gnuboy-for-dfi/sys/windows/windows.c

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/*
* MinGW32 system file
* based on nix.c and dos.c
* req's SDL
* -Dave Kiddell
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
char *strdup();
#include <SDL/SDL.h>
void *sys_timer()
{
Uint32 *tv;
tv = malloc(sizeof *tv);
*tv = SDL_GetTicks() * 1000;
return tv;
}
int sys_elapsed(Uint32 *cl)
{
Uint32 now;
Uint32 usecs;
now = SDL_GetTicks() * 1000;
usecs = now - *cl;
*cl = now;
return usecs;
}
void sys_sleep(int us)
{
/* dbk: for some reason 2000 works..
maybe its just compensation for the time it takes for SDL_Delay to
execute, or maybe sys_timer is too slow */
SDL_Delay(us/1000);
}
void sys_sanitize(char *s)
{
int i;
for (i = 0; s[i]; i++)
if (s[i] == '\\') s[i] = '/';
}
void sys_initpath(char *exe)
{
char *buf, *home, *p;
home = strdup(exe);
sys_sanitize(home);
p = strrchr(home, '/');
if (p) *p = 0;
else
{
buf = ".";
rc_setvar("rcpath", 1, &buf);
rc_setvar("savedir", 1, &buf);
return;
}
buf = malloc(strlen(home) + 8);
sprintf(buf, ".;%s/", home);
rc_setvar("rcpath", 1, &buf);
sprintf(buf, ".", home);
rc_setvar("savedir", 1, &buf);
free(buf);
}
void sys_checkdir(char *path, int wr)
{
}