[PATCH 2/4] split up rate_alloc() into rate_alloc() and rate_init()

[Vitezslav Samel]

We need to have initialization separate, so split up the rate_alloc().

Signed-off-by: Vitezslav Samel <vitezslav(a)samel.cz&gt;
---
 src/rate.c |   16 +++++++++++++---
 src/rate.h |    1 +
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/rate.c b/src/rate.c
index c60c70a..98c4cf2 100644
--- a/src/rate.c
+++ b/src/rate.c
@@ -4,15 +4,25 @@
 #include "iptraf-ng-compat.h"
 #include "rate.h"
 
-void rate_alloc(struct rate *rate, unsigned int n)
+void rate_init(struct rate *rate)
 {
 	if (!rate)
 		return;
 
-	rate->n = n;
 	rate->index = 0;
 	rate->sma = 0;
-	rate->rates = xmallocz(n * sizeof(*rate->rates));
+	memset(rate->rates, 0, rate->n * sizeof(rate->rates[0]));
+}
+
+void rate_alloc(struct rate *rate, unsigned int n)
+{
+	if (!rate)
+		return;
+
+	rate->n = n;
+	rate->rates = xmalloc(n * sizeof(rate->rates[0]));
+
+	rate_init(rate);
 }
 
 void rate_destroy(struct rate *rate)
diff --git a/src/rate.h b/src/rate.h
index 87f476d..266dd28 100644
--- a/src/rate.h
+++ b/src/rate.h
@@ -23,6 +23,7 @@ struct rate {
 	unsigned long		sma;	/* simple moving average */
 };
 
+void rate_init(struct rate *rate);
 void rate_alloc(struct rate *rate, unsigned int n);
 void rate_destroy(struct rate *rate);
 void rate_add_rate(struct rate *rate, unsigned long bytes,
-- 
1.7.8.4