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comparison src/spell.c @ 30558:8e73ecbee60d v9.0.0614

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patch 9.0.0614: SpellFileMissing autocmd may delete buffer Commit: https://github.com/vim/vim/commit/ef976323e770315b5fca544efb6b2faa25674d15 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 28 11:48:30 2022 +0100 patch 9.0.0614: SpellFileMissing autocmd may delete buffer Problem: SpellFileMissing autocmd may delete buffer. Solution: Disallow deleting the current buffer to avoid using freed memory.
author Bram Moolenaar <Bram@vim.org>
date Wed, 28 Sep 2022 13:00:04 +0200
parents 087c42245022
children c7983f593fa7
comparison
equal deleted inserted replaced
30557:cb23c106452e 30558:8e73ecbee60d
1566 // It's truncated when an error is detected. 1566 // It's truncated when an error is detected.
1567 STRCPY(sl.sl_lang, lang); 1567 STRCPY(sl.sl_lang, lang);
1568 sl.sl_slang = NULL; 1568 sl.sl_slang = NULL;
1569 sl.sl_nobreak = FALSE; 1569 sl.sl_nobreak = FALSE;
1570 1570
1571 // Disallow deleting the current buffer. Autocommands can do weird things
1572 // and cause "lang" to be freed.
1573 ++curbuf->b_locked;
1574
1571 // We may retry when no spell file is found for the language, an 1575 // We may retry when no spell file is found for the language, an
1572 // autocommand may load it then. 1576 // autocommand may load it then.
1573 for (round = 1; round <= 2; ++round) 1577 for (round = 1; round <= 2; ++round)
1574 { 1578 {
1575 /* 1579 /*
1619 { 1623 {
1620 // At least one file was loaded, now load ALL the additions. 1624 // At least one file was loaded, now load ALL the additions.
1621 STRCPY(fname_enc + STRLEN(fname_enc) - 3, "add.spl"); 1625 STRCPY(fname_enc + STRLEN(fname_enc) - 3, "add.spl");
1622 do_in_runtimepath(fname_enc, DIP_ALL, spell_load_cb, &sl); 1626 do_in_runtimepath(fname_enc, DIP_ALL, spell_load_cb, &sl);
1623 } 1627 }
1628
1629 --curbuf->b_locked;
1624 } 1630 }
1625 1631
1626 /* 1632 /*
1627 * Return the encoding used for spell checking: Use 'encoding', except that we 1633 * Return the encoding used for spell checking: Use 'encoding', except that we
1628 * use "latin1" for "latin9". And limit to 60 characters (just in case). 1634 * use "latin1" for "latin9". And limit to 60 characters (just in case).