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)

/* cindent.c */
int cin_is_cinword(char_u *line);
pos_T *find_start_comment(int ind_maxcomment);
int cindent_on(void);
void parse_cino(buf_T *buf);
int get_c_indent(void);
int in_cinkeys(int keytyped, int when, int line_is_empty);
void do_c_expr_indent(void);
void f_cindent(typval_T *argvars, typval_T *rettv);
/* vim: set ft=c : */