Add another few Xlib stubs for Win32. Cherry-picked from [http://www.androwish.org/index.html/info/862eb620a096fddc|AndroWish]. Thanks to Christian Werner.

10 files changed, 346 insertions, 36 deletions

diff --git a/.fossil-settings/crlf-glob b/.fossil-settings/crlf-glob
new file mode 100644
index 0000000..7175730
--- /dev/null
+++ b/.fossil-settings/crlf-glob
@@ -0,0 +1,6 @@
+win/buildall.vc.bat
+win/makefile.bc
+win/makefile.vc
+win/mkd.bat
+win/rmd.bat
+win/rules.vc
diff --git a/generic/tkInt.decls b/generic/tkInt.decls
index 586b407..a13d8d7 100644
--- a/generic/tkInt.decls
+++ b/generic/tkInt.decls
@@ -1422,28 +1422,76 @@ declare 106 win {
 
 # New in Tk 8.6
 declare 107 win {
-   int XFlush(Display *display)
+    int XFlush(Display *display)
 }
 declare 108 win {
-   int XGrabServer(Display *display)
+    int XGrabServer(Display *display)
 }
 declare 109 win {
-   int XUngrabServer(Display *display)
+    int XUngrabServer(Display *display)
 }
 declare 110 win {
-   int XFree(void *data)
+    int XFree(void *data)
 }
 declare 111 win {
-   int XNoOp(Display *display)
+    int XNoOp(Display *display)
 }
 declare 112 win {
-   XAfterFunction XSynchronize(Display *display, Bool onoff)
+    XAfterFunction XSynchronize(Display *display, Bool onoff)
 }
 declare 113 win {
-   int XSync(Display *display, Bool discard)
+    int XSync(Display *display, Bool discard)
 }
 declare 114 win {
-   VisualID XVisualIDFromVisual(Visual *visual)
+    VisualID XVisualIDFromVisual(Visual *visual)
+}
+
+# For tktreectrl
+declare 120 win {
+    int XOffsetRegion(Region rgn, int dx, int dy)
+}
+declare 121 win {
+    int XUnionRegion(Region srca, Region srcb, Region dr_return)
+}
+
+# For 3dcanvas
+declare 122 win {
+    Window XCreateWindow(Display *display, Window parent, int x, int y,
+	    unsigned int width, unsigned int height,
+	    unsigned int border_width, int depth, unsigned int clazz,
+	    Visual *visual, unsigned long value_mask,
+	    XSetWindowAttributes *attributes)
+}
+
+# Various, e.g. for stub-enabled BLT
+declare 129 win {
+    int XLowerWindow(Display *d, Window w)
+}
+declare 130 win {
+    int XFillArcs(Display *d, Drawable dr, GC gc, XArc *a, int n)
+}
+declare 131 win {
+    int XDrawArcs(Display *d, Drawable dr, GC gc, XArc *a, int n)
+}
+declare 132 win {
+    int XDrawRectangles(Display *d, Drawable dr, GC gc, XRectangle *r, int n)
+}
+declare 133 win {
+    int XDrawSegments(Display *d, Drawable dr, GC gc, XSegment *s, int n)
+}
+declare 134 win {
+    int XDrawPoint(Display *d, Drawable dr, GC gc, int x, int y)
+}
+declare 135 win {
+    int XDrawPoints(Display *d, Drawable dr, GC gc, XPoint *p, int n, int m)
+}
+declare 136 win {
+    int XReparentWindow(Display *d, Window w, Window p, int x, int y)
+}
+declare 137 win {
+    int XPutImage(Display *d, Drawable dr, GC gc, XImage *im,
+	    int sx, int sy, int dx, int dy,
+	    unsigned int w, unsigned int h)
 }
 
