From 152b179a19e43fcb0baec65ea65d394ee1dba891 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 29 Jun 2012 19:03:37 +0100
Subject: New API: guestfs_nr_devices

This returns the number of whole block devices added.  It is usually
simpler to call this than to list the devices and count them, which
is what we do in some places in the current codebase.
---
 daemon/devsparts.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'daemon/devsparts.c')

diff --git a/daemon/devsparts.c b/daemon/devsparts.c
index 8020fbe1..bd955da5 100644
--- a/daemon/devsparts.c
+++ b/daemon/devsparts.c
@@ -264,3 +264,20 @@ do_device_index (const char *device)
     reply_with_error ("device not found");
   return ret;
 }
+
+int
+do_nr_devices (void)
+{
+  char **devices;
+  size_t i;
+
+  devices = do_list_devices ();
+  if (devices == NULL)
+    return -1;
+
+  for (i = 0; devices[i] != NULL; ++i)
+    free (devices[i]);
+  free (devices);
+
+  return (int) i;
+}
-- 
cgit