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patch 8.2.0473: variables declared in an outer scope

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Problem:    Variables declared in an outer scope.
Solution:   Decleare variables only in the scope where they are used.
This commit is contained in:
Bram Moolenaar
2020-03-29 15:12:15 +02:00
parent 360bdbda81
commit 8601545338
2 changed files with 13 additions and 12 deletions
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23
src/evalvars.c
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@@ -3461,7 +3461,6 @@ f_getwinvar(typval_T *argvars, typval_T *rettv)
f_getbufvar(typval_T *argvars, typval_T *rettv)
{
buf_T *buf;
buf_T *save_curbuf;
char_u *varname;
dictitem_T *v;
int done = FALSE;
@@ -3476,12 +3475,13 @@ f_getbufvar(typval_T *argvars, typval_T *rettv)
if (buf != NULL && varname != NULL)
{
// set curbuf to be our buf, temporarily
save_curbuf = curbuf;
curbuf = buf;
if (*varname == '&')
{
buf_T *save_curbuf = curbuf;
// set curbuf to be our buf, temporarily
curbuf = buf;
if (varname[1] == NUL)
{
// get all buffer-local options in a dict
@@ -3496,22 +3496,21 @@ f_getbufvar(typval_T *argvars, typval_T *rettv)
else if (get_option_tv(&varname, rettv, TRUE) == OK)
// buffer-local-option
done = TRUE;
// restore previous notion of curbuf
curbuf = save_curbuf;
}
else
{
// Look up the variable.
// Let getbufvar({nr}, "") return the "b:" dictionary.
v = find_var_in_ht(&curbuf->b_vars->dv_hashtab,
'b', varname, FALSE);
v = find_var_in_ht(&buf->b_vars->dv_hashtab, 'b', varname, FALSE);
if (v != NULL)
{
copy_tv(&v->di_tv, rettv);
done = TRUE;
}
}
// restore previous notion of curbuf
curbuf = save_curbuf;
}
if (!done && argvars[2].v_type != VAR_UNKNOWN)
@@ -3618,11 +3617,11 @@ f_setbufvar(typval_T *argvars, typval_T *rettv UNUSED)
}
else
{
buf_T *save_curbuf = curbuf;
bufvarname = alloc(STRLEN(varname) + 3);
if (bufvarname != NULL)
{
buf_T *save_curbuf = curbuf;
curbuf = buf;
STRCPY(bufvarname, "b:");
STRCPY(bufvarname + 2, varname);