mpd/src/system/FatalError.cxx
Max Kellermann dfaf08743c *: check defined(_WIN32) instead of defined(WIN32)
Only _WIN32 is defined by the compiler, and WIN32 is not standardized
and may be missing.

Closes #169
2017-12-12 10:22:20 +01:00

102 lines
2.1 KiB
C++

/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "FatalError.hxx"
#include "util/Domain.hxx"
#include "LogV.hxx"
#include <unistd.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#include <windows.h>
#else
#include <errno.h>
#endif
static constexpr Domain fatal_error_domain("fatal_error");
gcc_noreturn
static void
Abort()
{
_exit(EXIT_FAILURE);
}
void
FatalError(const char *msg)
{
LogError(fatal_error_domain, msg);
Abort();
}
void
FormatFatalError(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
LogFormatV(fatal_error_domain, LogLevel::ERROR, fmt, ap);
va_end(ap);
Abort();
}
#ifdef _WIN32
void
FatalSystemError(const char *msg, DWORD code)
{
char buffer[256];
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, code, 0,
buffer, sizeof(buffer), nullptr);
FormatFatalError("%s: %s", msg, buffer);
}
#endif
void
FatalSystemError(const char *msg)
{
#ifdef _WIN32
FatalSystemError(msg, GetLastError());
#else
const char *system_error = strerror(errno);
FormatError(fatal_error_domain, "%s: %s", msg, system_error);
Abort();
#endif
}
void
FormatFatalSystemError(const char *fmt, ...)
{
char buffer[1024];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
FatalSystemError(buffer);
}