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authorzeertzjq <zeertzjq@outlook.com>2022-01-30 14:53:56 +0800
committerzeertzjq <zeertzjq@outlook.com>2022-02-01 17:08:40 +0800
commit7d72076a6f3bd3cb85100c94bfeb7a70de345c3b (patch)
tree8b6f22f2fa203841f910ea38745e4c36ad77af9f /src/nvim/file_search.c
parenta562b5771ea91becd0a469378ec852feaf50d2d0 (diff)
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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
Diffstat (limited to 'src/nvim/file_search.c')
-rw-r--r--src/nvim/file_search.c8
1 files changed, 7 insertions, 1 deletions
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);