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--- tcltk/tkmap.c.orig
+++ tcltk/tkmap.c
@@ -976,8 +976,11 @@
DGprintf("Pixel %d,%d -> unit %s\n", sx, sy, unit_desig(*unitp));
#endif
nearest_unit_view(dside, mapw->vp, sx, sy, &uview);
- if (uview)
+ if (uview) {
*unitp = view_unit(uview);
+ } else {
+ *unitp = NULL;
+ }
return TRUE;
}
@@ -3046,7 +3049,7 @@
wid2 = wid / 2;
XSetLineAttributes(dpy, gc, wid, LineSolid, CapButt, JoinMiter);
color = dside->ui->cell_color[b];
- if ((int)color < 0)
+ if ((long)color < 0)
color = dside->ui->blackcolor;
XSetForeground(dpy, gc, color->pixel);
XSetBackground(dpy, gc, dside->ui->whitecolor->pixel);
@@ -3134,7 +3137,7 @@
wid2 = wid / 2;
XSetLineAttributes(dpy, gc, wid, LineSolid, CapButt, JoinMiter);
color = dside->ui->cell_color[c];
- if ((int)color < 0)
+ if ((long)color < 0)
color = dside->ui->blackcolor;
XSetForeground(dpy, gc, color->pixel);
XSetBackground(dpy, gc, dside->ui->whitecolor->pixel);
@@ -3241,7 +3244,7 @@
wid2 = wid / 2;
XSetLineAttributes(dpy, gc, wid, LineSolid, CapButt, JoinMiter);
color = dside->ui->cell_color[c];
- if ((int)color < 0)
+ if ((long)color < 0)
color = dside->ui->blackcolor;
XSetForeground(dpy, gc, color->pixel);
XSetBackground(dpy, gc, dside->ui->whitecolor->pixel);
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