diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/src/system_error.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/src/system_error.cc | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/src/system_error.cc b/gcc-4.4.3/libstdc++-v3/src/system_error.cc new file mode 100644 index 000000000..c8c19eddd --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/src/system_error.cc @@ -0,0 +1,95 @@ +// <system_error> implementation file + +// Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// <http://www.gnu.org/licenses/>. + + +#include <cstring> +#include <system_error> +#include <bits/functexcept.h> +#include <limits> + +namespace +{ + using std::string; + + struct generic_error_category : public std::error_category + { + virtual const char* + name() const + { return "generic"; } + + virtual string + message(int i) const + { + // XXX locale issues: how does one get or set loc. + // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) + return string(strerror(i)); + } + }; + + struct system_error_category : public std::error_category + { + virtual const char* + name() const + { return "system"; } + + virtual string + message(int i) const + { + // XXX locale issues: how does one get or set loc. + // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) + return string(strerror(i)); + } + }; + + const generic_error_category generic_category_instance; + const system_error_category system_category_instance; +} + +_GLIBCXX_BEGIN_NAMESPACE(std) + + const error_category& + system_category() { return system_category_instance; } + + const error_category& + generic_category() { return generic_category_instance; } + + system_error::~system_error() throw() { } + + error_condition + error_category::default_error_condition(int __i) const + { return error_condition(__i, *this); } + + bool + error_category::equivalent(int __i, const error_condition& __cond) const + { return default_error_condition(__i) == __cond; } + + bool + error_category::equivalent(const error_code& __code, int __i) const + { return *this == __code.category() && __code.value() == __i; } + + error_condition + error_code::default_error_condition() const + { return category().default_error_condition(value()); } + +_GLIBCXX_END_NAMESPACE |