179 lines
3.6 KiB
C++
179 lines
3.6 KiB
C++
/*
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* Copyright (C) 2013 Max Kellermann <max@duempel.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "Error.hxx"
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#include "Domain.hxx"
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#ifdef WIN32
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#include <windows.h>
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#endif
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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const Domain errno_domain("errno");
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#ifdef WIN32
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const Domain win32_domain("win32");
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#endif
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Error::~Error() {}
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void
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Error::Set(const Domain &_domain, int _code, const char *_message)
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{
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domain = &_domain;
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code = _code;
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message.assign(_message);
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}
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void
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Error::Format2(const Domain &_domain, int _code, const char *fmt, ...)
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{
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char buffer[1024];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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Set(_domain, _code, buffer);
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}
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void
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Error::FormatPrefix(const char *fmt, ...)
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{
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char buffer[1024];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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AddPrefix(buffer);
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}
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void
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Error::SetErrno(int e)
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{
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Set(errno_domain, e, strerror(e));
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}
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void
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Error::SetErrno()
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{
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SetErrno(errno);
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}
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void
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Error::SetErrno(int e, const char *prefix)
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{
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Format(errno_domain, e, "%s: %s", prefix, strerror(e));
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}
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void
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Error::SetErrno(const char *prefix)
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{
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SetErrno(errno, prefix);
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}
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void
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Error::FormatErrno(int e, const char *fmt, ...)
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{
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char buffer[1024];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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SetErrno(e, buffer);
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}
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void
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Error::FormatErrno(const char *fmt, ...)
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{
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const int e = errno;
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char buffer[1024];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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SetErrno(e, buffer);
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}
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#ifdef WIN32
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void
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Error::SetLastError(DWORD _code, const char *prefix)
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{
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char msg[256];
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FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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nullptr, _code, 0, msg, sizeof(msg), nullptr);
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Format(win32_domain, int(_code), "%s: %s", prefix, msg);
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}
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void
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Error::SetLastError(const char *prefix)
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{
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SetLastError(GetLastError(), prefix);
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}
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void
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Error::FormatLastError(DWORD _code, const char *fmt, ...)
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{
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char buffer[1024];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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SetLastError(_code, buffer);
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}
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void
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Error::FormatLastError(const char *fmt, ...)
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{
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DWORD _code = GetLastError();
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char buffer[1024];
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va_list ap;
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va_start(ap, fmt);
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vsnprintf(buffer, sizeof(buffer), fmt, ap);
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va_end(ap);
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SetLastError(_code, buffer);
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}
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#endif
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