diff options
author | Andy Gozas <andy@gozas.me> | 2021-08-05 16:23:27 +0200 |
---|---|---|
committer | Bram Moolenaar <Bram@vim.org> | 2021-08-05 16:23:27 +0200 |
commit | 6a230c6b32695393785ae64b440ce5f023a22382 (patch) | |
tree | d4fe55c5a64ae1024bfd1f8ef6a41663879cabf6 /src/insexpand.c | |
parent | bc67e5a0a494f5fc48e872d747371e31a782d171 (diff) |
patch 8.2.3293: finding completions may cause an endless loopv8.2.3293
Problem: Finding completions may cause an endless loop.
Solution: Use a better way to check coming back where the search started.
(Andy Gozas, closes #8672, closes #8671)
Diffstat (limited to 'src/insexpand.c')
-rw-r--r-- | src/insexpand.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/src/insexpand.c b/src/insexpand.c index 3b58891fcc..4f8a626517 100644 --- a/src/insexpand.c +++ b/src/insexpand.c @@ -2712,6 +2712,8 @@ ins_compl_get_exp(pos_T *ini) char_u *dict = NULL; int dict_f = 0; int set_match_pos; + pos_T prev_pos = {0, 0, 0}; + int looped_around = FALSE; if (!compl_started) { @@ -2964,6 +2966,7 @@ ins_compl_get_exp(pos_T *ini) p_ws = FALSE; else if (*e_cpt == '.') p_ws = TRUE; + looped_around = FALSE; for (;;) { int cont_s_ipos = FALSE; @@ -2991,8 +2994,31 @@ ins_compl_get_exp(pos_T *ini) set_match_pos = FALSE; } else if (first_match_pos.lnum == last_match_pos.lnum - && first_match_pos.col == last_match_pos.col) + && first_match_pos.col == last_match_pos.col) + { found_new_match = FAIL; + } + else if ((compl_direction == FORWARD) + && (prev_pos.lnum > pos->lnum + || (prev_pos.lnum == pos->lnum + && prev_pos.col >= pos->col))) + { + if (looped_around) + found_new_match = FAIL; + else + looped_around = TRUE; + } + else if ((compl_direction != FORWARD) + && (prev_pos.lnum < pos->lnum + || (prev_pos.lnum == pos->lnum + && prev_pos.col <= pos->col))) + { + if (looped_around) + found_new_match = FAIL; + else + looped_around = TRUE; + } + prev_pos = *pos; if (found_new_match == FAIL) { if (ins_buf == curbuf) |