L4Re - L4 Runtime Environment
string.h
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1 
5 /*
6  * (c) 2004-2009 Alexander Warg <warg@os.inf.tu-dresden.de>,
7  * Torsten Frenzel <frenzel@os.inf.tu-dresden.de>
8  * economic rights: Technische Universität Dresden (Germany)
9  *
10  * This file is part of TUD:OS and distributed under the terms of the
11  * GNU General Public License 2.
12  * Please see the COPYING-GPL-2 file for details.
13  *
14  * As a special exception, you may use this file as part of a free software
15  * library without restriction. Specifically, if other files instantiate
16  * templates or use macros or inline functions from this file, or you compile
17  * this file and link it with other files to produce an executable, this
18  * file does not by itself cause the resulting executable to be covered by
19  * the GNU General Public License. This exception does not however
20  * invalidate any other reasons why the executable file might be covered by
21  * the GNU General Public License.
22  */
23 #pragma once
24 
25 #include <l4/cxx/basic_ostream>
26 
27 namespace L4 {
28 
33  class String
34  {
35  public:
36  String(char const *str = "") : _str(str)
37  {}
38 
39  unsigned length() const
40  {
41  unsigned l;
42  for (l = 0; _str[l]; l++)
43  ;
44  return l;
45  }
46 
47  char const *p_str() const { return _str; }
48 
49  private:
50  char const *_str;
51  };
52 }
53 
54 inline
55 L4::BasicOStream &operator << (L4::BasicOStream &o, L4::String const &s)
56 {
57  o << s.p_str();
58  return o;
59 }
L4 low-level kernel interface.
Basic IO stream.
A null-terminated string container class.
Definition: string.h:33