mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-24 08:02:21 +00:00
30 lines
647 B
C
30 lines
647 B
C
#ifndef UTIL_SET_H
|
|
#define UTIL_SET_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <sys/types.h>
|
|
|
|
/**
|
|
* Add target to values.
|
|
*
|
|
* Target is added to the end of the set.
|
|
*
|
|
* Returns the index of target, or -1 if the set is full or target already
|
|
* exists.
|
|
*/
|
|
ssize_t set_add(uint32_t values[], size_t *len, size_t cap, uint32_t target);
|
|
|
|
/**
|
|
* Remove target from values.
|
|
*
|
|
* When target is removed, the last element of the set is moved to where
|
|
* target was.
|
|
*
|
|
* Returns the previous index of target, or -1 if target wasn't in values.
|
|
*/
|
|
ssize_t set_remove(uint32_t values[], size_t *len, size_t cap, uint32_t target);
|
|
|
|
#endif
|
|
|