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| author | Michael Lingelbach <m.j.lbach@gmail.com> | 2021-06-11 04:09:56 -0400 |
|---|---|---|
| committer | Michael Lingelbach <m.j.lbach@gmail.com> | 2021-06-11 04:10:01 -0400 |
| commit | cd3233c289d4204ebb0148fe49d02ef5f69c5e37 (patch) | |
| tree | 3cf5db6e34fe1e7d820b08bd833cc96e1b8343ef /src/nvim/lua/vim.lua | |
| parent | 1df8a34a7b91028413d6ac751b9dbf9fdcd6cda2 (diff) | |
| download | rneovim-cd3233c289d4204ebb0148fe49d02ef5f69c5e37.tar.gz rneovim-cd3233c289d4204ebb0148fe49d02ef5f69c5e37.tar.bz2 rneovim-cd3233c289d4204ebb0148fe49d02ef5f69c5e37.zip | |
fix(lua): ensure vim.region truncates to buf range
If vim.region receives a large range outside of the current buffer
bounds, it will not check the range ahead of time and loop until neovim
exhausts the system memory.
Fixes #14743
Diffstat (limited to 'src/nvim/lua/vim.lua')
| -rw-r--r-- | src/nvim/lua/vim.lua | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/nvim/lua/vim.lua b/src/nvim/lua/vim.lua index 5c9c5103a7..8cecaa51dd 100644 --- a/src/nvim/lua/vim.lua +++ b/src/nvim/lua/vim.lua @@ -349,6 +349,11 @@ function vim.region(bufnr, pos1, pos2, regtype, inclusive) vim.fn.bufload(bufnr) end + -- check that region falls within current buffer + local buf_line_count = vim.api.nvim_buf_line_count(bufnr) + pos1[1] = math.min(pos1[1], buf_line_count - 1) + pos2[1] = math.min(pos2[1], buf_line_count - 1) + -- in case of block selection, columns need to be adjusted for non-ASCII characters -- TODO: handle double-width characters local bufline |