X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fsvec.h;h=ff5619732be01f2498051c6b37a179022a8bfd14;hb=6e79e2104c95e005e81a070053a3dc99a2bfde09;hp=7d8777fa8cc5f884a14e09873cb73a034ac6c6cb;hpb=34e63086edddcae06d7c1a4fa84fec0861e50758;p=openvswitch

diff --git a/lib/svec.h b/lib/svec.h
index 7d8777fa..ff561973 100644
--- a/lib/svec.h
+++ b/lib/svec.h
@@ -32,6 +32,7 @@ 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 +58,13 @@ 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)++)
+
 #endif /* svec.h */