 ################################
@@ -1725,7 +1773,7 @@ declare 79 aqua {
 	    XTextProperty *text_prop_return)
 }
 declare 80 aqua {
-    void XDrawSegments(Display *display, Drawable d, GC gc,
+    int XDrawSegments(Display *display, Drawable d, GC gc,
 	    XSegment *segments, int nsegments)
 }
 declare 81 aqua {
@@ -1743,10 +1791,10 @@ declare 84 aqua {
     void XClearWindow(Display *d, Window w)
 }
 declare 85 aqua {
-    void XDrawPoint(Display *display, Drawable d, GC gc, int x, int y)
+    int XDrawPoint(Display *display, Drawable d, GC gc, int x, int y)
 }
 declare 86 aqua {
-    void XDrawPoints(Display *display, Drawable d, GC gc, XPoint *points,
+    int XDrawPoints(Display *display, Drawable d, GC gc, XPoint *points,
 	    int npoints, int mode)
 }
 declare 87 aqua {
diff --git a/generic/tkIntXlibDecls.h b/generic/tkIntXlibDecls.h
index 6ac7ccb..8e7d650 100644
--- a/generic/tkIntXlibDecls.h
+++ b/generic/tkIntXlibDecls.h
@@ -356,6 +356,57 @@ EXTERN XAfterFunction	XSynchronize(Display *display, Bool onoff);
 EXTERN int		XSync(Display *display, Bool discard);
 /* 114 */
 EXTERN VisualID		XVisualIDFromVisual(Visual *visual);
+/* Slot 115 is reserved */
+/* Slot 116 is reserved */
+/* Slot 117 is reserved */
+/* Slot 118 is reserved */
+/* Slot 119 is reserved */
+/* 120 */
+EXTERN int		XOffsetRegion(Region rgn, int dx, int dy);
+/* 121 */
+EXTERN int		XUnionRegion(Region srca, Region srcb,
+				Region dr_return);
+/* 122 */
+EXTERN Window		XCreateWindow(Display *display, Window parent, int x,
+				int y, unsigned int width,
+				unsigned int height,
+				unsigned int border_width, int depth,
+				unsigned int clazz, Visual *visual,
+				unsigned long value_mask,
+				XSetWindowAttributes *attributes);
+/* Slot 123 is reserved */
+/* Slot 124 is reserved */
+/* Slot 125 is reserved */
+/* Slot 126 is reserved */
+/* Slot 127 is reserved */
+/* Slot 128 is reserved */
+/* 129 */
+EXTERN int		XLowerWindow(Display *d, Window w);
+/* 130 */
+EXTERN int		XFillArcs(Display *d, Drawable dr, GC gc, XArc *a,
+				int n);
+/* 131 */
+EXTERN int		XDrawArcs(Display *d, Drawable dr, GC gc, XArc *a,
+				int n);
+/* 132 */
+EXTERN int		XDrawRectangles(Display *d, Drawable dr, GC gc,
+				XRectangle *r, int n);
+/* 133 */
+EXTERN int		XDrawSegments(Display *d, Drawable dr, GC gc,
+				XSegment *s, int n);
+/* 134 */
+EXTERN int		XDrawPoint(Display *d, Drawable dr, GC gc, int x,
+				int y);
+/* 135 */
+EXTERN int		XDrawPoints(Display *d, Drawable dr, GC gc,
+				XPoint *p, int n, int m);
+/* 136 */
+EXTERN int		XReparentWindow(Display *d, Window w, Window p,
+				int x, int y);
+/* 137 */
+EXTERN int		XPutImage(Display *d, Drawable dr, GC gc, XImage *im,
+				int sx, int sy, int dx, int dy,
+				unsigned int w, unsigned int h);
 #endif /* WIN */
 #ifdef MAC_OSX_TK /* AQUA */
 /* 0 */
@@ -584,7 +635,7 @@ EXTERN void		XSetWMClientMachine(Display *display, Window w,
 EXTERN Status		XStringListToTextProperty(char **list, int count,
 				XTextProperty *text_prop_return);
 /* 80 */
-EXTERN void		XDrawSegments(Display *display, Drawable d, GC gc,
+EXTERN int		XDrawSegments(Display *display, Drawable d, GC gc,
 				XSegment *segments, int nsegments);
 /* 81 */
 EXTERN void		XForceScreenSaver(Display *display, int mode);
@@ -598,10 +649,10 @@ EXTERN int		XFillRectangle(Display *display, Drawable d, GC gc,
 /* 84 */
 EXTERN void		XClearWindow(Display *d, Window w);
 /* 85 */
-EXTERN void		XDrawPoint(Display *display, Drawable d, GC gc,
