1 files changed, 84 insertions, 0 deletions
diff --git a/x11vnc/util.h b/x11vnc/util.h
new file mode 100644
index 0000000..e919cf3
--- /dev/null
+++ b/x11vnc/util.h
@@ -0,0 +1,84 @@
+#ifndef _X11VNC_UTIL_H
+#define _X11VNC_UTIL_H
+
+/* -- util.h -- */
+
+extern int nfix(int i, int n);
+extern int nabs(int n);
+extern double dabs(double x);
+extern void lowercase(char *str);
+extern void uppercase(char *str);
+extern char *lblanks(char *str);
+extern void strzero(char *str);
+extern int scan_hexdec(char *str, unsigned long *num);
+extern int parse_geom(char *str, int *wp, int *hp, int *xp, int *yp, int W, int H);
+extern void set_env(char *name, char *value);
+extern char *bitprint(unsigned int st, int nbits);
+extern char *get_user_name(void);
+extern char *get_home_dir(void);
+extern char *get_shell(void);
+extern char *this_host(void);
+
+extern int match_str_list(char *str, char **list);
+extern char **create_str_list(char *cslist);
+
+extern double dtime(double *);
+extern double dtime0(double *);
+extern double dnow(void);
+extern double dnowx(void);
+extern double rnow(void);
+extern double rfac(void);
+
+extern void rfbPE(long usec);
+extern void rfbCFD(long usec);
+
+
+#define NONUL(x) ((x) ? (x) : "")
+
+/* XXX usleep(3) is not thread safe on some older systems... */
+extern struct timeval _mysleep;
+#define usleep2(x) \
+	_mysleep.tv_sec  = (x) / 1000000; \
+	_mysleep.tv_usec = (x) % 1000000; \
+	select(0, NULL, NULL, NULL, &_mysleep); 
+#if !defined(X11VNC_USLEEP)
+#undef usleep
+#define usleep usleep2
+#endif
+
+/*
+ * following is based on IsModifierKey in Xutil.h
+*/
+#define ismodkey(keysym) \
+  ((((KeySym)(keysym) >= XK_Shift_L) && ((KeySym)(keysym) <= XK_Hyper_R) && \
+  ((KeySym)(keysym) != XK_Caps_Lock) && ((KeySym)(keysym) != XK_Shift_Lock)))
+
+/*
+ * Not sure why... but when threaded we have to mutex our X11 calls to
+ * avoid XIO crashes.
+ */
+#ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
+extern MUTEX(x11Mutex);
+#endif
+
+#define X_INIT INIT_MUTEX(x11Mutex)
+
+#if 1
+#define X_LOCK       LOCK(x11Mutex)
+#define X_UNLOCK   UNLOCK(x11Mutex)
+#else
+extern int hxl;
+#define X_LOCK       fprintf(stderr, "*** X_LOCK**[%05d]  %d%s\n", \
+	__LINE__, hxl, hxl ? "  BAD-PRE-LOCK":""); LOCK(x11Mutex); hxl = 1;
+#define X_UNLOCK     fprintf(stderr, "    x_unlock[%05d]  %d%s\n", \
+	__LINE__, hxl, !hxl ? "  BAD-PRE-UNLOCK":""); UNLOCK(x11Mutex); hxl = 0;
+#endif
+
+#ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
+extern MUTEX(scrollMutex);
+#endif
+#define SCR_LOCK   if (use_threads) {LOCK(scrollMutex);}
+#define SCR_UNLOCK if (use_threads) {UNLOCK(scrollMutex);}
+#define SCR_INIT INIT_MUTEX(scrollMutex)
+
+#endif /* _X11VNC_UTIL_H */