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updated for version 7.4.446

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Problem:    In some situations, when setting up an environment to trigger an
            autocommand, the environment is not properly restored.
Solution:   Check the return value of switch_win() and call restore_win()
            always.  (Daniel Hahler)
This commit is contained in:
Bram Moolenaar
2014-09-19 14:26:36 +02:00
parent 714db3bb81
commit 5d2bae8b1c
4 changed files with 55 additions and 54 deletions
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21
src/eval.c
View File

@@ -12086,8 +12086,9 @@ f_gettabvar(argvars, rettv)
{
/* Set tp to be our tabpage, temporarily. Also set the window to the
* first window in the tabpage, otherwise the window is not valid. */
switch_win(&oldcurwin, &oldtabpage, tp->tp_firstwin, tp, TRUE);
if (switch_win(&oldcurwin, &oldtabpage, tp->tp_firstwin, tp, TRUE)
== OK)
{
/* look up the variable */
/* Let gettabvar({nr}, "") return the "t:" dictionary. */
v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 't', varname, FALSE);
@@ -12096,6 +12097,7 @@ f_gettabvar(argvars, rettv)
copy_tv(&v->di_tv, rettv);
done = TRUE;
}
}
/* restore previous notion of curwin */
restore_win(oldcurwin, oldtabpage, TRUE);
@@ -12233,8 +12235,8 @@ getwinvar(argvars, rettv, off)
{
/* Set curwin to be our win, temporarily. Also set the tabpage,
* otherwise the window is not valid. */
switch_win(&oldcurwin, &oldtabpage, win, tp, TRUE);
if (switch_win(&oldcurwin, &oldtabpage, win, tp, TRUE) == OK)
{
if (*varname == '&') /* window-local-option */
{
if (get_option_tv(&varname, rettv, 1) == OK)
@@ -12244,13 +12246,15 @@ getwinvar(argvars, rettv, off)
{
/* Look up the variable. */
/* Let getwinvar({nr}, "") return the "w:" dictionary. */
v = find_var_in_ht(&win->w_vars->dv_hashtab, 'w', varname, FALSE);
v = find_var_in_ht(&win->w_vars->dv_hashtab, 'w',
varname, FALSE);
if (v != NULL)
{
copy_tv(&v->di_tv, rettv);
done = TRUE;
}
}
}
/* restore previous notion of curwin */
restore_win(oldcurwin, oldtabpage, TRUE);
@@ -17252,10 +17256,9 @@ setwinvar(argvars, rettv, off)
if (win != NULL && varname != NULL && varp != NULL)
{
#ifdef FEAT_WINDOWS
if (switch_win(&save_curwin, &save_curtab, win, tp, TRUE) == FAIL)
return;
if (switch_win(&save_curwin, &save_curtab, win, tp, TRUE) == OK)
#endif
{
if (*varname == '&')
{
long numval;
@@ -17279,7 +17282,7 @@ setwinvar(argvars, rettv, off)
vim_free(winvarname);
}
}
}
#ifdef FEAT_WINDOWS
restore_win(save_curwin, save_curtab, TRUE);
#endif

3
src/misc2.c
View File

@@ -1040,7 +1040,8 @@ free_all_mem()
entered = TRUE;
# ifdef FEAT_AUTOCMD
block_autocmds(); /* don't want to trigger autocommands here */
/* Don't want to trigger autocommands from here on. */
block_autocmds();
# endif
# ifdef FEAT_WINDOWS

2
src/version.c
View File

@@ -741,6 +741,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
446,
/**/
445,
/**/

11
src/window.c
View File

@@ -1271,7 +1271,7 @@ win_init(newp, oldp, flags)
}
/*
* Initialize window "newp" from window"old".
* Initialize window "newp" from window "old".
* Only the essential things are copied.
*/
static void
@@ -6662,8 +6662,8 @@ restore_snapshot_rec(sn, fr)
|| defined(PROTO)
/*
* Set "win" to be the curwin and "tp" to be the current tab page.
* restore_win() MUST be called to undo.
* No autocommands will be executed.
* restore_win() MUST be called to undo, also when FAIL is returned.
* No autocommands will be executed until restore_win() is called.
* When "no_display" is TRUE the display won't be affected, no redraw is
* triggered, another tabpage access is limited.
* Returns FAIL if switching to "win" failed.
@@ -6696,12 +6696,7 @@ switch_win(save_curwin, save_curtab, win, tp, no_display)
goto_tabpage_tp(tp, FALSE, FALSE);
}
if (!win_valid(win))
{
# ifdef FEAT_AUTOCMD
unblock_autocmds();
# endif
return FAIL;
}
curwin = win;
curbuf = curwin->w_buffer;
# endif