+EXTERN int		XDrawPoint(Display *display, Drawable d, GC gc,
 				int x, int y);
 /* 86 */
-EXTERN void		XDrawPoints(Display *display, Drawable d, GC gc,
+EXTERN int		XDrawPoints(Display *display, Drawable d, GC gc,
 				XPoint *points, int npoints, int mode);
 /* 87 */
 EXTERN int		XWarpPointer(Display *display, Window src_w,
@@ -742,6 +793,29 @@ typedef struct TkIntXlibStubs {
     XAfterFunction (*xSynchronize) (Display *display, Bool onoff); /* 112 */
     int (*xSync) (Display *display, Bool discard); /* 113 */
     VisualID (*xVisualIDFromVisual) (Visual *visual); /* 114 */
+    void (*reserved115)(void);
+    void (*reserved116)(void);
+    void (*reserved117)(void);
+    void (*reserved118)(void);
+    void (*reserved119)(void);
+    int (*xOffsetRegion) (Region rgn, int dx, int dy); /* 120 */
+    int (*xUnionRegion) (Region srca, Region srcb, Region dr_return); /* 121 */
+    Window (*xCreateWindow) (Display *display, Window parent, int x, int y, unsigned int width, unsigned int height, unsigned int border_width, int depth, unsigned int clazz, Visual *visual, unsigned long value_mask, XSetWindowAttributes *attributes); /* 122 */
+    void (*reserved123)(void);
+    void (*reserved124)(void);
+    void (*reserved125)(void);
+    void (*reserved126)(void);
+    void (*reserved127)(void);
+    void (*reserved128)(void);
+    int (*xLowerWindow) (Display *d, Window w); /* 129 */
+    int (*xFillArcs) (Display *d, Drawable dr, GC gc, XArc *a, int n); /* 130 */
+    int (*xDrawArcs) (Display *d, Drawable dr, GC gc, XArc *a, int n); /* 131 */
+    int (*xDrawRectangles) (Display *d, Drawable dr, GC gc, XRectangle *r, int n); /* 132 */
+    int (*xDrawSegments) (Display *d, Drawable dr, GC gc, XSegment *s, int n); /* 133 */
+    int (*xDrawPoint) (Display *d, Drawable dr, GC gc, int x, int y); /* 134 */
+    int (*xDrawPoints) (Display *d, Drawable dr, GC gc, XPoint *p, int n, int m); /* 135 */
+    int (*xReparentWindow) (Display *d, Window w, Window p, int x, int y); /* 136 */
+    int (*xPutImage) (Display *d, Drawable dr, GC gc, XImage *im, int sx, int sy, int dx, int dy, unsigned int w, unsigned int h); /* 137 */
 #endif /* WIN */
 #ifdef MAC_OSX_TK /* AQUA */
     int (*xSetDashes) (Display *display, GC gc, int dash_offset, _Xconst char *dash_list, int n); /* 0 */
@@ -824,13 +898,13 @@ typedef struct TkIntXlibStubs {
     XVisualInfo * (*xGetVisualInfo) (Display *display, long vinfo_mask, XVisualInfo *vinfo_template, int *nitems_return); /* 77 */
     void (*xSetWMClientMachine) (Display *display, Window w, XTextProperty *text_prop); /* 78 */
     Status (*xStringListToTextProperty) (char **list, int count, XTextProperty *text_prop_return); /* 79 */
-    void (*xDrawSegments) (Display *display, Drawable d, GC gc, XSegment *segments, int nsegments); /* 80 */
+    int (*xDrawSegments) (Display *display, Drawable d, GC gc, XSegment *segments, int nsegments); /* 80 */
     void (*xForceScreenSaver) (Display *display, int mode); /* 81 */
     int (*xDrawLine) (Display *d, Drawable dr, GC g, int x1, int y1, int x2, int y2); /* 82 */
     int (*xFillRectangle) (Display *display, Drawable d, GC gc, int x, int y, unsigned int width, unsigned int height); /* 83 */
     void (*xClearWindow) (Display *d, Window w); /* 84 */
-    void (*xDrawPoint) (Display *display, Drawable d, GC gc, int x, int y); /* 85 */
-    void (*xDrawPoints) (Display *display, Drawable d, GC gc, XPoint *points, int npoints, int mode); /* 86 */
