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fx: handle nullptr arguments in all iterator functions

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This commit is contained in:
max 🍓
2026-05-31 17:23:53 +01:00
parent 8c0a31e19b
commit fb864a64c9
1 changed files with 28 additions and 6 deletions
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fx/iterator.c
+28 -6
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@@ -25,6 +25,10 @@ static enum fx_status iterator_set_status(
const fx_iterator *fx_iterator_begin(const fx_iterable *it)
{
if (!it) {
return NULL;
}
FX_CLASS_DISPATCH_VIRTUAL_0(
fx_iterable,
FX_TYPE_ITERABLE,
@@ -35,11 +39,19 @@ const fx_iterator *fx_iterator_begin(const fx_iterable *it)
enum fx_status fx_iterator_get_status(const fx_iterator *it)
{
if (!it) {
return FX_ERR_NO_DATA;
}
FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ITERATOR, iterator_get_status, it);
}
enum fx_status fx_iterator_set_status(const fx_iterator *it, fx_status status)
{
if (!it) {
return FX_ERR_NO_DATA;
}
FX_CLASS_DISPATCH_STATIC(
FX_TYPE_ITERATOR,
iterator_set_status,
@@ -49,11 +61,14 @@ enum fx_status fx_iterator_set_status(const fx_iterator *it, fx_status status)
enum fx_status fx_iterator_move_next(const fx_iterator *it)
{
if (!it) {
return FX_ERR_NO_DATA;
}
enum fx_status status = FX_ERR_NOT_SUPPORTED;
fx_iterator_class *iface = fx_object_get_interface(
it,
FX_TYPE_ITERATOR);
fx_iterator_class *iface
= fx_object_get_interface(it, FX_TYPE_ITERATOR);
if (iface && iface->it_move_next) {
status = iface->it_move_next(it);
}
@@ -66,6 +81,10 @@ enum fx_status fx_iterator_move_next(const fx_iterator *it)
const fx_value *fx_iterator_get_value(const fx_iterator *it)
{
if (!it) {
return NULL;
}
FX_CLASS_DISPATCH_VIRTUAL_0(
fx_iterator,
FX_TYPE_ITERATOR,
@@ -76,11 +95,14 @@ const fx_value *fx_iterator_get_value(const fx_iterator *it)
fx_status fx_iterator_erase(fx_iterator *it)
{
if (!it) {
return FX_ERR_NO_DATA;
}
enum fx_status status = FX_ERR_NOT_SUPPORTED;
fx_iterator_class *iface = fx_object_get_interface(
it,
FX_TYPE_ITERATOR);
fx_iterator_class *iface
= fx_object_get_interface(it, FX_TYPE_ITERATOR);
if (iface && iface->it_erase) {
status = iface->it_erase(it);
}