52 lines
1.4 KiB
Diff
52 lines
1.4 KiB
Diff
From 156d3911952d73b03d7420dc3540215247db0fe8 Mon Sep 17 00:00:00 2001
|
||
From: Bram Moolenaar <Bram@vim.org>
|
||
Date: Sat, 18 Jun 2022 14:09:08 +0100
|
||
Subject: [PATCH] patch 8.2.5123: using invalid index when looking for spell
|
||
suggestions
|
||
|
||
Problem: Using invalid index when looking for spell suggestions.
|
||
Solution: Do not decrement the index when it is zero.
|
||
---
|
||
src/spellsuggest.c | 3 ++-
|
||
src/testdir/test_spell.vim | 10 ++++++++++
|
||
2 files changed, 12 insertions(+), 1 deletion(-)
|
||
|
||
diff --git a/src/spellsuggest.c b/src/spellsuggest.c
|
||
index 2b7d13b..379d9ba 100644
|
||
--- a/src/spellsuggest.c
|
||
+++ b/src/spellsuggest.c
|
||
@@ -1944,7 +1944,8 @@ suggest_trie_walk(
|
||
sp->ts_isdiff = (newscore != 0)
|
||
? DIFF_YES : DIFF_NONE;
|
||
}
|
||
- else if (sp->ts_isdiff == DIFF_INSERT)
|
||
+ else if (sp->ts_isdiff == DIFF_INSERT
|
||
+ && sp->ts_fidx > 0)
|
||
// When inserting trail bytes don't advance in the
|
||
// bad word.
|
||
--sp->ts_fidx;
|
||
diff --git a/src/testdir/test_spell.vim b/src/testdir/test_spell.vim
|
||
index c09137a..b6117aa 100644
|
||
--- a/src/testdir/test_spell.vim
|
||
+++ b/src/testdir/test_spell.vim
|
||
@@ -70,6 +70,16 @@ func Test_z_equal_on_invalid_utf8_word()
|
||
bwipe!
|
||
endfunc
|
||
|
||
+func Test_z_equal_on_single_character()
|
||
+ " this was decrementing the index below zero
|
||
+ new
|
||
+ norm a0\Ê
|
||
+ norm zW
|
||
+ norm z=
|
||
+
|
||
+ bwipe!
|
||
+endfunc
|
||
+
|
||
" Test spellbadword() with argument
|
||
func Test_spellbadword()
|
||
set spell
|
||
--
|
||
1.8.3.1
|
||
|