From 9dafc75bb51c0f350330277a2e96b04f5a1c73b3 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Fri, 10 Jan 2020 10:35:55 +0000
Subject:  Add pub library and daemon

---
 src/libskabus/skabus_pub_message_getnfds.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/libskabus/skabus_pub_message_getnfds.c

(limited to 'src/libskabus/skabus_pub_message_getnfds.c')

diff --git a/src/libskabus/skabus_pub_message_getnfds.c b/src/libskabus/skabus_pub_message_getnfds.c
new file mode 100644
index 0000000..828a42d
--- /dev/null
+++ b/src/libskabus/skabus_pub_message_getnfds.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <skalibs/genalloc.h>
+
+#include <skabus/pub.h>
+
+int skabus_pub_message_getnfds (skabus_pub_t const *a)
+{
+  return genalloc_len(skabus_pub_cltinfo_t, &a->info) <= a->head ? -1 :
+   (int)genalloc_s(skabus_pub_cltinfo_t, &a->info)[a->head].nfds ;
+}
-- 
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