From 514be7e23f57eb9b50a48b6585549c57f0e954ef Mon Sep 17 00:00:00 2001
From: Slawomir Kwasniak <slawomir.kwasniak@hensoldt-cyber.de>
Date: Mon, 22 Mar 2021 21:14:25 +0100
Subject: [PATCH] Fix strncpy truncating NUL terminating char

This fix handles the gcc's `-Wstringop-truncation` warning.

See:
<https://stackoverflow.com/questions/50198319/gcc-8-wstringop-truncation-what-is-the-good-practice>
---
 src/spiffs_nucleus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/spiffs_nucleus.c b/src/spiffs_nucleus.c
index 911447c..a33b7c9 100644
--- a/src/spiffs_nucleus.c
+++ b/src/spiffs_nucleus.c
@@ -954,7 +954,8 @@ s32_t spiffs_object_create(
   oix_hdr.p_hdr.flags = 0xff & ~(SPIFFS_PH_FLAG_FINAL | SPIFFS_PH_FLAG_INDEX | SPIFFS_PH_FLAG_USED);
   oix_hdr.type = type;
   oix_hdr.size = SPIFFS_UNDEFINED_LEN; // keep ones so we can update later without wasting this page
-  strncpy((char*)oix_hdr.name, (const char*)name, SPIFFS_OBJ_NAME_LEN);
+  strncpy((char*)oix_hdr.name, (const char*)name, sizeof(oix_hdr.name) - 1);
+  ((char*)oix_hdr.name)[sizeof(oix_hdr.name) - 1] = '\0';
 #if SPIFFS_OBJ_META_LEN
   if (meta) {
     _SPIFFS_MEMCPY(oix_hdr.meta, meta, SPIFFS_OBJ_META_LEN);