From: Ben Pfaff <blp@nicira.com>
Date: Thu, 30 Jul 2009 20:41:21 +0000 (-0700)
Subject: svec: New convenience macro SVEC_FOR_EACH.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c338e47fbef2ce1354acbd9f521196dea3fe93f5;p=openvswitch

svec: New convenience macro SVEC_FOR_EACH.
---

diff --git a/lib/svec.h b/lib/svec.h
index 7d8777fa..e1736bc6 100644
--- a/lib/svec.h
+++ b/lib/svec.h
@@ -57,4 +57,13 @@ 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 */