components/vim/vim72-patches/7.2.239
changeset 198 172fc01ce997
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197:fd801ec0737c 198:172fc01ce997
       
     1 To: [email protected]
       
     2 Subject: Patch 7.2.239
       
     3 Fcc: outbox
       
     4 From: Bram Moolenaar <[email protected]>
       
     5 Mime-Version: 1.0
       
     6 Content-Type: text/plain; charset=UTF-8
       
     7 Content-Transfer-Encoding: 8bit
       
     8 ------------
       
     9 
       
    10 Patch 7.2.239
       
    11 Problem:    Using :diffpatch twice or when patching fails causes memory
       
    12 	    corruption and/or a crash.  (Bryan Venteicher)
       
    13 Solution:   Detect missing output file.  Avoid using non-existing buffer.
       
    14 Files:	    src/diff.c
       
    15 
       
    16 
       
    17 *** ../vim-7.2.238/src/diff.c	2009-05-14 22:19:19.000000000 +0200
       
    18 --- src/diff.c	2009-07-22 16:06:21.000000000 +0200
       
    19 ***************
       
    20 *** 893,898 ****
       
    21 --- 893,899 ----
       
    22       char_u	*browseFile = NULL;
       
    23       int		browse_flag = cmdmod.browse;
       
    24   #endif
       
    25 +     struct stat st;
       
    26   
       
    27   #ifdef FEAT_BROWSE
       
    28       if (cmdmod.browse)
       
    29 ***************
       
    30 *** 999,1042 ****
       
    31       STRCAT(buf, ".rej");
       
    32       mch_remove(buf);
       
    33   
       
    34 !     if (curbuf->b_fname != NULL)
       
    35       {
       
    36 ! 	newname = vim_strnsave(curbuf->b_fname,
       
    37   					  (int)(STRLEN(curbuf->b_fname) + 4));
       
    38 ! 	if (newname != NULL)
       
    39 ! 	    STRCAT(newname, ".new");
       
    40 !     }
       
    41   
       
    42   #ifdef FEAT_GUI
       
    43 !     need_mouse_correct = TRUE;
       
    44   #endif
       
    45 !     /* don't use a new tab page, each tab page has its own diffs */
       
    46 !     cmdmod.tab = 0;
       
    47 ! 
       
    48 !     if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
       
    49 !     {
       
    50 ! 	/* Pretend it was a ":split fname" command */
       
    51 ! 	eap->cmdidx = CMD_split;
       
    52 ! 	eap->arg = tmp_new;
       
    53 ! 	do_exedit(eap, old_curwin);
       
    54   
       
    55 ! 	if (curwin != old_curwin)		/* split must have worked */
       
    56   	{
       
    57 ! 	    /* Set 'diff', 'scrollbind' on and 'wrap' off. */
       
    58 ! 	    diff_win_options(curwin, TRUE);
       
    59 ! 	    diff_win_options(old_curwin, TRUE);
       
    60   
       
    61 ! 	    if (newname != NULL)
       
    62   	    {
       
    63 ! 		/* do a ":file filename.new" on the patched buffer */
       
    64 ! 		eap->arg = newname;
       
    65 ! 		ex_file(eap);
       
    66   
       
    67   #ifdef FEAT_AUTOCMD
       
    68 ! 		/* Do filetype detection with the new name. */
       
    69 ! 		if (au_has_group((char_u *)"filetypedetect"))
       
    70 ! 		    do_cmdline_cmd((char_u *)":doau filetypedetect BufRead");
       
    71   #endif
       
    72   	    }
       
    73   	}
       
    74       }
       
    75 --- 1000,1050 ----
       
    76       STRCAT(buf, ".rej");
       
    77       mch_remove(buf);
       
    78   
       
    79 !     /* Only continue if the output file was created. */
       
    80 !     if (mch_stat((char *)tmp_new, &st) < 0 || st.st_size == 0)
       
    81 ! 	EMSG(_("E816: Cannot read patch output"));
       
    82 !     else
       
    83       {
       
    84 ! 	if (curbuf->b_fname != NULL)
       
    85 ! 	{
       
    86 ! 	    newname = vim_strnsave(curbuf->b_fname,
       
    87   					  (int)(STRLEN(curbuf->b_fname) + 4));
       
    88 ! 	    if (newname != NULL)
       
    89 ! 		STRCAT(newname, ".new");
       
    90 ! 	}
       
    91   
       
    92   #ifdef FEAT_GUI
       
    93 ! 	need_mouse_correct = TRUE;
       
    94   #endif
       
    95 ! 	/* don't use a new tab page, each tab page has its own diffs */
       
    96 ! 	cmdmod.tab = 0;
       
    97   
       
    98 ! 	if (win_split(0, (diff_flags & DIFF_VERTICAL) ? WSP_VERT : 0) != FAIL)
       
    99   	{
       
   100 ! 	    /* Pretend it was a ":split fname" command */
       
   101 ! 	    eap->cmdidx = CMD_split;
       
   102 ! 	    eap->arg = tmp_new;
       
   103 ! 	    do_exedit(eap, old_curwin);
       
   104   
       
   105 ! 	    /* check that split worked and editing tmp_new */
       
   106 ! 	    if (curwin != old_curwin && win_valid(old_curwin))
       
   107   	    {
       
   108 ! 		/* Set 'diff', 'scrollbind' on and 'wrap' off. */
       
   109 ! 		diff_win_options(curwin, TRUE);
       
   110 ! 		diff_win_options(old_curwin, TRUE);
       
   111 ! 
       
   112 ! 		if (newname != NULL)
       
   113 ! 		{
       
   114 ! 		    /* do a ":file filename.new" on the patched buffer */
       
   115 ! 		    eap->arg = newname;
       
   116 ! 		    ex_file(eap);
       
   117   
       
   118   #ifdef FEAT_AUTOCMD
       
   119 ! 		    /* Do filetype detection with the new name. */
       
   120 ! 		    if (au_has_group((char_u *)"filetypedetect"))
       
   121 ! 			do_cmdline_cmd((char_u *)":doau filetypedetect BufRead");
       
   122   #endif
       
   123 + 		}
       
   124   	    }
       
   125   	}
       
   126       }
       
   127 *** ../vim-7.2.238/src/version.c	2009-07-22 14:27:33.000000000 +0200
       
   128 --- src/version.c	2009-07-22 16:21:29.000000000 +0200
       
   129 ***************
       
   130 *** 678,679 ****
       
   131 --- 678,681 ----
       
   132   {   /* Add new patch number below this line */
       
   133 + /**/
       
   134 +     239,
       
   135   /**/
       
   136 
       
   137 -- 
       
   138 hundred-and-one symptoms of being an internet addict:
       
   139 97. Your mother tells you to remember something, and you look for
       
   140     a File/Save command.
       
   141 
       
   142  /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
       
   143 ///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
       
   144 \\\        download, build and distribute -- http://www.A-A-P.org        ///
       
   145  \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///