+    int (*xDrawPoint) (Display *display, Drawable d, GC gc, int x, int y); /* 85 */
+    int (*xDrawPoints) (Display *display, Drawable d, GC gc, XPoint *points, int npoints, int mode); /* 86 */
     int (*xWarpPointer) (Display *display, Window src_w, Window dest_w, int src_x, int src_y, unsigned int src_width, unsigned int src_height, int dest_x, int dest_y); /* 87 */
     void (*xQueryColor) (Display *display, Colormap colormap, XColor *def_in_out); /* 88 */
     void (*xQueryColors) (Display *display, Colormap colormap, XColor *defs_in_out, int ncolors); /* 89 */
@@ -1081,6 +1155,41 @@ extern const TkIntXlibStubs *tkIntXlibStubsPtr;
 	(tkIntXlibStubsPtr->xSync) /* 113 */
 #define XVisualIDFromVisual \
 	(tkIntXlibStubsPtr->xVisualIDFromVisual) /* 114 */
+/* Slot 115 is reserved */
+/* Slot 116 is reserved */
+/* Slot 117 is reserved */
+/* Slot 118 is reserved */
+/* Slot 119 is reserved */
+#define XOffsetRegion \
+	(tkIntXlibStubsPtr->xOffsetRegion) /* 120 */
+#define XUnionRegion \
+	(tkIntXlibStubsPtr->xUnionRegion) /* 121 */
+#define XCreateWindow \
+	(tkIntXlibStubsPtr->xCreateWindow) /* 122 */
+/* Slot 123 is reserved */
+/* Slot 124 is reserved */
+/* Slot 125 is reserved */
+/* Slot 126 is reserved */
+/* Slot 127 is reserved */
+/* Slot 128 is reserved */
+#define XLowerWindow \
+	(tkIntXlibStubsPtr->xLowerWindow) /* 129 */
+#define XFillArcs \
+	(tkIntXlibStubsPtr->xFillArcs) /* 130 */
+#define XDrawArcs \
+	(tkIntXlibStubsPtr->xDrawArcs) /* 131 */
+#define XDrawRectangles \
+	(tkIntXlibStubsPtr->xDrawRectangles) /* 132 */
+#define XDrawSegments \
+	(tkIntXlibStubsPtr->xDrawSegments) /* 133 */
+#define XDrawPoint \
+	(tkIntXlibStubsPtr->xDrawPoint) /* 134 */
+#define XDrawPoints \
+	(tkIntXlibStubsPtr->xDrawPoints) /* 135 */
+#define XReparentWindow \
+	(tkIntXlibStubsPtr->xReparentWindow) /* 136 */
+#define XPutImage \
+	(tkIntXlibStubsPtr->xPutImage) /* 137 */
 #endif /* WIN */
 #ifdef MAC_OSX_TK /* AQUA */
 #define XSetDashes \
diff --git a/generic/tkStubInit.c b/generic/tkStubInit.c
index f08d7f4..9411c26 100644
--- a/generic/tkStubInit.c
+++ b/generic/tkStubInit.c
@@ -62,6 +62,9 @@ TkCreateXEventSource(void)
 #   define TkUnixContainerId 0
 #   define TkUnixDoOneXEvent 0
 #   define TkUnixSetMenubar 0
+#   define XCreateWindow 0
+#   define XOffsetRegion 0
+#   define XUnionRegion 0
 #   define TkWmCleanup (void (*)(TkDisplay *)) TkpSync
 #   define TkSendCleanup (void (*)(TkDisplay *)) TkpSync
 #   define TkpTestsendCmd 0
@@ -698,6 +701,29 @@ static const TkIntXlibStubs tkIntXlibStubs = {
     XSynchronize, /* 112 */
     XSync, /* 113 */
     XVisualIDFromVisual, /* 114 */
+    0, /* 115 */
+    0, /* 116 */
+    0, /* 117 */
+    0, /* 118 */
+    0, /* 119 */
+    XOffsetRegion, /* 120 */
+    XUnionRegion, /* 121 */
+    XCreateWindow, /* 122 */
+    0, /* 123 */
+    0, /* 124 */
+    0, /* 125 */
+    0, /* 126 */
+    0, /* 127 */
+    0, /* 128 */
+    XLowerWindow, /* 129 */
+    XFillArcs, /* 130 */
+    XDrawArcs, /* 131 */
+    XDrawRectangles, /* 132 */
+    XDrawSegments, /* 133 */
+    XDrawPoint, /* 134 */
+    XDrawPoints, /* 135 */
+    XReparentWindow, /* 136 */
+    XPutImage, /* 137 */
 #endif /* WIN */
 #ifdef MAC_OSX_TK /* AQUA */
     XSetDashes, /* 0 */
diff --git a/macosx/tkMacOSXDraw.c b/macosx/tkMacOSXDraw.c
index f48538d..f85d6ac 100644
--- a/macosx/tkMacOSXDraw.c
+++ b/macosx/tkMacOSXDraw.c
@@ -880,7 +880,7 @@ XDrawLines(
  *----------------------------------------------------------------------
  */
 
