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authorScott D Phillips <scott.d.phillips@intel.com>2018-05-02 09:01:02 -0700
committerScott D Phillips <scott.d.phillips@intel.com>2018-05-04 10:13:33 -0700
commit5c075b085585b1629022d40ce7af9448c7d0e906 (patch)
tree62b7f9acb5843d1288ab17b475fabc49f5717d12 /src/util/set.c
parentaffe63b1da25dc7038499b6884523384684d70a8 (diff)
util/set: add a set_clear function
Clear a set back to the state of having zero entries. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Diffstat (limited to 'src/util/set.c')
-rw-r--r--src/util/set.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/util/set.c b/src/util/set.c
index d71f771807f..2c9b09319ff 100644
--- a/src/util/set.c
+++ b/src/util/set.c
@@ -156,6 +156,29 @@ _mesa_set_destroy(struct set *ht, void (*delete_function)(struct set_entry *entr
}
/**
+ * Clears all values from the given set.
+ *
+ * If delete_function is passed, it gets called on each entry present before
+ * the set is cleared.
+ */
+void
+_mesa_set_clear(struct set *set, void (*delete_function)(struct set_entry *entry))
+{
+ struct set_entry *entry;
+
+ if (!set)
+ return;
+
+ set_foreach (set, entry) {
+ if (delete_function)
+ delete_function(entry);
+ entry->key = deleted_key;
+ }
+
+ set->entries = set->deleted_entries = 0;
+}
+
+/**
* Finds a set entry with the given key and hash of that key.
*
* Returns NULL if no entry is found.