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先正序的情况修改完成

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建峰 2025-04-30 11:33:54 +08:00
parent d2be5d229f
commit e86657d807
1 changed files with 39 additions and 18 deletions
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57
src/list.c
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@ -206,7 +206,7 @@ static void list_print(struct _list* self)
*/
struct _list* list_slice(struct _list *self, int start, int end, int step)
{
#if 1
#if 0
assert(self != NULL);
int i = 0;
bool unlimited = false;
@ -344,6 +344,7 @@ done:
bool empty = false;
uint32_t capacity = 1;
int i = 0;
bool contain_last_obj = false;
if(step == 0)
{
return NULL;
@ -359,6 +360,7 @@ done:
if(end == LIST_UNLIMITED)
{
end = self->size(self);
contain_last_obj = true;
}
// [start_max, end_min] start < end and limit start_max and end_min
@ -366,7 +368,6 @@ done:
{
empty = true;
}
if(start < 0)
{
if(start < -self->size(self))
@ -380,28 +381,48 @@ done:
{
end += self->size(self);
}
else
{
if(end > self->size(self))
{
end = self->size(self);
contain_last_obj = true;
}
}
if(empty != true)
{
// calc capacity
capacity = end - start;
}
list = list_new2(self->_obj_size, capacity);
if(list == NULL)
{
return NULL;
}
list->compare = self->compare;
list->print_obj = self->print_obj;
if(contain_last_obj != true)
{
for(i = start; i < end; i += step)
{
list->append(list, (char*)self->obj + i * self->_obj_size);
}
}
else
{
for(i = start; i <= end; i += step)
{
list->append(list, (char*)self->obj + i * self->_obj_size);
}
}
}
else
{
}
if(empty != true)
{
// calc capacity
}
list_t list = list_new2(self->_obj_size, capacity);
if(list == NULL)
{
return NULL;
}
list->compare = self->compare;
list->print_obj = self->print_obj;
done:
return list;
#endif
}