-void
+int
 XDrawSegments(
     Display *display,
     Drawable d,
@@ -894,7 +894,7 @@ XDrawSegments(
 
     display->request++;
     if (!TkMacOSXSetupDrawingContext(d, gc, 1, &dc)) {
-	return;
+	return BadDrawable;
     }
     if (dc.context) {
 	double o = (lw % 2) ? .5 : 0;
@@ -911,6 +911,7 @@ XDrawSegments(
 	}
     }
     TkMacOSXRestoreDrawingContext(&dc);
+    return Success;
 }
 
 /*
diff --git a/win/tkWinDraw.c b/win/tkWinDraw.c
index ba4176c..bb903db 100644
--- a/win/tkWinDraw.c
+++ b/win/tkWinDraw.c
@@ -486,7 +486,7 @@ XCopyPlane(
 /*
  *----------------------------------------------------------------------
  *
- * TkPutImage --
+ * TkPutImage, XPutImage --
  *
  *	Copies a subimage from an in-memory image to a rectangle of of the
  *	specified drawable.
@@ -599,6 +599,21 @@ TkPutImage(
     TkWinReleaseDrawableDC(d, dc, &state);
     return Success;
 }
+
+int
+XPutImage(
+    Display *display,
+    Drawable d,			/* Destination drawable. */
+    GC gc,
+    XImage *image,		/* Source image. */
+    int src_x, int src_y,	/* Offset of subimage. */
+    int dest_x, int dest_y,	/* Position of subimage origin in drawable. */
+    unsigned int width, unsigned int height)
+				/* Dimensions of subimage. */
+{
+    return TkPutImage(NULL, 0, display, d, gc, image,
+		src_x, src_y, dest_x, dest_y, width, height);
+}
 
 /*
  *----------------------------------------------------------------------
@@ -940,7 +955,7 @@ XFillPolygon(
 /*
  *----------------------------------------------------------------------
  *
- * XDrawRectangle --
+ * XDrawRectangle, XDrawRectangles --
  *
  *	Draws a rectangle.
  *
@@ -985,11 +1000,31 @@ XDrawRectangle(
     TkWinReleaseDrawableDC(d, dc, &state);
     return Success;
 }
+
+int
+XDrawRectangles(
+    Display *display,
+    Drawable d,
+    GC gc,
+    XRectangle rects[],
+    int nrects)
+{
+    int n, ret;
+
+    for (n = 0; n < nrects; n++) {
+	ret = XDrawRectangle(display, d, gc, rects[n].x, rects[n].y,
+		    rects[n].width, rects[n].height);
+	if (ret != Success) {
+	    break;
+	}
+    }
+    return ret;
+}
 
 /*
  *----------------------------------------------------------------------
  *
- * XDrawArc --
+ * XDrawArc, XDrawArcs --
  *
  *	Draw an arc.
  *
@@ -1015,11 +1050,34 @@ XDrawArc(
 
     return DrawOrFillArc(display, d, gc, x, y, width, height, start, extent, 0);
 }
+
+int
+XDrawArcs(
+    Display *display,
+    Drawable d,
+    GC gc,
+    XArc *arcs,
+    int narcs)
+{
+    int n, ret;
+
+    display->request++;
+
+    for (n = 0; n < narcs; n++) {
+	ret = DrawOrFillArc(display, d, gc, arcs[n].x, arcs[n].y,
+		    arcs[n].width, arcs[n].height,
+		    arcs[n].angle1, arcs[n].angle2, 0);
+	if (ret != Success) {
+	    break;
+	}
+    }
+    return ret;
+}
 
 /*
  *----------------------------------------------------------------------
  *
- * XFillArc --
+ * XFillArc, XFillArcs --
  *
  *	Draw a filled arc.
  *
@@ -1045,6 +1103,29 @@ XFillArc(
 
     return DrawOrFillArc(display, d, gc, x, y, width, height, start, extent, 1);
 }
+
+int
+XFillArcs(
+    Display *display,
+    Drawable d,
+    GC gc,
+    XArc *arcs,
+    int narcs)
+{
+    int n, ret;
+
+    display->request++;
+
+    for (n = 0; n < narcs; n++) {
+	ret = DrawOrFillArc(display, d, gc, arcs[n].x, arcs[n].y,
+		    arcs[n].width, arcs[n].height,
+		    arcs[n].angle1, arcs[n].angle2, 1);
+	if (ret != Success) {
+	    break;
+	}
+    }
+    return ret;
+}
 
