );
+	if (dev->readBlock( b, 8 ) >= 8) {
 		*p++ = b[7];
 		*p++ = b[6];
 		*p++ = b[5];
@@ -653,6 +658,7 @@ TQDataStream &TQDataStream::operator>>( TQ_INT64 &i )
 		*p++ = b[1];
 		*p   = b[0];
 	}
+    }
     return *this;
 }
 
@@ -683,10 +689,12 @@ TQDataStream &TQDataStream::operator>>( TQ_LONG &i )
     } else {					// swap bytes
 	register uchar *p = (uchar *)(&i);
 	char b[sizeof(TQ_LONG)];
-	dev->readBlock( b, sizeof(TQ_LONG) );
-	for ( int j = sizeof(TQ_LONG); j;  )
+	if (dev->readBlock( b, sizeof(TQ_LONG) ) >= (int)sizeof(TQ_LONG)) {
+		for ( int j = sizeof(TQ_LONG); j;  ) {
 			*p++ = b[--j];
 		}
+	}
+    }
     return *this;
 }
 #endif
@@ -724,12 +732,13 @@ TQDataStream &TQDataStream::operator>>( float &f )
     } else {					// swap bytes
 	uchar *p = (uchar *)(&f);
 	char b[4];
-	dev->readBlock( b, 4 );
+	if (dev->readBlock( b, 4 ) >= 4) {
 		*p++ = b[3];
 		*p++ = b[2];
 		*p++ = b[1];
 		*p   = b[0];
 	}
+    }
     return *this;
 }
 
@@ -752,7 +761,7 @@ TQDataStream &TQDataStream::operator>>( double &f )
     } else {					// swap bytes
 	register uchar *p = (uchar *)(&f);
 	char b[8];
-	dev->readBlock( b, 8 );
+	if (dev->readBlock( b, 8 ) >= 8) {
 		*p++ = b[7];
 		*p++ = b[6];
 		*p++ = b[5];
@@ -762,6 +771,7 @@ TQDataStream &TQDataStream::operator>>( double &f )
 		*p++ = b[1];
 		*p   = b[0];
 	}
+    }
     return *this;
 }