From 82f35edeb92296a28633373a780b6b8e190bde1f Mon Sep 17 00:00:00 2001
From: Nandor Kracser <nandor@riptides.io>
Date: Thu, 10 Sep 2026 08:07:10 +0200
Subject: [PATCH] fix: use memcpy for the non-terminated copy

Linux 7.2 removed strncpy() from <linux/string.h>, so the in-kernel
build fails with an implicit declaration. This copy was memcpy
semantics all along: cp_len bytes into a buffer the caller then
advances by cp_len, no NUL involved.
---
 sigv4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sigv4.c b/sigv4.c
index d01f944..b9a49d3 100644
--- a/sigv4.c
+++ b/sigv4.c
@@ -55,7 +55,7 @@ static unsigned char *aws_sigv4_vslprintf(unsigned char *buf, unsigned char *las
           goto finished;
         }
         size_t cp_len = n_max >= str->len ? str->len : n_max;
-        strncpy((char *)c_ptr, (char *)str->data, cp_len);
+        memcpy((char *)c_ptr, (char *)str->data, cp_len);
         c_ptr += cp_len;
         fmt += 2;
       }