 /*
  *----------------------------------------------------------------------
diff --git a/win/tkWinWindow.c b/win/tkWinWindow.c
index ade15bc..385e72b 100644
--- a/win/tkWinWindow.c
+++ b/win/tkWinWindow.c
@@ -590,7 +590,7 @@ XResizeWindow(
 /*
  *----------------------------------------------------------------------
  *
- * XRaiseWindow --
+ * XRaiseWindow, XLowerWindow --
  *
  *	Change the stacking order of a window.
  *
@@ -614,6 +614,18 @@ XRaiseWindow(
     SetWindowPos(window, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
     return Success;
 }
+
+int
+XLowerWindow(
+    Display *display,
+    Window w)
+{
+    HWND window = Tk_GetHWND(w);
+
+    display->request++;
+    SetWindowPos(window, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
+    return Success;
+}
 
 /*
  *----------------------------------------------------------------------
@@ -753,6 +765,33 @@ XChangeWindowAttributes(
 /*
  *----------------------------------------------------------------------
  *
+ * XReparentWindow --
+ *
+ *	TODO: currently placeholder to satisfy Xlib stubs.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	TODO.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+XReparentWindow(
+    Display *display,
+    Window w,
+    Window parent,
+    int x,
+    int y)
+{
+    return BadWindow;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
  * TkWinSetWindowPos --
  *
  *	Adjust the stacking order of a window relative to a second window (or
diff --git a/win/tkWinX.c b/win/tkWinX.c
index b2424ce..098fc6d 100644
--- a/win/tkWinX.c
+++ b/win/tkWinX.c
@@ -125,16 +125,13 @@ TkGetServerInfo(
     OSVERSIONINFOW os;
 
     if (!buffer[0]) {
-	HANDLE handle = LoadLibraryW(L"NTDLL");
+	HANDLE handle = GetModuleHandle(TEXT("NTDLL"));
 	int(__stdcall *getversion)(void *) =
 		(int(__stdcall *)(void *))GetProcAddress(handle, "RtlGetVersion");
 	os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
 	if (!getversion || getversion(&os)) {
 	    GetVersionExW(&os);
 	}
-	if (handle) {
-	    FreeLibrary(handle);
-	}
 	/* Write the first character last, preventing multi-thread issues. */
 	sprintf(buffer+1, "indows %d.%d %d %s", (int)os.dwMajorVersion,
 		(int)os.dwMinorVersion, (int)os.dwBuildNumber,
diff --git a/xlib/X11/Xutil.h b/xlib/X11/Xutil.h
index 58124b0..bf372fb 100644
--- a/xlib/X11/Xutil.h
+++ b/xlib/X11/Xutil.h
@@ -535,7 +535,7 @@ extern Status XMatchVisualInfo(
 #endif
 );
 
-extern void XOffsetRegion(
+extern int XOffsetRegion(
 #if NeedFunctionPrototypes
     Region		/* r */,
     int			/* dx */,
@@ -814,7 +814,7 @@ extern void XUnionRectWithRegion(
 #endif
 );
 
-extern void XUnionRegion(
+extern int XUnionRegion(
 #if NeedFunctionPrototypes
     Region		/* sra */,
     Region		/* srb */,
diff --git a/xlib/xgc.c b/xlib/xgc.c
index e097d2e..1e720fb 100644
--- a/xlib/xgc.c
+++ b/xlib/xgc.c
@@ -520,7 +520,7 @@ XDrawImageString(
 }
 #endif
 
-void
+int
 XDrawPoint(
     Display *display,
     Drawable d,
@@ -528,10 +528,10 @@ XDrawPoint(
     int x,
     int y)
 {
-    XDrawLine(display, d, gc, x, y, x, y);
+    return XDrawLine(display, d, gc, x, y, x, y);
 }
 
-void
+int
 XDrawPoints(
     Display *display,
     Drawable d,
@@ -541,15 +541,17 @@ XDrawPoints(
     int mode)
 {
     int i;
+    int result = Success;
 
-    for (i=0; i<npoints; i++) {
-	XDrawLine(display, d, gc,
+    for (i=0; (i<npoints) && (result == Success); i++) {
+	result = XDrawLine(display, d, gc,
 		points[i].x, points[i].y, points[i].x, points[i].y);
     }
+    return result;
 }
 
 #if !defined(MAC_OSX_TK)
-void
+int
 XDrawSegments(
     Display *display,
     Drawable d,
@@ -557,6 +559,7 @@ XDrawSegments(
     XSegment *segments,
     int nsegments)
 {
+    return Success;
 }
 #endif