fix for double to float warning in MSVC

[xonotic/darkplaces.git] / sys_linux.c

diff --git a/sys_linux.c b/sys_linux.c
index d98da25ecd655069f1dd0489a08f2d11afe7c238..f006b276cd01a383f932d4686ad6202282e061f2 100644 (file)
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -37,39 +37,39 @@ void Sys_DebugNumber(int y, int val)
 void Sys_Quit (void)
 {
        Host_Shutdown();
-    fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
+       fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
        fflush(stdout);
        exit(0);
 }
 
 void Sys_Error (char *error, ...)
 {
-    va_list     argptr;
-    char        string[1024];
+       va_list argptr;
+       char string[1024];
 
 // change stdin to non blocking
-    fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
-    
-    va_start (argptr,error);
-    vsprintf (string,error,argptr);
-    va_end (argptr);
+       fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
+
+       va_start (argptr,error);
+       vsprintf (string,error,argptr);
+       va_end (argptr);
        fprintf(stderr, "Error: %s\n", string);
 
        Host_Shutdown ();
        exit (1);
 
-} 
+}
 
 void Sys_Warn (char *warning, ...)
-{ 
-    va_list     argptr;
-    char        string[1024];
-    
-    va_start (argptr,warning);
-    vsprintf (string,warning,argptr);
-    va_end (argptr);
+{
+       va_list argptr;
+       char string[1024];
+
+       va_start (argptr,warning);
+       vsprintf (string,warning,argptr);
+       va_end (argptr);
        fprintf(stderr, "Warning: %s", string);
-} 
+}
 
 /*
 ============
@@ -78,33 +78,32 @@ Sys_FileTime
 returns -1 if not present
 ============
 */
-int    Sys_FileTime (char *path)
+int Sys_FileTime (char *path)
 {
-       struct  stat    buf;
-       
+       struct stat buf;
+
        if (stat (path,&buf) == -1)
                return -1;
-       
+
        return buf.st_mtime;
 }
 
 
 void Sys_mkdir (char *path)
 {
-    mkdir (path, 0777);
+       mkdir (path, 0777);
 }
 
 int Sys_FileOpenRead (char *path, int *handle)
 {
-       int     h;
-       struct stat     fileinfo;
-    
-       
+       int h;
+       struct stat fileinfo;
+
        h = open (path, O_RDONLY, 0666);
        *handle = h;
        if (h == -1)
                return -1;
-       
+
        if (fstat (h,&fileinfo) == -1)
                Sys_Error ("Error fstating %s", path);
 
@@ -113,7 +112,7 @@ int Sys_FileOpenRead (char *path, int *handle)
 
 int Sys_FileOpenWrite (char *path)
 {
-       int     handle;
+       int handle;
 
        umask (0);
 
@@ -145,48 +144,50 @@ void Sys_FileSeek (int handle, int position)
 
 int Sys_FileRead (int handle, void *dest, int count)
 {
-    return read (handle, dest, count);
+       return read (handle, dest, count);
 }
 
 void Sys_DebugLog(char *file, char *fmt, ...)
 {
-    va_list argptr; 
-    static char data[1024];
-    int fd;
-    
-    va_start(argptr, fmt);
-    vsprintf(data, fmt, argptr);
-    va_end(argptr);
-    fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
-    write(fd, data, strlen(data));
-    close(fd);
+       va_list argptr;
+       static char data[1024];
+       int fd;
+
+       va_start(argptr, fmt);
+       vsprintf(data, fmt, argptr);
+       va_end(argptr);
+       fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
+       write(fd, data, strlen(data));
+       close(fd);
 }
 
 double Sys_DoubleTime (void)
 {
        static int first = true;
-       static double oldtime = 0.0, basetime = 0.0;
+       static double oldtime = 0.0, curtime = 0.0;
        double newtime;
        struct timeval tp;
-       struct timezone tzp; 
 
-       gettimeofday(&tp, &tzp);
+       gettimeofday(&tp, NULL);
 
-       newtime = (double) ((unsigned long) tp.tv_sec) + tp.tv_usec/1000000.0 - basetime;
+       newtime = (double) tp.tv_sec + tp.tv_usec / 1000000.0;
 
        if (first)
        {
                first = false;
-               basetime = newtime;
-               newtime = 0.0;
+               oldtime = newtime;
        }
 
        if (newtime < oldtime)
-               Sys_Error("Sys_DoubleTime: time running backwards??\n");
-
+       {
+               if (newtime < oldtime - 0.001)
+                       Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
+       }
+       else
+               curtime += newtime - oldtime;
        oldtime = newtime;
 
-       return newtime;
+       return curtime;
 }
 
 // =======================================================================
@@ -207,12 +208,13 @@ void floating_point_exception_handler(int whatever)
 
 char *Sys_ConsoleInput(void)
 {
-    static char text[256];
-    int     len;
-       fd_set  fdset;
-    struct timeval timeout;
+       static char text[256];
+       int len;
+       fd_set fdset;
+       struct timeval timeout;
 
-       if (cls.state == ca_dedicated) {
+       if (cls.state == ca_dedicated)
+       {
                FD_ZERO(&fdset);
                FD_SET(0, &fdset); // stdin
                timeout.tv_sec = 0;
@@ -237,8 +239,7 @@ void Sys_Sleep(void)
 
 int main (int c, char **v)
 {
-
-       double oldtime, newtime;
+       double frameoldtime, framenewtime;
 
        signal(SIGFPE, SIG_IGN);
 
@@ -258,16 +259,15 @@ int main (int c, char **v)
 
        Sys_Shared_LateInit();
 
-       oldtime = Sys_DoubleTime () - 0.1;
+       frameoldtime = Sys_DoubleTime () - 0.1;
        while (1)
        {
                // find time spent rendering last frame
-               newtime = Sys_DoubleTime ();
+               framenewtime = Sys_DoubleTime ();
 
-               Host_Frame (newtime - oldtime);
+               Host_Frame (framenewtime - frameoldtime);
 
-               oldtime = newtime;
+               frameoldtime = framenewtime;
        }
        return 0;
 }
-