mirror of
https://github.com/ZDoom/Raze.git
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199 lines
5.4 KiB
C++
199 lines
5.4 KiB
C++
/*
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** i_main.cpp
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** System-specific startup code. Eventually calls D_DoomMain.
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2007 Randy Heit
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** All rights reserved.
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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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** 1. 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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** 2. 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 distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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// HEADER FILES ------------------------------------------------------------
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#include <SDL.h>
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#include <unistd.h>
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#include <signal.h>
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#include <new>
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#include <sys/param.h>
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#include <locale.h>
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#include <sys/stat.h>
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#include <sys/utsname.h>
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#include "engineerrors.h"
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#include "m_argv.h"
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#include "c_console.h"
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#include "version.h"
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#include "cmdlib.h"
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#include "engineerrors.h"
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#include "i_system.h"
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#include "i_interface.h"
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#include "printf.h"
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// MACROS ------------------------------------------------------------------
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// TYPES -------------------------------------------------------------------
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// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
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extern "C" int cc_install_handlers(int, char**, int, int*, const char*, int(*)(char*, char*));
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#ifdef __APPLE__
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void Mac_I_FatalError(const char* errortext);
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#endif
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#ifdef __linux__
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void Linux_I_FatalError(const char* errortext);
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#endif
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// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
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int GameMain();
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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// EXTERNAL DATA DECLARATIONS ----------------------------------------------
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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// The command line arguments.
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FArgs *Args;
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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// CODE --------------------------------------------------------------------
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static int GetCrashInfo (char *buffer, char *end)
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{
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if (sysCallbacks.CrashInfo) sysCallbacks.CrashInfo(buffer, end - buffer, "\n");
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return strlen(buffer);
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}
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void I_DetectOS()
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{
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FString operatingSystem;
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const char *paths[] = {"/etc/os-release", "/usr/lib/os-release"};
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for (const char *path : paths)
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{
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struct stat dummy;
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if (stat(path, &dummy) != 0)
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continue;
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char cmdline[256];
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snprintf(cmdline, sizeof cmdline, ". %s && echo ${PRETTY_NAME}", path);
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FILE *proc = popen(cmdline, "r");
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if (proc == nullptr)
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continue;
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char distribution[256] = {};
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fread(distribution, sizeof distribution - 1, 1, proc);
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const size_t length = strlen(distribution);
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if (length > 1)
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{
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distribution[length - 1] = '\0';
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operatingSystem = distribution;
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}
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pclose(proc);
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break;
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}
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utsname unameInfo;
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if (uname(&unameInfo) == 0)
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{
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const char* const separator = operatingSystem.Len() > 0 ? ", " : "";
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operatingSystem.AppendFormat("%s%s %s on %s", separator, unameInfo.sysname, unameInfo.release, unameInfo.machine);
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}
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if (operatingSystem.Len() > 0)
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Printf("OS: %s\n", operatingSystem.GetChars());
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}
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void I_StartupJoysticks();
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int main (int argc, char **argv)
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{
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#if !defined (__APPLE__)
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{
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int s[4] = { SIGSEGV, SIGILL, SIGFPE, SIGBUS };
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cc_install_handlers(argc, argv, 4, s, GAMENAMELOWERCASE "-crash.log", GetCrashInfo);
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}
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#endif // !__APPLE__
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printf(GAMENAME" %s - %s - SDL version\nCompiled on %s\n",
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GetVersionString(), GetGitTime(), __DATE__);
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seteuid (getuid ());
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// Set LC_NUMERIC environment variable in case some library decides to
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// clear the setlocale call at least this will be correct.
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// Note that the LANG environment variable is overridden by LC_*
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setenv ("LC_NUMERIC", "C", 1);
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setlocale (LC_ALL, "C");
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if (SDL_Init (0) < 0)
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{
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fprintf (stderr, "Could not initialize SDL:\n%s\n", SDL_GetError());
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return -1;
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}
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printf("\n");
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Args = new FArgs(argc, argv);
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// Should we even be doing anything with progdir on Unix systems?
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char program[PATH_MAX];
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if (realpath (argv[0], program) == NULL)
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strcpy (program, argv[0]);
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char *slash = strrchr (program, '/');
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if (slash != NULL)
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{
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*(slash + 1) = '\0';
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progdir = program;
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}
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else
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{
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progdir = "./";
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}
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I_StartupJoysticks();
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const int result = GameMain();
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SDL_Quit();
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return result;
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}
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