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vim-patch:9.0.0240: crash when using ":mkspell" with an empty .dic file

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Problem:    Crash when using ":mkspell" with an empty .dic file.
Solution:   Check for an empty word tree.

6669de1b23

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq
2023-05-04 13:49:19 +08:00
parent 7e70a1e44b
commit 7ddf235d7e
2 changed files with 16 additions and 1 deletions
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5
src/nvim/spellfile.c
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@@ -4971,9 +4971,12 @@ static int sug_filltree(spellinfo_T *spin, slang_T *slang)
spin->si_sugtree = true;
// Go through the whole case-folded tree, soundfold each word and put it
// in the trie.
// in the trie. Bail out if the tree is empty.
byts = slang->sl_fbyts;
idxs = slang->sl_fidxs;
if (byts == NULL || idxs == NULL) {
return FAIL;
}
arridx[0] = 0;
curi[0] = 1;