- fixed Iso-C problems

- minor bugs fixed.

c/xlib/region.c

@@ -1,7 +1,7 @@
 #include "xlib.h"
 
-#define scx_extract_region(x) (Region)s48_extract_pointer(x)
-#define scx_enter_region(r) s48_enter_pointer(r)
+#define scx_extract_region(x) (Region)S48_EXTRACT_POINTER(x)
+#define scx_enter_region(r) S48_ENTER_POINTER(r)
 
 /*** create or destroy regions *************************************/
 
@@ -27,22 +27,24 @@ s48_value scx_Empty_Region(s48_value r) {
 }
 
 s48_value scx_Equal_Region(s48_value r1, s48_value r2) {
+  Bool res;
   S48_DECLARE_GC_PROTECT_2(r1, r2);
-  Bool res = XEqualRegion(scx_extract_region(r1),
-			  scx_extract_region(r2));
+  res = XEqualRegion(scx_extract_region(r1),
+		     scx_extract_region(r2));
   S48_GC_RETURN(S48_ENTER_BOOLEAN(res));
 }
 
 s48_value scx_Point_In_Region(s48_value r, s48_value x, s48_value y) {
+  Bool res;
   S48_DECLARE_GC_PROTECT_3(r, x, y);
-  Bool res = XPointInRegion(scx_extract_region(r),
-			    s48_extract_integer(x),
-			    s48_extract_integer(y));
+  res = XPointInRegion(scx_extract_region(r),
+		       s48_extract_integer(x),
+		       s48_extract_integer(y));
   S48_GC_RETURN(S48_ENTER_BOOLEAN(res));
 }
 
-extern s48_value scx_rect_in_region_type_binding;
-extern s48_value scx_rect_in_region_types_binding;
+s48_value scx_rect_in_region_type_binding = S48_FALSE;
+s48_value scx_rect_in_region_types_binding = S48_FALSE;
 #define scx_extract_rect_in_region_type(x) \
   S48_EXTRACT_ENUM(x, scx_rect_in_region_type_binding)
 #define scx_enter_rect_in_region_type(x) \
@@ -134,7 +136,7 @@ s48_value scx_Polygon_Region(s48_value points, s48_value fill_rule) {
     points = S48_CDR(points);
   }
   r = XPolygonRegion(ps, n, scx_extract_fill_rule(fill_rule));
-  S48_RETURN(scx_enter_region(r));
+  S48_GC_RETURN(scx_enter_region(r));
 }
 
 s48_value scx_Clip_Box(s48_value r) {

scheme/xlib/region.scm

@@ -18,7 +18,7 @@
 (define-enumerated-type rect-in-region-type :rect-in-region-type
   rect-in-region-type? rect-in-region-types rect-in-region-type-name
   rect-in-region-type-index
-  (rectangle-in rectangle-out rectangle-part))
+  (out in part))
 
 (define-exported-binding "scx-rect-in-region-type" :rect-in-region-type)
 (define-exported-binding "scx-rect-in-region-types" rect-in-region-types)

scheme/xlib/xlib-interfaces.scm

@@ -799,11 +799,11 @@
    ;; region.scm *****************************************************
    create-region set-region destroy-region
    empty-region? equal-region? point-in-region?
-   ((rectangle-in rectangle-out rectangle-part) :enumeration)
+   (rect-in-region-type :enumeration)
    rect-in-region? intersect-region! intersect-region
    union-region! union-region union-rect-with-region! union-rect-with-region
    subtract-region! subtract-region xor-region! xor-region
-   offset-region! shrink-region
+   offset-region! shrink-region!
    polygon-region clip-box
 
    ;; atom.scm *******************************************************