From 050636e4cf097af165fa2f74971abad78518f8fb Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <matthewkennedy@outlook.com>
Date: Wed, 3 Jul 2024 00:12:35 -0700
Subject: [PATCH] fix miata vvt maf table copy

---
 firmware/config/engines/mazda_miata_vvt.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/firmware/config/engines/mazda_miata_vvt.cpp b/firmware/config/engines/mazda_miata_vvt.cpp
index aadf583c04..3f1df03654 100644
--- a/firmware/config/engines/mazda_miata_vvt.cpp
+++ b/firmware/config/engines/mazda_miata_vvt.cpp
@@ -201,10 +201,18 @@ static const float mafTransferKgH[MAF_TRANSFER_SIZE] = {
 		350.00
 };
 
+template <typename TSrc, typename TDst, size_t NSrc, size_t NDest>
+constexpr void copyArrayPartial(TDst (&dest)[NDest], const TSrc (&src)[NSrc]) {
+	static_assert(NDest >= NSrc, "Source array must be larger than destination.");
+
+	for (size_t i = 0; i < NSrc; i++) {
+		dest[i] = src[i];
+	}
+}
 
 static void setMAFTransferFunction() {
-	memcpy(config->mafDecoding, mafTransferKgH, sizeof(mafTransferKgH));
-	memcpy(config->mafDecodingBins, mafTransferVolts, sizeof(mafTransferVolts));
+	copyArrayPartial(config->mafDecoding, mafTransferKgH);
+	copyArrayPartial(config->mafDecodingBins, mafTransferVolts);
 	for (int i = MAF_TRANSFER_SIZE;i<MAF_DECODING_COUNT;i++) {
 		config->mafDecodingBins[i] = config->mafDecodingBins[MAF_TRANSFER_SIZE - 1] + i * 0.01;
 		config->mafDecoding[i] = config->mafDecoding[MAF_TRANSFER_SIZE - 1];