Mercurial > vim
diff src/tag.c @ 30106:0e9b58353412 v9.0.0389
patch 9.0.0389: crash when 'tagfunc' closes the window
Commit: https://github.com/vim/vim/commit/ccfde4d028e891a41e3548323c3d47b06fb0b83e
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Sep 5 19:51:13 2022 +0100
patch 9.0.0389: crash when 'tagfunc' closes the window
Problem: Crash when 'tagfunc' closes the window.
Solution: Bail out when the window was closed.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 05 Sep 2022 21:00:03 +0200 |
| parents | f4a7831fa352 |
| children | 360f286b5869 |
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--- a/src/tag.c +++ b/src/tag.c @@ -690,6 +690,16 @@ do_tag( max_num_matches = MAXCOL; // If less than max_num_matches // found: all matches found. + // A tag function may do anything, which may cause various + // information to become invalid. At least check for the tagstack + // to still be the same. + if (tagstack != curwin->w_tagstack) + { + emsg(_(e_window_unexpectedly_close_while_searching_for_tags)); + FreeWild(new_num_matches, new_matches); + break; + } + // If there already were some matches for the same name, move them // to the start. Avoids that the order changes when using // ":tnext" and jumping to another file.