109 lines
2.3 KiB
C++
109 lines
2.3 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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_NEQ (_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_NEQ (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_NEQ (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_NEQ (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_NEQ (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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