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 Universit├Ąt 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 
24 #ifndef L4_CXX_STRING_H__
25 #define L4_CXX_STRING_H__
26 
27 #include <l4/cxx/basic_ostream>
28 
29 namespace L4 {
30 
35  class String
36  {
37  public:
38  String(char const *str = "") : _str(str)
39  {}
40 
41  unsigned length() const
42  {
43  unsigned l;
44  for (l = 0; _str[l]; l++)
45  ;
46  return l;
47  }
48 
49  char const *p_str() const { return _str; }
50 
51  private:
52  char const *_str;
53  };
54 
55 };
56 
57 inline
58 L4::BasicOStream &operator << (L4::BasicOStream &o, L4::String const &s)
59 {
60  o << s.p_str();
61  return o;
62 }
63 
64 #endif /* L4_CXX_STRING_H__ */
L4 low-level kernel interface.
Definition: env:38
Basic IO stream.
A null-terminated string container class.
Definition: string.h:35