/* | |
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); | |
} | |
} | |