raze/source/common/platform/posix/sdl/i_main.cpp
Christoph Oelckers f8caf88089 - backend update.
2020-10-03 17:04:45 +02:00

153 lines
4.4 KiB
C++

/*
** i_main.cpp
** System-specific startup code. Eventually calls D_DoomMain.
**
**---------------------------------------------------------------------------
** Copyright 1998-2007 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
// HEADER FILES ------------------------------------------------------------
#include <SDL.h>
#include <unistd.h>
#include <signal.h>
#include <new>
#include <sys/param.h>
#include <locale.h>
#include "engineerrors.h"
#include "m_argv.h"
#include "c_console.h"
#include "version.h"
#include "cmdlib.h"
#include "engineerrors.h"
#include "i_system.h"
#include "i_interface.h"
// MACROS ------------------------------------------------------------------
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
extern "C" int cc_install_handlers(int, char**, int, int*, const char*, int(*)(char*, char*));
#ifdef __APPLE__
void Mac_I_FatalError(const char* errortext);
#endif
#ifdef __linux__
void Linux_I_FatalError(const char* errortext);
#endif
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
int GameMain();
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
// The command line arguments.
FArgs *Args;
// PRIVATE DATA DEFINITIONS ------------------------------------------------
// CODE --------------------------------------------------------------------
static int GetCrashInfo (char *buffer, char *end)
{
if (sysCallbacks.CrashInfo) sysCallbacks.CrashInfo(buffer, end - buffer, "\n");
return strlen(buffer);
}
void I_DetectOS()
{
// The POSIX version never implemented this.
}
void I_StartupJoysticks();
int main (int argc, char **argv)
{
#if !defined (__APPLE__)
{
int s[4] = { SIGSEGV, SIGILL, SIGFPE, SIGBUS };
cc_install_handlers(argc, argv, 4, s, GAMENAMELOWERCASE "-crash.log", GetCrashInfo);
}
#endif // !__APPLE__
printf(GAMENAME" %s - %s - SDL version\nCompiled on %s\n",
GetVersionString(), GetGitTime(), __DATE__);
seteuid (getuid ());
// Set LC_NUMERIC environment variable in case some library decides to
// clear the setlocale call at least this will be correct.
// Note that the LANG environment variable is overridden by LC_*
setenv ("LC_NUMERIC", "C", 1);
setlocale (LC_ALL, "C");
if (SDL_Init (0) < 0)
{
fprintf (stderr, "Could not initialize SDL:\n%s\n", SDL_GetError());
return -1;
}
printf("\n");
Args = new FArgs(argc, argv);
// Should we even be doing anything with progdir on Unix systems?
char program[PATH_MAX];
if (realpath (argv[0], program) == NULL)
strcpy (program, argv[0]);
char *slash = strrchr (program, '/');
if (slash != NULL)
{
*(slash + 1) = '\0';
progdir = program;
}
else
{
progdir = "./";
}
I_StartupJoysticks();
const int result = GameMain();
SDL_Quit();
return result;
}