patch 8.0.0816: crash when using invalid buffer number commit https://github.com/vim/vim/commit/f144a3fb73340fe22e08bd1fa77e27c9f55bb0af Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 30 18:02:12 2017 +0200 patch 8.0.0816: crash when using invalid buffer number Problem: Crash when using invalid buffer number. Solution: Check for NULL buffer. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/1899)

/* hangulin.c */
int hangul_input_state_get(void);
void hangul_input_state_set(int state);
int im_get_status(void);
void hangul_input_state_toggle(void);
void hangul_keyboard_set(void);
int hangul_input_process(char_u *s, int len);
void hangul_input_clear(void);
char_u *hangul_string_convert(char_u *buf, int *p_len);
char_u *hangul_composing_buffer_get(int *p_len);
/* vim: set ft=c : */