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- /*
- Copyright (C) 1996-1997 Id Software, Inc.
-
- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- */
- // sys_null.h -- null system driver to aid porting efforts
-
- #include "quakedef.h"
- #include "errno.h"
-
- /*
- ===============================================================================
-
- FILE IO
-
- ===============================================================================
- */
-
- #define MAX_HANDLES 10
- FILE *sys_handles[MAX_HANDLES];
-
- int findhandle (void)
- {
- int i;
-
- for (i=1 ; i<MAX_HANDLES ; i++)
- if (!sys_handles[i])
- return i;
- Sys_Error ("out of handles");
- return -1;
- }
-
- /*
- ================
- filelength
- ================
- */
- int filelength (FILE *f)
- {
- int pos;
- int end;
-
- pos = ftell (f);
- fseek (f, 0, SEEK_END);
- end = ftell (f);
- fseek (f, pos, SEEK_SET);
-
- return end;
- }
-
- int Sys_FileOpenRead (char *path, int *hndl)
- {
- FILE *f;
- int i;
-
- i = findhandle ();
-
- f = fopen(path, "rb");
- if (!f)
- {
- *hndl = -1;
- return -1;
- }
- sys_handles[i] = f;
- *hndl = i;
-
- return filelength(f);
- }
-
- int Sys_FileOpenWrite (char *path)
- {
- FILE *f;
- int i;
-
- i = findhandle ();
-
- f = fopen(path, "wb");
- if (!f)
- Sys_Error ("Error opening %s: %s", path,strerror(errno));
- sys_handles[i] = f;
-
- return i;
- }
-
- void Sys_FileClose (int handle)
- {
- fclose (sys_handles[handle]);
- sys_handles[handle] = NULL;
- }
-
- void Sys_FileSeek (int handle, int position)
- {
- fseek (sys_handles[handle], position, SEEK_SET);
- }
-
- int Sys_FileRead (int handle, void *dest, int count)
- {
- return fread (dest, 1, count, sys_handles[handle]);
- }
-
- int Sys_FileWrite (int handle, void *data, int count)
- {
- return fwrite (data, 1, count, sys_handles[handle]);
- }
-
- int Sys_FileTime (char *path)
- {
- FILE *f;
-
- f = fopen(path, "rb");
- if (f)
- {
- fclose(f);
- return 1;
- }
-
- return -1;
- }
-
- void Sys_mkdir (char *path)
- {
- }
-
-
- /*
- ===============================================================================
-
- SYSTEM IO
-
- ===============================================================================
- */
-
- void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
- {
- }
-
-
- void Sys_Error (char *error, ...)
- {
- va_list argptr;
-
- printf ("Sys_Error: ");
- va_start (argptr,error);
- vprintf (error,argptr);
- va_end (argptr);
- printf ("\n");
-
- exit (1);
- }
-
- void Sys_Printf (char *fmt, ...)
- {
- va_list argptr;
-
- va_start (argptr,fmt);
- vprintf (fmt,argptr);
- va_end (argptr);
- }
-
- void Sys_Quit (void)
- {
- exit (0);
- }
-
- double Sys_FloatTime (void)
- {
- static double t;
-
- t += 0.1;
-
- return t;
- }
-
- char *Sys_ConsoleInput (void)
- {
- return NULL;
- }
-
- void Sys_Sleep (void)
- {
- }
-
- void Sys_SendKeyEvents (void)
- {
- }
-
- void Sys_HighFPPrecision (void)
- {
- }
-
- void Sys_LowFPPrecision (void)
- {
- }
-
- //=============================================================================
-
- void main (int argc, char **argv)
- {
- static quakeparms_t parms;
-
- parms.memsize = 8*1024*1024;
- parms.membase = malloc (parms.memsize);
- parms.basedir = ".";
-
- COM_InitArgv (argc, argv);
-
- parms.argc = com_argc;
- parms.argv = com_argv;
-
- printf ("Host_Init\n");
- Host_Init (&parms);
- while (1)
- {
- Host_Frame (0.1);
- }
- }
-
-
-