png++  0.2.7
error.hpp
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2007,2008 Alex Shulgin
3  *
4  * This file is part of png++ the C++ wrapper for libpng. PNG++ is free
5  * software; the exact copying conditions are as follows:
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  * this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  *
17  * 3. The name of the author may not be used to endorse or promote products
18  * derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
23  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
25  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 #ifndef PNGPP_ERROR_HPP_INCLUDED
32 #define PNGPP_ERROR_HPP_INCLUDED
33 
34 #include <string>
35 #include <stdexcept>
36 #include <cerrno>
37 #include <cstdlib>
38 #include <cstring>
39 
40 namespace png
41 {
42 
47  class error
48  : public std::runtime_error
49  {
50  public:
54  explicit error(std::string const& message)
55  : std::runtime_error(message)
56  {
57  }
58  };
59 
66  class std_error
67  : public std::runtime_error
68  {
69  public:
78  explicit std_error(std::string const& message, int error = errno)
79  : std::runtime_error((message + ": ") + strerror(error))
80  {
81  }
82  };
83 
84 } // namespace png
85 
86 #endif // PNGPP_ERROR_HPP_INCLUDED
Exception class to represent standard library errors (generally IO).
Definition: error.hpp:66
std_error(std::string const &message, int error=errno)
Definition: error.hpp:78
Definition: color.hpp:36
error(std::string const &message)
Definition: error.hpp:54
Exception class to represent runtime errors related to png++ operation.
Definition: error.hpp:47