patch 7.4.2141
Problem: Coverity reports bogus NULL check.
Solution: When checking for a variable in the funccal scope don't pass the
varname.
diff --git a/src/userfunc.c b/src/userfunc.c
index b742046..65cc590 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -3571,11 +3571,12 @@
* Search hashitem in parent scope.
*/
hashitem_T *
-find_hi_in_scoped_ht(char_u *name, char_u **varname, hashtab_T **pht)
+find_hi_in_scoped_ht(char_u *name, hashtab_T **pht)
{
funccall_T *old_current_funccal = current_funccal;
hashtab_T *ht;
hashitem_T *hi = NULL;
+ char_u *varname;
if (current_funccal == NULL || current_funccal->func->uf_scoped == NULL)
return NULL;
@@ -3584,10 +3585,10 @@
current_funccal = current_funccal->func->uf_scoped;
while (current_funccal != NULL)
{
- ht = find_var_ht(name, varname);
- if (ht != NULL && **varname != NUL)
+ ht = find_var_ht(name, &varname);
+ if (ht != NULL && *varname != NUL)
{
- hi = hash_find(ht, *varname);
+ hi = hash_find(ht, varname);
if (!HASHITEM_EMPTY(hi))
{
*pht = ht;
@@ -3607,11 +3608,12 @@
* Search variable in parent scope.
*/
dictitem_T *
-find_var_in_scoped_ht(char_u *name, char_u **varname, int no_autoload)
+find_var_in_scoped_ht(char_u *name, int no_autoload)
{
dictitem_T *v = NULL;
funccall_T *old_current_funccal = current_funccal;
hashtab_T *ht;
+ char_u *varname;
if (current_funccal == NULL || current_funccal->func->uf_scoped == NULL)
return NULL;
@@ -3620,11 +3622,10 @@
current_funccal = current_funccal->func->uf_scoped;
while (current_funccal)
{
- ht = find_var_ht(name, varname ? &(*varname) : NULL);
- if (ht != NULL)
+ ht = find_var_ht(name, &varname);
+ if (ht != NULL && *varname != NUL)
{
- v = find_var_in_ht(ht, *name,
- varname ? *varname : NULL, no_autoload);
+ v = find_var_in_ht(ht, *name, varname, no_autoload);
if (v != NULL)
break;
}