revalidator: Fix ukey stats cache updating.

[sliver-openvswitch.git] / lib / svec.h

diff --git a/lib/svec.h b/lib/svec.h
index 7d8777f..341e269 100644 (file)
--- a/lib/svec.h
+++ b/lib/svec.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2011 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,6 +20,10 @@
 #include <stdbool.h>
 #include <stddef.h>
 
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
 struct svec {
     char **names;
     size_t n;
@@ -32,6 +36,7 @@ void svec_init(struct svec *);
 void svec_clone(struct svec *, const struct svec *);
 void svec_destroy(struct svec *);
 void svec_clear(struct svec *);
+bool svec_is_empty(const struct svec *);
 void svec_add(struct svec *, const char *);
 void svec_add_nocopy(struct svec *, char *);
 void svec_del(struct svec *, const char *);
@@ -57,4 +62,17 @@ char *svec_join(const struct svec *,
 const char *svec_back(const struct svec *);
 void svec_pop_back(struct svec *);
 
+/* Iterates over the names in SVEC, assigning each name in turn to NAME and its
+ * index to INDEX. */
+#define SVEC_FOR_EACH(INDEX, NAME, SVEC)        \
+    for ((INDEX) = 0;                           \
+         ((INDEX) < (SVEC)->n                   \
+          ? (NAME) = (SVEC)->names[INDEX], 1    \
+          : 0);                                 \
+         (INDEX)++)
+
+#ifdef  __cplusplus
+}
+#endif
+
 #endif /* svec.h */