From ca914eb17bfdb2e56a39951a96a9fb54e1a5f607 Mon Sep 17 00:00:00 2001
From: Sander Vrijders <sander.vrijders@intec.ugent.be>
Date: Mon, 16 May 2016 17:05:36 +0200
Subject: lib: Add missing modulo calculation

Adds a missing modulo calculation that would result in index -1 being
returned instead of zero when the ringbuffer skipped back to the
beginning.
---
 include/ouroboros/shm_ap_rbuff.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include/ouroboros/shm_ap_rbuff.h')

diff --git a/include/ouroboros/shm_ap_rbuff.h b/include/ouroboros/shm_ap_rbuff.h
index 0ee3e81e..956a9540 100644
--- a/include/ouroboros/shm_ap_rbuff.h
+++ b/include/ouroboros/shm_ap_rbuff.h
@@ -37,8 +37,8 @@
 struct shm_ap_rbuff;
 
 struct rb_entry {
-        size_t index;
-        int    port_id;
+        ssize_t index;
+        int     port_id;
 };
 
 struct shm_ap_rbuff * shm_ap_rbuff_create();
-- 
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