lib: Don't print warning if not a daemon

vtysh will print out the `stupidly large FD limit` upon
every run of the program if the ulimit is set stupidly
large.  Prevent this from being displayed for vtysh.

Fixes: #16516
Signed-off-by: Donald Sharp <sharpd@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/libfrr.c b/lib/libfrr.c
index 328c6ec8b2..2a973c9106 100644
--- a/lib/libfrr.c
+++ b/lib/libfrr.c
@@ -1474,3 +1474,11 @@ const char *frr_vers2str(uint32_t version, char *buf, int buflen)
 
 	return buf;
 }
+
+bool frr_is_daemon(void)
+{
+	if (di)
+		return true;
+
+	return false;
+}