diff options
| author | Bram Moolenaar <Bram@vim.org> | 2017-12-18 12:37:55 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2017-12-18 12:37:55 +0100 |
| commit | 9bca805ec49eb0d2d0d0b2093f418ff425500169 (patch) | |
| tree | 107e825bc35cfd39d760427047196805804559fb /src/buffer.c | |
| parent | cb89c98c264b0fe9fd26e3501eab5a062e57c064 (diff) | |
patch 8.0.1402: crash with nasty autocommandv8.0.1402
Problem: Crash with nasty autocommand. (gy741, Dominique Pelle)
Solution: Check that the new current buffer isn't wiped out. (closes #2447)
Diffstat (limited to 'src/buffer.c')
| -rw-r--r-- | src/buffer.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/src/buffer.c b/src/buffer.c index ed5773e882..eeba530125 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -1665,7 +1665,8 @@ set_curbuf(buf_T *buf, int action) #ifdef FEAT_SYN_HL long old_tw = curbuf->b_p_tw; #endif - bufref_T bufref; + bufref_T newbufref; + bufref_T prevbufref; setpcmark(); if (!cmdmod.keepalt) @@ -1675,18 +1676,22 @@ set_curbuf(buf_T *buf, int action) /* Don't restart Select mode after switching to another buffer. */ VIsual_reselect = FALSE; - /* close_windows() or apply_autocmds() may change curbuf */ + /* close_windows() or apply_autocmds() may change curbuf and wipe out "buf" + */ prevbuf = curbuf; - set_bufref(&bufref, prevbuf); + set_bufref(&prevbufref, prevbuf); + set_bufref(&newbufref, buf); #ifdef FEAT_AUTOCMD + /* Autocommands may delete the curren buffer and/or the buffer we wan to go + * to. In those cases don't close the buffer. */ if (!apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf) + || (bufref_valid(&prevbufref) + && bufref_valid(&newbufref) # ifdef FEAT_EVAL - || (bufref_valid(&bufref) && !aborting()) -# else - || bufref_valid(&bufref) + && !aborting() # endif - ) + )) #endif { #ifdef FEAT_SYN_HL @@ -1696,9 +1701,9 @@ set_curbuf(buf_T *buf, int action) if (unload) close_windows(prevbuf, FALSE); #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) - if (bufref_valid(&bufref) && !aborting()) + if (bufref_valid(&prevbufref) && !aborting()) #else - if (bufref_valid(&bufref)) + if (bufref_valid(&prevbufref)) #endif { win_T *previouswin = curwin; |