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exec_list: Add a function to give the length of a list.

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v2 [mattst88]: Remove trailing whitespace. Rename get_size to length.
               Mark as const.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> [v1]
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Connor Abbott <connor.abbott@intel.com>
This commit is contained in:
Connor Abbott 2014-07-08 12:20:59 -07:00 • committed by Matt Turner
parent 28c4fd4bc6
commit 7b0f69225a
1 changed files with 20 additions and 0 deletions
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20
src/glsl/list.h
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@ -325,6 +325,8 @@ struct exec_list {
const exec_node *get_tail() const;
exec_node *get_tail();
unsigned length() const;
void push_head(exec_node *n);
void push_tail(exec_node *n);
void push_degenerate_list_at_head(exec_node *n);
@ -405,6 +407,19 @@ exec_list_get_tail(struct exec_list *list)
return !exec_list_is_empty(list) ? list->tail_pred : NULL;
}
static inline unsigned
exec_list_length(const struct exec_list *list)
{
unsigned size = 0;
for (struct exec_node *node = list->head; node->next != NULL;
node = node->next) {
size++;
}
return size;
}
static inline void
exec_list_push_head(struct exec_list *list, struct exec_node *n)
{
@ -537,6 +552,11 @@ inline exec_node *exec_list::get_tail()
return exec_list_get_tail(this);
}
inline unsigned exec_list::length() const
{
return exec_list_length(this);
}
inline void exec_list::push_head(exec_node *n)
{
exec_list_push_head(this, n);