patch 8.2.0189: cd() with NULL argument crashes Commit: https://github.com/vim/vim/commit/7cc96923c44bbcc541cbd211b6308d87a965f0c3 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 31 22:41:38 2020 +0100 patch 8.2.0189: cd() with NULL argument crashes Problem: cd() with NULL argument crashes. Solution: Check for NULL. (Ken Takata, closes https://github.com/vim/vim/issues/5558)

/* termlib.c */
int tgetent(char *tbuf, char *term);
int tgetflag(char *id);
int tgetnum(char *id);
char *tgetstr(char *id, char **buf);
char *tgoto(char *cm, int col, int line);
int tputs(char *cp, int affcnt, void (*outc)(unsigned int));
/* vim: set ft=c : */