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| author | zeertzjq <zeertzjq@outlook.com> | 2024-07-31 09:53:13 +0800 |
|---|---|---|
| committer | zeertzjq <zeertzjq@outlook.com> | 2024-07-31 10:49:55 +0800 |
| commit | 43c137c3d8473ab87b5dad5c4c2414dd1016f663 (patch) | |
| tree | aa63cb1df4e9373f1e3519293aabfe6c0155a113 /src/nvim/eval/executor.c | |
| parent | 403de7ffc752c811d012020412ce1bbd4c61986f (diff) | |
| download | rneovim-43c137c3d8473ab87b5dad5c4c2414dd1016f663.tar.gz rneovim-43c137c3d8473ab87b5dad5c4c2414dd1016f663.tar.bz2 rneovim-43c137c3d8473ab87b5dad5c4c2414dd1016f663.zip | |
vim-patch:9.2.1731: Vim9: cannot use += to append to empty NULL list
Problem: Vim9: cannot use += to append to empty NULL list.
Solution: Copy the list instead of extending it. (closes vim/vim#6998)
https://github.com/vim/vim/commit/81ed4960482f8baabdd7f95b4d5e39744be88ae7
Co-authored-by: Bram Moolenaar <Bram@vim.org>
Diffstat (limited to 'src/nvim/eval/executor.c')
| -rw-r--r-- | src/nvim/eval/executor.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/nvim/eval/executor.c b/src/nvim/eval/executor.c index 3255e78d09..4f83eaa173 100644 --- a/src/nvim/eval/executor.c +++ b/src/nvim/eval/executor.c @@ -59,8 +59,13 @@ int eexe_mod_op(typval_T *const tv1, const typval_T *const tv2, const char *cons break; } // List += List - if (tv1->vval.v_list != NULL && tv2->vval.v_list != NULL) { - tv_list_extend(tv1->vval.v_list, tv2->vval.v_list, NULL); + if (tv2->vval.v_list != NULL) { + if (tv1->vval.v_list == NULL) { + tv1->vval.v_list = tv2->vval.v_list; + tv_list_ref(tv1->vval.v_list); + } else { + tv_list_extend(tv1->vval.v_list, tv2->vval.v_list, NULL); + } } return OK; case VAR_NUMBER: |