From 7d72076a6f3bd3cb85100c94bfeb7a70de345c3b Mon Sep 17 00:00:00 2001 From: zeertzjq Date: Sun, 30 Jan 2022 14:53:56 +0800 Subject: vim-patch:8.2.3219: :find searches non-existing directories Problem: :find searches non-existing directories. Solution: Check the path is not "..". Update help. (Christian Brabandt, closes vim/vim#8612, closes vim/vim#8533) https://github.com/vim/vim/commit/7a4ca32175bef0f9a177052796bd9addd10dc218 Change STRNCAT to STRLCAT as clint doesn't like the former. Include a typo fix from https://github.com/vim/vim/commit/2f0936cb9a2eb026acac03e6a8fd0b2a5d97508b#diff-7e9292cae1f2ba70dd5b17d2d162693a91044ada6ac99e9c3e8917f32878c097 --- src/nvim/file_search.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'src/nvim/file_search.c') diff --git a/src/nvim/file_search.c b/src/nvim/file_search.c index b4becb3066..25dbf680de 100644 --- a/src/nvim/file_search.c +++ b/src/nvim/file_search.c @@ -483,8 +483,14 @@ void *vim_findfile_init(char_u *path, char_u *filename, char_u *stopdirs, int le int len = 0; if (p > search_ctx->ffsc_fix_path) { + // do not add '..' to the path and start upwards searching len = (int)(p - search_ctx->ffsc_fix_path) - 1; - STRNCAT(ff_expand_buffer, search_ctx->ffsc_fix_path, len); + if ((len >= 2 && STRNCMP(search_ctx->ffsc_fix_path, "..", 2) == 0) + && (len == 2 || search_ctx->ffsc_fix_path[2] == PATHSEP)) { + xfree(buf); + goto error_return; + } + STRLCAT(ff_expand_buffer, search_ctx->ffsc_fix_path, eb_len + (size_t)len + 1); add_pathsep((char *)ff_expand_buffer); } else { len = (int)STRLEN(search_ctx->ffsc_fix_path); -- cgit