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-rw-r--r--lib/network.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/network.c b/lib/network.c
index 411661a5e1..d2482bd55e 100644
--- a/lib/network.c
+++ b/lib/network.c
@@ -121,3 +121,21 @@ float ntohf(float net)
{
return htonf(net);
}
+
+/**
+ * Helper function that returns a random long value. The main purpose of
+ * this function is to hide a `random()` call that gets flagged by coverity
+ * scan and put it into one place.
+ *
+ * The main usage of this function should be for generating jitter or weak
+ * random values for simple purposes.
+ *
+ * See 'man 3 random' for more information.
+ *
+ * \returns random long integer.
+ */
+long frr_weak_random(void)
+{
+ /* coverity[dont_call] */
+ return random();
+}