png++  0.2.1
error.hpp
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1 /*
2  * Copyright (C) 2007,2008 Alex Shulgin
3  *
4  * This file is part of png++ the C++ wrapper for libpng. PNG++ is free
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31 #ifndef PNGPP_ERROR_HPP_INCLUDED
32 #define PNGPP_ERROR_HPP_INCLUDED
33 
34 #include <stdexcept>
35 #include <cerrno>
36 #include <cstdlib>
37 #include <string.h>
38 
39 namespace png
40 {
41 
46  class error
47  : public std::runtime_error
48  {
49  public:
53  explicit error(std::string const& message)
54  : std::runtime_error(message)
55  {
56  }
57  };
58 
65  class std_error
66  : public std::runtime_error
67  {
68  public:
77  explicit std_error(std::string const& message, int error = errno)
78  : std::runtime_error((message + ": ") + strerror(error))
79  {
80  }
81  };
82 
83 } // namespace png
84 
85 #endif // PNGPP_ERROR_HPP_INCLUDED
Exception class to represent standard library errors (generally IO).
Definition: error.hpp:65
std_error(std::string const &message, int error=errno)
Definition: error.hpp:77
Definition: color.hpp:36
error(std::string const &message)
Definition: error.hpp:53
Exception class to represent runtime errors related to png++ operation.
Definition: error.hpp:46