Fix integer overflow

xdu.c

@@ -970,7 +970,7 @@ void fprintpsbox(FILE* fp, int x1, int y1, int x2, int y2)
         "  10 setmiterlimit\n"
         "  gsave\n"
         "    newpath\n"
-        "      %i %i moveto %i %i lineto %i %i lineto %i %i lineto\n"
+        "      %d %d moveto %d %d lineto %d %d lineto %d %d lineto\n"
         "    closepath\n"
         "    stroke\n"
         "  grestore\n"
@@ -994,11 +994,10 @@ void fprintpstext(FILE* fp, int x, int y, char* s)
 
 void savepschildren(FILE* fp, struct node* nodep, struct rect rect, int showsize)
 {
-    long long totalsize;
+    long long size, totalsize;
     int totalheight,
         height,
-        top,
-        size;
+        top;
     struct node* np;
     char *name,
         label[1024];
@@ -1060,7 +1059,7 @@ void savepschildren(FILE* fp, struct node* nodep, struct rect rect, int showsize
         savepschildren(fp, np, subrect, showsize);
 
         size += np->size;
-        top = rect.top + (totalsize ? (double)size / (double)totalsize * rect.height + 0.5 : 0);
+        top = rect.top + (int)(totalsize ? (double)size / (double)totalsize * rect.height + 0.5 : 0);
     }
 }