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- To: vim-dev@vim.org
- Subject: Patch 7.2.239
- Fcc: outbox
- From: Bram Moolenaar <Bram@moolenaar.net>
- Mime-Version: 1.0
- Content-Type: text/plain; charset=UTF-8
- Content-Transfer-Encoding: 8bit
- ------------
-
- Patch 7.2.239
- Problem: Using :diffpatch twice or when patching fails causes memory
- corruption and/or a crash. (Bryan Venteicher)
- Solution: Detect missing output file. Avoid using non-existing buffer.
- Files: src/diff.c
-
-
- *** ../vim-7.2.238/src/diff.c 2009-05-14 22:19:19.000000000 +0200
- --- src/diff.c 2009-07-22 16:06:21.000000000 +0200
- ***************
- *** 893,898 ****
- --- 893,899 ----
- char_u *browseFile = NULL;
- int browse_flag = cmdmod.browse;
- #endif
- + struct stat st;
-
- #ifdef FEAT_BROWSE
- if (cmdmod.browse)
- ***************
- *** 999,1042 ****
- STRCAT(buf, ".rej");
- mch_remove(buf);
-
- ! if (curbuf->b_fname != NULL)
- {
- ! newname = vim_strnsave(curbuf->b_fname,
- (int)(STRLEN(curbuf->b_fname) + 4));
- ! if (newname != NULL)
- ! STRCAT(newname, ".new");
- ! }
-
- #ifdef FEAT_GUI
- ! need_mouse_correct = TRUE;
- #endif
- ! /* don't use a new tab page, each tab page has its own diffs */
- ! cmdmod.tab = 0;
- !
- ! if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
- ! {
- ! /* Pretend it was a ":split fname" command */
- ! eap->cmdidx = CMD_split;
- ! eap->arg = tmp_new;
- ! do_exedit(eap, old_curwin);
-
- ! if (curwin != old_curwin) /* split must have worked */
- {
- ! /* Set 'diff', 'scrollbind' on and 'wrap' off. */
- ! diff_win_options(curwin, TRUE);
- ! diff_win_options(old_curwin, TRUE);
-
- ! if (newname != NULL)
- {
- ! /* do a ":file filename.new" on the patched buffer */
- ! eap->arg = newname;
- ! ex_file(eap);
-
- #ifdef FEAT_AUTOCMD
- ! /* Do filetype detection with the new name. */
- ! if (au_has_group((char_u *)"filetypedetect"))
- ! do_cmdline_cmd((char_u *)":doau filetypedetect BufRead");
- #endif
- }
- }
- }
- --- 1000,1050 ----
- STRCAT(buf, ".rej");
- mch_remove(buf);
-
- ! /* Only continue if the output file was created. */
- ! if (mch_stat((char *)tmp_new, &st) < 0 || st.st_size == 0)
- ! EMSG(_("E816: Cannot read patch output"));
- ! else
- {
- ! if (curbuf->b_fname != NULL)
- ! {
- ! newname = vim_strnsave(curbuf->b_fname,
- (int)(STRLEN(curbuf->b_fname) + 4));
- ! if (newname != NULL)
- ! STRCAT(newname, ".new");
- ! }
-
- #ifdef FEAT_GUI
- ! need_mouse_correct = TRUE;
- #endif
- ! /* don't use a new tab page, each tab page has its own diffs */
- ! cmdmod.tab = 0;
-
- ! if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
- {
- ! /* Pretend it was a ":split fname" command */
- ! eap->cmdidx = CMD_split;
- ! eap->arg = tmp_new;
- ! do_exedit(eap, old_curwin);
-
- ! /* check that split worked and editing tmp_new */
- ! if (curwin != old_curwin && win_valid(old_curwin))
- {
- ! /* Set 'diff', 'scrollbind' on and 'wrap' off. */
- ! diff_win_options(curwin, TRUE);
- ! diff_win_options(old_curwin, TRUE);
- !
- ! if (newname != NULL)
- ! {
- ! /* do a ":file filename.new" on the patched buffer */
- ! eap->arg = newname;
- ! ex_file(eap);
-
- #ifdef FEAT_AUTOCMD
- ! /* Do filetype detection with the new name. */
- ! if (au_has_group((char_u *)"filetypedetect"))
- ! do_cmdline_cmd((char_u *)":doau filetypedetect BufRead");
- #endif
- + }
- }
- }
- }
- *** ../vim-7.2.238/src/version.c 2009-07-22 14:27:33.000000000 +0200
- --- src/version.c 2009-07-22 16:21:29.000000000 +0200
- ***************
- *** 678,679 ****
- --- 678,681 ----
- { /* Add new patch number below this line */
- + /**/
- + 239,
- /**/
-
- --
- hundred-and-one symptoms of being an internet addict:
- 97. Your mother tells you to remember something, and you look for
- a File/Save command.
-
- /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
- /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
- \\\ download, build and distribute -- http://www.A-A-P.org ///
- \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
-