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- To: vim_dev@googlegroups.com
- Subject: Patch 7.4.320
- Fcc: outbox
- From: Bram Moolenaar <Bram@moolenaar.net>
- Mime-Version: 1.0
- Content-Type: text/plain; charset=UTF-8
- Content-Transfer-Encoding: 8bit
- ------------
-
- Patch 7.4.320
- Problem: Possible crash when an BufLeave autocommand deletes the buffer.
- Solution: Check for the window pointer being valid. Postpone freeing the
- window until autocommands are done. (Yasuhiro Matsumoto)
- Files: src/buffer.c, src/fileio.c, src/globals.h, src/window.c
-
-
- *** ../vim-7.4.319/src/buffer.c 2014-05-07 16:35:05.029152844 +0200
- --- src/buffer.c 2014-06-12 13:47:17.799737639 +0200
- ***************
- *** 371,377 ****
- unload_buf = TRUE;
- #endif
-
- ! if (win != NULL)
- {
- /* Set b_last_cursor when closing the last window for the buffer.
- * Remember the last cursor position and window options of the buffer.
- --- 371,381 ----
- unload_buf = TRUE;
- #endif
-
- ! if (win != NULL
- ! #ifdef FEAT_WINDOWS
- ! && win_valid(win) /* in case autocommands closed the window */
- ! #endif
- ! )
- {
- /* Set b_last_cursor when closing the last window for the buffer.
- * Remember the last cursor position and window options of the buffer.
- *** ../vim-7.4.319/src/fileio.c 2014-05-02 15:46:10.731268318 +0200
- --- src/fileio.c 2014-06-12 13:53:33.207751842 +0200
- ***************
- *** 9549,9555 ****
-
- /*
- * When stopping to execute autocommands, restore the search patterns and
- ! * the redo buffer. Free buffers in the au_pending_free_buf list.
- */
- if (!autocmd_busy)
- {
- --- 9549,9556 ----
-
- /*
- * When stopping to execute autocommands, restore the search patterns and
- ! * the redo buffer. Free any buffers in the au_pending_free_buf list and
- ! * free any windows in the au_pending_free_win list.
- */
- if (!autocmd_busy)
- {
- ***************
- *** 9562,9567 ****
- --- 9563,9574 ----
- vim_free(au_pending_free_buf);
- au_pending_free_buf = b;
- }
- + while (au_pending_free_win != NULL)
- + {
- + win_T *w = au_pending_free_win->w_next;
- + vim_free(au_pending_free_win);
- + au_pending_free_win = w;
- + }
- }
-
- /*
- *** ../vim-7.4.319/src/globals.h 2014-05-28 18:22:37.876225054 +0200
- --- src/globals.h 2014-06-12 13:54:29.163753959 +0200
- ***************
- *** 387,396 ****
- * which one is preferred, au_new_curbuf is set to it */
- EXTERN buf_T *au_new_curbuf INIT(= NULL);
-
- ! /* When deleting the buffer and autocmd_busy is TRUE, do not free the buffer
- ! * but link it in the list starting with au_pending_free_buf, using b_next.
- ! * Free the buffer when autocmd_busy is set to FALSE. */
- EXTERN buf_T *au_pending_free_buf INIT(= NULL);
- #endif
-
- #ifdef FEAT_MOUSE
- --- 387,398 ----
- * which one is preferred, au_new_curbuf is set to it */
- EXTERN buf_T *au_new_curbuf INIT(= NULL);
-
- ! /* When deleting a buffer/window and autocmd_busy is TRUE, do not free the
- ! * buffer/window. but link it in the list starting with
- ! * au_pending_free_buf/ap_pending_free_win, using b_next/w_next.
- ! * Free the buffer/window when autocmd_busy is being set to FALSE. */
- EXTERN buf_T *au_pending_free_buf INIT(= NULL);
- + EXTERN win_T *au_pending_free_win INIT(= NULL);
- #endif
-
- #ifdef FEAT_MOUSE
- *** ../vim-7.4.319/src/window.c 2014-06-12 11:49:42.219470717 +0200
- --- src/window.c 2014-06-12 13:51:54.939748124 +0200
- ***************
- *** 4597,4603 ****
- if (wp != aucmd_win)
- #endif
- win_remove(wp, tp);
- ! vim_free(wp);
-
- #ifdef FEAT_AUTOCMD
- unblock_autocmds();
- --- 4597,4609 ----
- if (wp != aucmd_win)
- #endif
- win_remove(wp, tp);
- ! if (autocmd_busy)
- ! {
- ! wp->w_next = au_pending_free_win;
- ! au_pending_free_win = wp;
- ! }
- ! else
- ! vim_free(wp);
-
- #ifdef FEAT_AUTOCMD
- unblock_autocmds();
- *** ../vim-7.4.319/src/version.c 2014-06-12 13:28:26.771694851 +0200
- --- src/version.c 2014-06-12 13:40:23.507721966 +0200
- ***************
- *** 736,737 ****
- --- 736,739 ----
- { /* Add new patch number below this line */
- + /**/
- + 320,
- /**/
-
- --
- Life would be so much easier if we could just look at the source code.
-
- /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
- /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
- \\\ an exciting new programming language -- http://www.Zimbu.org ///
- \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
-