X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=set.h;h=a16cbedbfc8e309f8a841df506779f9b439cf1de;hp=b206ba80f60937690fbbf2f3aa860adea3fa9db3;hb=5630af71d72a2fa8142886ca2fb37e69a1906bca;hpb=11dd41ce4b465f6260ce68aa050a488f88f694eb

diff --git a/set.h b/set.h
index b206ba80f..a16cbedbf 100644
--- a/set.h
+++ b/set.h
@@ -14,10 +14,12 @@
 typedef struct Set Set;
 
 Set *set_new(hash_func_t hash_func, compare_func_t compare_func);
-Set* set_copy(Set *s);
 void set_free(Set* s);
+Set* set_copy(Set *s);
+int set_ensure_allocated(Set **s, hash_func_t hash_func, compare_func_t compare_func);
 
 int set_put(Set *s, void *value);
+int set_replace(Set *s, void *value);
 void *set_get(Set *s, void *value);
 void *set_remove(Set *s, void *value);
 
@@ -26,18 +28,19 @@ int set_merge(Set *s, Set *other);
 unsigned set_size(Set *s);
 bool set_isempty(Set *s);
 
-void *set_iterate(Set *s, void **state);
-void *set_iterate_backwards(Set *s, void **state);
+void *set_iterate(Set *s, Iterator *i);
+void *set_iterate_backwards(Set *s, Iterator *i);
+void *set_iterate_skip(Set *s, void *value, Iterator *i);
 
 void set_clear(Set *s);
 void *set_steal_first(Set *s);
 void* set_first(Set *s);
 void* set_last(Set *s);
 
-#define SET_FOREACH(e, s, state) \
-        for ((state) = NULL, (e) = set_iterate((s), &(state)); (e); (e) = set_iterate((s), &(state)))
+#define SET_FOREACH(e, s, i) \
+        for ((i) = ITERATOR_FIRST, (e) = set_iterate((s), &(i)); (e); (e) = set_iterate((s), &(i)))
 
-#define SET_FOREACH_BACKWARDS(e, s, state) \
-        for ((state) = NULL, (e) = set_iterate_backwards((s), &(state)); (e); (e) = set_iterate_backwards((s), &(state)))
+#define SET_FOREACH_BACKWARDS(e, s, i) \
+        for ((i) = ITERATOR_LAST, (e) = set_iterate_backwards((s), &(i)); (e); (e) = set_iterate_backwards((s), &(i)))
 
 #endif