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RIOT/pkg/openwsn/patches/0014-openstack-03a-IPHC-use-memmove-instead-of-memcpy.patch

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From d7c8d2a0ee86b7a2e1a7915f4f789c27fde83cf9 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Sun, 3 Apr 2022 20:39:23 +0200
Subject: [PATCH] openstack/03a-IPHC: use memmove() instead of memcpy()
The memory segments do overlap, so we must use memmove() instead of memcpy().
---
openstack/03a-IPHC/frag.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/openstack/03a-IPHC/frag.c b/openstack/03a-IPHC/frag.c
index d2ca5f45..7ee0b3ba 100644
--- a/openstack/03a-IPHC/frag.c
+++ b/openstack/03a-IPHC/frag.c
@@ -708,7 +708,7 @@ opentimers_id_t frag_timerq_dequeue(void) {
opentimers_id_t expired;
expired = frag_vars.frag_timerq[0];
- memcpy((uint8_t *) frag_vars.frag_timerq, (uint8_t * ) & (frag_vars.frag_timerq[1]), NUM_OF_CONCURRENT_TIMERS - 1);
+ memmove((uint8_t *) frag_vars.frag_timerq, (uint8_t * ) & (frag_vars.frag_timerq[1]), NUM_OF_CONCURRENT_TIMERS - 1);
frag_vars.frag_timerq[NUM_OF_CONCURRENT_TIMERS - 1] = 0;
return expired;
--
2.32.0