From 3890f856068542c6ddb7b498a2e313b026450bd2 Mon Sep 17 00:00:00 2001
From: Robert Bielik <Robert.Bielik@dirac.com>
Date: Mon, 30 Dec 2019 10:38:14 +0100
Subject: [PATCH] Fix compilation errors and warnings when NNG_ENABLE_STATS is
 OFF

---
 src/core/dialer.c   |  5 +++++
 src/core/listener.c |  5 +++++
 src/core/pipe.c     | 10 ++++++++++
 src/core/stats.c    |  4 ++++
 4 files changed, 24 insertions(+)

diff --git a/src/core/dialer.c b/src/core/dialer.c
index 91d8082b6..e1178783b 100644
--- a/src/core/dialer.c
+++ b/src/core/dialer.c
@@ -128,6 +128,7 @@ dialer_stats_init(nni_dialer *d)
 void
 nni_dialer_bump_error(nni_dialer *d, int err)
 {
+#ifdef NNG_ENABLE_STATS
 	switch (err) {
 	case NNG_ECONNABORTED:
 	case NNG_ECONNRESET:
@@ -156,6 +157,10 @@ nni_dialer_bump_error(nni_dialer *d, int err)
 		BUMP_STAT(&d->d_stats.s_othererr);
 		break;
 	}
+#else
+	NNI_ARG_UNUSED(d);
+	NNI_ARG_UNUSED(err);
+#endif
 }
 
 int
diff --git a/src/core/listener.c b/src/core/listener.c
index 189f89056..d44a5456f 100644
--- a/src/core/listener.c
+++ b/src/core/listener.c
@@ -125,6 +125,7 @@ listener_stats_init(nni_listener *l)
 void
 nni_listener_bump_error(nni_listener *l, int err)
 {
+#ifdef NNG_ENABLE_STATS
 	switch (err) {
 	case NNG_ECONNABORTED:
 	case NNG_ECONNRESET:
@@ -150,6 +151,10 @@ nni_listener_bump_error(nni_listener *l, int err)
 		BUMP_STAT(&l->l_stats.s_othererr);
 		break;
 	}
+#else
+	NNI_ARG_UNUSED(l);
+	NNI_ARG_UNUSED(err);
+#endif
 }
 
 int
diff --git a/src/core/pipe.c b/src/core/pipe.c
index 7a632b0f6..f7269eb48 100644
--- a/src/core/pipe.c
+++ b/src/core/pipe.c
@@ -351,15 +351,25 @@ nni_pipe_add_stat(nni_pipe *p, nni_stat_item *item)
 void
 nni_pipe_bump_rx(nni_pipe *p, size_t nbytes)
 {
+#ifdef NNG_ENABLE_STATS
 	nni_stat_inc_atomic(&p->p_stats.s_rxbytes, nbytes);
 	nni_stat_inc_atomic(&p->p_stats.s_rxmsgs, 1);
+#else
+	NNI_ARG_UNUSED(p);
+	NNI_ARG_UNUSED(nbytes);
+#endif
 }
 
 void
 nni_pipe_bump_tx(nni_pipe *p, size_t nbytes)
 {
+#ifdef NNG_ENABLE_STATS
 	nni_stat_inc_atomic(&p->p_stats.s_txbytes, nbytes);
 	nni_stat_inc_atomic(&p->p_stats.s_txmsgs, 1);
+#else
+	NNI_ARG_UNUSED(p);
+	NNI_ARG_UNUSED(nbytes);
+#endif
 }
 
 void
diff --git a/src/core/stats.c b/src/core/stats.c
index 74b14f594..3c200fecd 100644
--- a/src/core/stats.c
+++ b/src/core/stats.c
@@ -60,9 +60,13 @@ nni_stat_add(nni_stat_item *parent, nni_stat_item *child)
 void
 nni_stat_register(nni_stat_item *child)
 {
+#ifdef NNG_ENABLE_STATS
 	nni_mtx_lock(&stats_lock);
 	nni_stat_add(&stats_root, child);
 	nni_mtx_unlock(&stats_lock);
+#else
+	NNI_ARG_UNUSED(child);
+#endif
 }
 
 void