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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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93
src/eval.c
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@@ -12086,15 +12086,17 @@ 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);
/* look up the variable */
/* Let gettabvar({nr}, "") return the "t:" dictionary. */
v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 't', varname, FALSE);
if (v != NULL)
if (switch_win(&oldcurwin, &oldtabpage, tp->tp_firstwin, tp, TRUE)
== OK)
{
copy_tv(&v->di_tv, rettv);
done = TRUE;
/* look up the variable */
/* Let gettabvar({nr}, "") return the "t:" dictionary. */
v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 't', varname, FALSE);
if (v != NULL)
{
copy_tv(&v->di_tv, rettv);
done = TRUE;
}
}
/* restore previous notion of curwin */
@@ -12233,22 +12235,24 @@ 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 (*varname == '&') /* window-local-option */
if (switch_win(&oldcurwin, &oldtabpage, win, tp, TRUE) == OK)
{
if (get_option_tv(&varname, rettv, 1) == OK)
done = TRUE;
}
else
{
/* Look up the variable. */
/* Let getwinvar({nr}, "") return the "w:" dictionary. */
v = find_var_in_ht(&win->w_vars->dv_hashtab, 'w', varname, FALSE);
if (v != NULL)
if (*varname == '&') /* window-local-option */
{
copy_tv(&v->di_tv, rettv);
done = TRUE;
if (get_option_tv(&varname, rettv, 1) == OK)
done = TRUE;
}
else
{
/* Look up the variable. */
/* Let getwinvar({nr}, "") return the "w:" dictionary. */
v = find_var_in_ht(&win->w_vars->dv_hashtab, 'w',
varname, FALSE);
if (v != NULL)
{
copy_tv(&v->di_tv, rettv);
done = TRUE;
}
}
}
@@ -17252,34 +17256,33 @@ 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;
char_u *strval;
int error = FALSE;
++varname;
numval = get_tv_number_chk(varp, &error);
strval = get_tv_string_buf_chk(varp, nbuf);
if (!error && strval != NULL)
set_option_value(varname, numval, strval, OPT_LOCAL);
}
else
{
winvarname = alloc((unsigned)STRLEN(varname) + 3);
if (winvarname != NULL)
if (*varname == '&')
{
STRCPY(winvarname, "w:");
STRCPY(winvarname + 2, varname);
set_var(winvarname, varp, TRUE);
vim_free(winvarname);
long numval;
char_u *strval;
int error = FALSE;
++varname;
numval = get_tv_number_chk(varp, &error);
strval = get_tv_string_buf_chk(varp, nbuf);
if (!error && strval != NULL)
set_option_value(varname, numval, strval, OPT_LOCAL);
}
else
{
winvarname = alloc((unsigned)STRLEN(varname) + 3);
if (winvarname != NULL)
{
STRCPY(winvarname, "w:");
STRCPY(winvarname + 2, varname);
set_var(winvarname, varp, TRUE);
vim_free(winvarname);
}
}
}
#ifdef FEAT_WINDOWS
restore_win(save_curwin, save_curtab, TRUE);
#endif