sync code with last improvements from OpenBSD

app/xwininfo/dsimple.h

@@ -0,0 +1,63 @@
+/*
+
+Copyright 1993, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+/*
+ * dsimple.h: This file contains the definitions needed to use the
+ *            functions in dsimple.c.  It also declares the global
+ *            variable program_name which is needed to use dsimple.c.
+ *
+ * Written by Mark Lillibridge for Xlib.   Last updated 7/1/87
+ * Ported to XCB over two decades later.
+ */
+
+#include <X11/Xfuncproto.h>
+#include <xcb/xcb.h>
+#include <xcb/xproto.h>
+
+typedef enum { False = 0, True } Bool;
+
+    /* Global variables used by routines in dsimple.c */
+
+extern const char *program_name;             /* Name of this program */
+
+    /* Declarations for functions in dsimple.c */
+
+const char *Get_Display_Name (const char *displayname);
+void Setup_Display_And_Screen (const char *displayname,
+			       xcb_connection_t **dpy, xcb_screen_t **screen);
+
+xcb_window_t Select_Window (xcb_connection_t *, const xcb_screen_t *, int);
+xcb_window_t Window_With_Name (xcb_connection_t *, xcb_window_t, const char *);
+
+void Fatal_Error (const char *, ...) _X_NORETURN _X_ATTRIBUTE_PRINTF(1, 2) _X_COLD;
+
+void Print_X_Error (xcb_connection_t *, xcb_generic_error_t *);
+
+struct atom_cache_entry *Intern_Atom (xcb_connection_t *, const char *);
+xcb_atom_t Get_Atom (xcb_connection_t *, const char *);
+const char *Get_Atom_Name (xcb_connection_t *, xcb_atom_t);