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extern/stdcxx/4.2.1/examples/manual/istrstream.cpp

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+/***************************************************************************
+ *
+ * istrstream.cpp - istrstream example.
+ *
+ * $Id: istrstream.cpp 550991 2007-06-26 23:58:07Z sebor $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ * Copyright 1994-2006 Rogue Wave Software.
+ * 
+ **************************************************************************/
+
+#include <iostream>    // for cout
+#include <strstream>   // for strstream
+
+#include <examples.h>
+
+
+int main ()
+{
+    // create two constant istrstream objects and initialize their
+    // underlying strstreambufs with string literals; the objects
+    // do not create copies of the literals but use them directly
+    // for efficiency
+    std::istrstream a ("Ce n'est pas l'homme qui prend la mer, ");
+    std::istrstream b ("c'est la mer qui prend l'homme.");
+
+    // create a dynamic strstream object
+    std::strstream out;
+
+    // output the contents of the streams into out
+    out << a.rdbuf () << b.str () << '\n';
+  
+    // output the contents of out to standard output
+    std::cout << out.rdbuf () << '\n';
+  
+    // output the contents of the stream objects to standard output
+    std::cout << a.str () << '\n' << b.rdbuf () << '\n';
+
+    // the dtors of a and b will not release any storage
+    // since the objects did not allocate any
+
+    // the dtor of out will release allocated storage since
+    // neither freeze() nor str() was called on the object
+
+    return 0;
+}