another WIN32_LEAN_AND_MEAN patch from Willis, this one for non-SDL client and dedica...

[xonotic/darkplaces.git] / sys_linux.c

diff --git a/sys_linux.c b/sys_linux.c
index 2cda90728f61eadae4da357b02def3587523f343..6264af67cdf3130feef0c559d2d62ea33700c5d6 100644 (file)
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -1,5 +1,6 @@
 
 #ifdef WIN32
+#include <io.h>
 #include "conio.h"
 #else
 #include <unistd.h>
@@ -13,7 +14,7 @@
 
 
 #ifdef WIN32
-cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1"};
+cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1", "use windows timeGetTime function (which has issues on some motherboards) for timing rather than QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power)"};
 #endif
 
 
@@ -21,21 +22,18 @@ cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1"};
 // =======================================================================
 // General routines
 // =======================================================================
-
-void Sys_Quit (void)
+void Sys_Shutdown (void)
 {
-       Host_Shutdown();
 #ifndef WIN32
        fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);
 #endif
        fflush(stdout);
-       exit(0);
 }
 
 void Sys_Error (const char *error, ...)
 {
        va_list argptr;
-       char string[1024];
+       char string[MAX_INPUTLINE];
 
 // change stdin to non blocking
 #ifndef WIN32
@@ -43,17 +41,33 @@ void Sys_Error (const char *error, ...)
 #endif
 
        va_start (argptr,error);
-       vsprintf (string,error,argptr);
+       dpvsnprintf (string, sizeof (string), error, argptr);
        va_end (argptr);
-       fprintf(stderr, "Error: %s\n", string);
+
+       Con_Printf ("Quake Error: %s\n", string);
 
        Host_Shutdown ();
        exit (1);
 }
 
-void Sys_Print(const char *text)
+void Sys_PrintToTerminal(const char *text)
 {
-       printf("%s", text);
+#ifndef WIN32
+       // BUG: for some reason, NDELAY also affects stdout (1) when used on stdin (0).
+       int origflags = fcntl (1, F_GETFL, 0);
+       fcntl (1, F_SETFL, origflags & ~FNDELAY);
+#endif
+       while(*text)
+       {
+               int written = (int)write(1, text, (int)strlen(text));
+               if(written <= 0)
+                       break; // sorry, I cannot do anything about this error - without an output
+               text += written;
+       }
+#ifndef WIN32
+       fcntl (1, F_SETFL, origflags);
+#endif
+       //fprintf(stdout, "%s", text);
 }
 
 double Sys_DoubleTime (void)
@@ -62,6 +76,7 @@ double Sys_DoubleTime (void)
        static double oldtime = 0.0, curtime = 0.0;
        double newtime;
 #ifdef WIN32
+#include <mmsystem.h>
        // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
        if (sys_usetimegettime.integer)
        {
@@ -98,7 +113,12 @@ double Sys_DoubleTime (void)
                LARGE_INTEGER PerformanceCount;
 
                if (!QueryPerformanceFrequency (&PerformanceFreq))
-                       Sys_Error ("No hardware timer available");
+               {
+                       Con_Printf ("No hardware timer available\n");
+                       // fall back to timeGetTime
+                       Cvar_SetValueQuick(&sys_usetimegettime, true);
+                       return Sys_DoubleTime();
+               }
                QueryPerformanceCounter (&PerformanceCount);
 
                #ifdef __BORLANDC__
@@ -138,8 +158,8 @@ char *Sys_ConsoleInput(void)
 {
        if (cls.state == ca_dedicated)
        {
-               static char text[256];
-               int len;
+               static char text[MAX_INPUTLINE];
+               static unsigned int len = 0;
 #ifdef WIN32
                int c;
 
@@ -147,30 +167,30 @@ char *Sys_ConsoleInput(void)
                while (_kbhit ())
                {
                        c = _getch ();
-                       putch (c);
                        if (c == '\r')
                        {
-                               text[len] = 0;
+                               text[len] = '\0';
                                putch ('\n');
                                len = 0;
                                return text;
                        }
-                       if (c == 8)
+                       if (c == '\b')
                        {
                                if (len)
                                {
+                                       putch (c);
                                        putch (' ');
                                        putch (c);
                                        len--;
-                                       text[len] = 0;
                                }
                                continue;
                        }
-                       text[len] = c;
-                       len++;
-                       text[len] = 0;
-                       if (len == sizeof (text))
-                               len = 0;
+                       if (len < sizeof (text) - 1)
+                       {
+                               putch (c);
+                               text[len] = c;
+                               len++;
+                       }
                }
 #else
                fd_set fdset;
@@ -194,34 +214,45 @@ char *Sys_ConsoleInput(void)
        return NULL;
 }
 
-void Sys_Sleep(void)
+void Sys_Sleep(int milliseconds)
 {
+       if (milliseconds < 1)
+               milliseconds = 1;
 #ifdef WIN32
-       Sleep (1);
+       Sleep(milliseconds);
 #else
-       usleep(1);
+       usleep(milliseconds * 1000);
 #endif
 }
 
-int main (int argc, const char **argv)
+char *Sys_GetClipboardData (void)
+{
+       return NULL;
+}
+
+void Sys_InitConsole (void)
+{
+}
+
+void Sys_Init_Commands (void)
+{
+}
+
+int main (int argc, char **argv)
 {
        double frameoldtime, framenewtime;
 
        signal(SIGFPE, SIG_IGN);
 
        com_argc = argc;
-       com_argv = argv;
+       com_argv = (const char **)argv;
 
 #ifndef WIN32
        fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) | FNDELAY);
 #endif
 
-       Sys_Shared_EarlyInit();
-
        Host_Init();
 
-       Sys_Shared_LateInit();
-
        frameoldtime = Sys_DoubleTime () - 0.1;
        while (1)
        {