--- /dev/null
+
+#ifdef WIN32
+#include <windows.h>
+#include <mmsystem.h>
+#include <io.h>
+#include "conio.h"
+#else
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+#endif
+
+#include <signal.h>
+
+#include "quakedef.h"
+
+// =======================================================================
+// General routines
+// =======================================================================
+void Sys_Shutdown (void)
+{
+#ifdef FNDELAY
+ fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
+#endif
+ fflush(stdout);
+}
+
+void Sys_Error (const char *error, ...)
+{
+ va_list argptr;
+ char string[MAX_INPUTLINE];
+
+// change stdin to non blocking
+#ifdef FNDELAY
+ fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
+#endif
+
+ va_start (argptr,error);
+ dpvsnprintf (string, sizeof (string), error, argptr);
+ va_end (argptr);
+
+ Con_Printf ("Quake Error: %s\n", string);
+
+ Host_Shutdown ();
+ exit (1);
+}
+
+static int outfd = 1;
+void Sys_PrintToTerminal(const char *text)
+{
+ if(outfd < 0)
+ return;
+#ifdef FNDELAY
+ // BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0).
+ // this is because both go to /dev/tty by default!
+ {
+ int origflags = fcntl (outfd, F_GETFL, 0);
+ fcntl (outfd, F_SETFL, origflags & ~FNDELAY);
+#endif
+#ifdef WIN32
+#define write _write
+#endif
+ while(*text)
+ {
+ fs_offset_t written = (fs_offset_t)write(outfd, text, strlen(text));
+ if(written <= 0)
+ break; // sorry, I cannot do anything about this error - without an output
+ text += written;
+ }
+#ifdef FNDELAY
+ fcntl (outfd, F_SETFL, origflags);
+ }
+#endif
+ //fprintf(stdout, "%s", text);
+}
+
+char *Sys_ConsoleInput(void)
+{
+ //if (cls.state == ca_dedicated)
+ {
+ static char text[MAX_INPUTLINE];
+ static unsigned int len = 0;
+#ifdef WIN32
+ int c;
+
+ // read a line out
+ while (_kbhit ())
+ {
+ c = _getch ();
+ if (c == '\r')
+ {
+ text[len] = '\0';
+ _putch ('\n');
+ len = 0;
+ return text;
+ }
+ if (c == '\b')
+ {
+ if (len)
+ {
+ _putch (c);
+ _putch (' ');
+ _putch (c);
+ len--;
+ }
+ continue;
+ }
+ if (len < sizeof (text) - 1)
+ {
+ _putch (c);
+ text[len] = c;
+ len++;
+ }
+ }
+#else
+ fd_set fdset;
+ struct timeval timeout;
+ FD_ZERO(&fdset);
+ FD_SET(0, &fdset); // stdin
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 0;
+ if (select (1, &fdset, NULL, NULL, &timeout) != -1 && FD_ISSET(0, &fdset))
+ {
+ len = read (0, text, sizeof(text) - 1);
+ if (len >= 1)
+ {
+ // rip off the \n and terminate
+ // div0: WHY? console code can deal with \n just fine
+ // this caused problems with pasting stuff into a terminal window
+ // so, not ripping off the \n, but STILL keeping a NUL terminator
+ text[len] = 0;
+ return text;
+ }
+ }
+#endif
+ }
+ return NULL;
+}
+
+char *Sys_GetClipboardData (void)
+{
+ return NULL;
+}
+
+void Sys_InitConsole (void)
+{
+}
+
+int main (int argc, char **argv)
+{
+ signal(SIGFPE, SIG_IGN);
+
+ com_argc = argc;
+ com_argv = (const char **)argv;
+ Sys_ProvideSelfFD();
+
+ // COMMANDLINEOPTION: sdl: -noterminal disables console output on stdout
+ if(COM_CheckParm("-noterminal"))
+ outfd = -1;
+ // COMMANDLINEOPTION: sdl: -stderr moves console output to stderr
+ else if(COM_CheckParm("-stderr"))
+ outfd = 2;
+ else
+ outfd = 1;
+
+#ifdef FNDELAY
+ fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
+#endif
+
+ Host_Main();
+
+ return 0;
+}
+
+qboolean sys_supportsdlgetticks = false;
+unsigned int Sys_SDL_GetTicks (void)
+{
+ Sys_Error("Called Sys_SDL_GetTicks on non-SDL target");
+ return 0;
+}
+void Sys_SDL_Delay (unsigned int milliseconds)
+{
+ Sys_Error("Called Sys_SDL_Delay on non-SDL target");
+}