diff options
Diffstat (limited to 'lib/libncurses/lib_refresh.c')
| -rw-r--r-- | lib/libncurses/lib_refresh.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/libncurses/lib_refresh.c b/lib/libncurses/lib_refresh.c index 72ab095d15b7..994802525a14 100644 --- a/lib/libncurses/lib_refresh.c +++ b/lib/libncurses/lib_refresh.c @@ -40,6 +40,23 @@ int m, n; T(("wnoutrefresh(%x) called", win)); + /* + * This function will break badly if we try to refresh a pad. + */ + if ((win == 0) + || (win->_flags & _ISPAD)) + return(ERR); + + /* + * If 'newscr' has a different background than the window that we're + * trying to refresh, we'll have to copy the whole thing. + */ + if (win->_bkgd != newscr->_bkgd) { + touchwin(win); + newscr->_bkgd = win->_bkgd; + } + newscr->_attrs = win->_attrs; + win->_flags &= ~_HASMOVED; for (i = 0, m = begy; i <= win->_maxy; i++, m++) { if (win->_firstchar[i] != _NOCHANGE) { |