patch 8.1.2061: MS-Windows GUI: ":sh" crashes when trying to use a terminal Commit: https://github.com/vim/vim/commit/4d5c12626c98df23e1a5d953692d946310ddfa9c Author: Bram Moolenaar <Bram@vim.org> Date: Fri Sep 20 17:20:02 2019 +0200 patch 8.1.2061: MS-Windows GUI: ":sh" crashes when trying to use a terminal Problem: MS-Windows GUI: ":sh" crashes when trying to use a terminal. Solution: Check for a NULL command. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/4958)

/* sha256.c */
void sha256_start(context_sha256_T *ctx);
void sha256_update(context_sha256_T *ctx, char_u *input, UINT32_T length);
void sha256_finish(context_sha256_T *ctx, char_u digest[32]);
char_u *sha256_bytes(char_u *buf, int buf_len, char_u *salt, int salt_len);
char_u *sha256_key(char_u *buf, char_u *salt, int salt_len);
int sha256_self_test(void);
void sha2_seed(char_u *header, int header_len, char_u *salt, int salt_len);
/* vim: set ft=c : */