112 lines
2.4 KiB
C++
112 lines
2.4 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2010 Danny Robson <danny@nerdcruft.net>
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*/
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#include "except.hpp"
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#include "debug.hpp"
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#include "platform.hpp"
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#include <cstring>
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#include <cerrno>
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using namespace std;
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using namespace util;
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/// Construct an errno_error from a given error value. The error value MUST signal an error at
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/// construction time.
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errno_error::errno_error (int _errno):
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runtime_error (strerror (_errno)),
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id (_errno)
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{
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CHECK_HARD (_errno != 0);
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}
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/// Construct an errno_error from the current value of errno. errno MUST signal an error at
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/// construction time.
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errno_error::errno_error ():
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runtime_error (strerror (errno)),
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id (errno)
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{
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CHECK_HARD (errno != 0);
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}
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/// Throw an errno_error exception if errno currently signals an error.
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void
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errno_error::try_code (void)
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{ try_code (errno); }
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/// Throw an errno_error exception if 'code' represents an error.
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void
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errno_error::try_code(int code) {
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if (code != 0)
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throw errno_error(code);
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}
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void
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errno_error::throw_code (void)
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{ throw_code (errno); }
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void
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errno_error::throw_code (int code) {
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CHECK_HARD (code != 0);
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throw errno_error (code);
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}
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#if defined(PLATFORM_WIN32)
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win32_error::win32_error (DWORD _id):
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runtime_error ("Win32 error"),
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id (_id)
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{
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CHECK_SOFT (id != ERROR_SUCCESS);
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}
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win32_error::win32_error (void):
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runtime_error ("Win32 error"),
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id (GetLastError ())
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{
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CHECK_SOFT (id != ERROR_SUCCESS);
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}
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void
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win32_error::try_code (void) {
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const auto id = GetLastError ();
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if (id == ERROR_SUCCESS)
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return;
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throw win32_error (id);
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}
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void
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win32_error::throw_code (void) {
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const auto id = GetLastError ();
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CHECK (id != ERROR_SUCCESS);
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throw win32_error (id);
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}
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#endif
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