util: drop parse_user_at_host() since its unused now

[elogind.git] / src / shared / prioq.h

diff --git a/src/shared/prioq.h b/src/shared/prioq.h
index 17679b2aaf044052835fec34ad891a825b9dc426..d836b36cd9c6dc89e0b8fa58ceb09f3accbd0242 100644 (file)
--- a/src/shared/prioq.h
+++ b/src/shared/prioq.h
@@ -25,6 +25,8 @@
 
 typedef struct Prioq Prioq;
 
+#define PRIOQ_IDX_NULL ((unsigned) -1)
+
 Prioq *prioq_new(compare_func_t compare);
 void prioq_free(Prioq *q);
 int prioq_ensure_allocated(Prioq **q, compare_func_t compare_func);
@@ -33,8 +35,8 @@ int prioq_put(Prioq *q, void *data, unsigned *idx);
 int prioq_remove(Prioq *q, void *data, unsigned *idx);
 int prioq_reshuffle(Prioq *q, void *data, unsigned *idx);
 
-void *prioq_peek(Prioq *q);
+void *prioq_peek(Prioq *q) _pure_;
 void *prioq_pop(Prioq *q);
 
-unsigned prioq_size(Prioq *q);
-bool prioq_isempty(Prioq *q);
+unsigned prioq_size(Prioq *q) _pure_;
+bool prioq_isempty(Prioq *q) _pure_;