/**
* Clear a window to the bottom from current cursor position
*
* @v *win subject window
* @ret rc return status code
*/
int wclrtobot ( WINDOW *win ) {
struct cursor_pos pos;
_store_curs_pos( win, &pos );
do {
_wputc( win, ' ', WRAP );
} while ( win->curs_y + win->curs_x );
_restore_curs_pos( win, &pos );
return OK;
}
/**
* Clear a window to the end of the current line
*
* @v *win subject window
* @ret rc return status code
*/
int wclrtoeol ( WINDOW *win ) {
struct cursor_pos pos;
_store_curs_pos( win, &pos );
while ( ( win->curs_y - pos.y ) == 0 ) {
_wputc( win, ' ', WRAP );
}
_restore_curs_pos( win, &pos );
return OK;
}
/**
* Delete character under the cursor in a window
*
* @v *win subject window
* @ret rc return status code
*/
int wdelch ( WINDOW *win ) {
_wputc( win, ' ', NOWRAP );
_wcursback( win );
return OK;
}
/**
* Write a standard c-style string to a window
*
* @v *win window in which to write
* @v *str string
* @v wrap wrap "switch"
* @v n write at most n chars from *str
*/
void _wputstr ( WINDOW *win, const char *str, int wrap, int n ) {
for ( ; *str && n-- ; str++ ) {
_wputc ( win, *str, wrap );
}
}
