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| author | Sean Dewar <seandewar@users.noreply.github.com> | 2021-07-29 22:54:47 +0100 |
|---|---|---|
| committer | Sean Dewar <seandewar@users.noreply.github.com> | 2021-09-15 22:57:47 +0100 |
| commit | bd9c787b4f3ec6d539246c24499bdf80c85248cf (patch) | |
| tree | 3dd40ef5d120181c2d5169ecc1ed15d3970a4837 /src/nvim/eval.c | |
| parent | 23f5999d28cdee049661ed38e22812a063e78fad (diff) | |
| download | rneovim-bd9c787b4f3ec6d539246c24499bdf80c85248cf.tar.gz rneovim-bd9c787b4f3ec6d539246c24499bdf80c85248cf.tar.bz2 rneovim-bd9c787b4f3ec6d539246c24499bdf80c85248cf.zip | |
vim-patch:8.1.0802: negative index doesn't work for Blob
Problem: Negative index doesn't work for Blob.
Solution: Make it work, add a test. (closes vim/vim#3856)
https://github.com/vim/vim/commit/a5be9b62480a6f338a72c01e57c9edd0bca8048b
Leave tv_blob_get()'s return type untouched.
Diffstat (limited to 'src/nvim/eval.c')
| -rw-r--r-- | src/nvim/eval.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c index b7dc00dc08..b16dfad48b 100644 --- a/src/nvim/eval.c +++ b/src/nvim/eval.c @@ -4647,9 +4647,11 @@ eval_index( tv_blob_set_ret(rettv, blob); } } else { - // The resulting variable is a string of a single - // character. If the index is too big or negative the - // result is empty. + // The resulting variable is a byte value. + // If the index is too big or negative that is an error. + if (n1 < 0) { + n1 = len + n1; + } if (n1 < len && n1 >= 0) { const int v = (int)tv_blob_get(rettv->vval.v_blob, n1); tv_clear(rettv); |