To: vim-dev@vim.org
Subject: Patch 7.2.259
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.2.259
Problem:    exists() doesn't work properly for an empty aucmd group.
Solution:   Change how au_exists() handles a missing pattern.  Also add a
	    test for this. (Bob Hiestand)
Files:	    src/fileio.c, src/testdir/Makefile, src/testdir/test67.in,
	    src/testdir/test67.ok


*** ../vim-7.2.258/src/fileio.c	2009-09-11 15:04:13.000000000 +0200
--- src/fileio.c	2009-09-11 16:37:08.000000000 +0200
***************
*** 9498,9512 ****
      ap = first_autopat[(int)event];
      if (ap == NULL)
  	goto theend;
-     if (pattern == NULL)
-     {
- 	retval = TRUE;
- 	goto theend;
-     }
  
      /* if pattern is "<buffer>", special handling is needed which uses curbuf */
      /* for pattern "<buffer=N>, fnamecmp() will work fine */
!     if (STRICMP(pattern, "<buffer>") == 0)
  	buflocal_buf = curbuf;
  
      /* Check if there is an autocommand with the given pattern. */
--- 9498,9507 ----
      ap = first_autopat[(int)event];
      if (ap == NULL)
  	goto theend;
  
      /* if pattern is "<buffer>", special handling is needed which uses curbuf */
      /* for pattern "<buffer=N>, fnamecmp() will work fine */
!     if (pattern != NULL && STRICMP(pattern, "<buffer>") == 0)
  	buflocal_buf = curbuf;
  
      /* Check if there is an autocommand with the given pattern. */
***************
*** 9515,9523 ****
  	/* For buffer-local autocommands, fnamecmp() works fine. */
  	if (ap->pat != NULL && ap->cmds != NULL
  	    && (group == AUGROUP_ALL || ap->group == group)
! 	    && (buflocal_buf == NULL
! 		 ? fnamecmp(ap->pat, pattern) == 0
! 		 : ap->buflocal_nr == buflocal_buf->b_fnum))
  	{
  	    retval = TRUE;
  	    break;
--- 9510,9519 ----
  	/* For buffer-local autocommands, fnamecmp() works fine. */
  	if (ap->pat != NULL && ap->cmds != NULL
  	    && (group == AUGROUP_ALL || ap->group == group)
! 	    && (pattern == NULL
! 		|| (buflocal_buf == NULL
! 		    ? fnamecmp(ap->pat, pattern) == 0
! 		    : ap->buflocal_nr == buflocal_buf->b_fnum)))
  	{
  	    retval = TRUE;
  	    break;
*** ../vim-7.2.258/src/testdir/Makefile	2009-06-24 18:07:55.000000000 +0200
--- src/testdir/Makefile	2009-09-11 16:31:33.000000000 +0200
***************
*** 22,28 ****
  		test48.out test49.out test51.out test52.out test53.out \
  		test54.out test55.out test56.out test57.out test58.out \
  		test59.out test60.out test61.out test62.out test63.out \
! 		test64.out test65.out test66.out
  
  SCRIPTS_GUI = test16.out
  
--- 22,28 ----
  		test48.out test49.out test51.out test52.out test53.out \
  		test54.out test55.out test56.out test57.out test58.out \
  		test59.out test60.out test61.out test62.out test63.out \
! 		test64.out test65.out test66.out test67.out
  
  SCRIPTS_GUI = test16.out
  
*** ../vim-7.2.258/src/testdir/test67.in	2009-09-11 17:23:47.000000000 +0200
--- src/testdir/test67.in	2009-09-11 16:43:11.000000000 +0200
***************
*** 0 ****
--- 1,33 ----
+ Test that groups and patterns are tested correctly when calling exists() for
+ autocommands.
+ 
+ STARTTEST
+ :so small.vim
+ :let results=[]
+ :augroup auexists
+ :augroup END
+ :call add(results, "##BufEnter: " . exists("##BufEnter"))
+ :call add(results, "#BufEnter: " . exists("#BufEnter"))
+ :au BufEnter * let g:entered=1
+ :call add(results, "#BufEnter: " . exists("#BufEnter"))
+ :call add(results, "#auexists#BufEnter: " . exists("#auexists#BufEnter"))
+ :augroup auexists
+ :au BufEnter * let g:entered=1
+ :augroup END
+ :call add(results, "#auexists#BufEnter: " . exists("#auexists#BufEnter"))
+ :call add(results, "#BufEnter#*.test: " . exists("#BufEnter#*.test"))
+ :au BufEnter *.test let g:entered=1
+ :call add(results, "#BufEnter#*.test: " . exists("#BufEnter#*.test"))
+ :edit testfile.test
+ :call add(results, "#BufEnter#<buffer>: " . exists("#BufEnter#<buffer>"))
+ :au BufEnter <buffer> let g:entered=1
+ :call add(results, "#BufEnter#<buffer>: " . exists("#BufEnter#<buffer>"))
+ :edit testfile2.test
+ :call add(results, "#BufEnter#<buffer>: " . exists("#BufEnter#<buffer>"))
+ :e test.out
+ :call append(0, results)
+ :$d
+ :w
+ :qa!
+ ENDTEST
+ 
*** ../vim-7.2.258/src/testdir/test67.ok	2009-09-11 17:23:47.000000000 +0200
--- src/testdir/test67.ok	2009-09-11 16:43:15.000000000 +0200
***************
*** 0 ****
--- 1,10 ----
+ ##BufEnter: 1
+ #BufEnter: 0
+ #BufEnter: 1
+ #auexists#BufEnter: 0
+ #auexists#BufEnter: 1
+ #BufEnter#*.test: 0
+ #BufEnter#*.test: 1
+ #BufEnter#<buffer>: 0
+ #BufEnter#<buffer>: 1
+ #BufEnter#<buffer>: 0
*** ../vim-7.2.258/src/version.c	2009-09-11 16:48:06.000000000 +0200
--- src/version.c	2009-09-11 17:23:14.000000000 +0200
***************
*** 678,679 ****
--- 678,681 ----
  {   /* Add new patch number below this line */
+ /**/
+     259,
  /**/

-- 
hundred-and-one symptoms of being an internet addict:
234. You started college as a chemistry major, and walk out four years
     later as an Internet provider.

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