-
- if (vis < 0 || vis > 2)
- returnCode(ERR);
-
- if (vis == cursor)
- returnCode(cursor);
-
- switch (vis) {
- case 2:
- if (cursor_visible) {
- TPUTS_TRACE("cursor_visible");
- putp(cursor_visible);
- } else
- returnCode(ERR);
- break;
- case 1:
- if (cursor_normal) {
- TPUTS_TRACE("cursor_normal");
- putp(cursor_normal);
- } else
- returnCode(ERR);
- break;
- case 0:
- if (cursor_invisible) {
- TPUTS_TRACE("cursor_invisible");
- putp(cursor_invisible);
- } else
- returnCode(ERR);
- break;
+ if (SP != 0 && vis >= 0 && vis <= 2) {
+ int cursor = SP->_cursor;
+
+ if (vis == cursor) {
+ result = cursor;
+ } else {
+ result = (cursor == -1 ? 1 : cursor);
+ switch (vis) {
+ case 2:
+ if (cursor_visible) {
+ TPUTS_TRACE("cursor_visible");
+ putp(cursor_visible);
+ } else
+ result = ERR;
+ break;
+ case 1:
+ if (cursor_normal) {
+ TPUTS_TRACE("cursor_normal");
+ putp(cursor_normal);
+ } else
+ result = ERR;
+ break;
+ case 0:
+ if (cursor_invisible) {
+ TPUTS_TRACE("cursor_invisible");
+ putp(cursor_invisible);
+ } else
+ result = ERR;
+ break;
+ }
+ SP->_cursor = vis;
+ _nc_flush();
+ }