From ca5d8bf84291df99c6ef211aa03e1fe909f8b544 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Mon, 29 Sep 2025 14:47:09 +0100
Subject: [PATCH] Fix memcpy destination offset in writing buffer to ensure
 correct data placement

---
 src/write.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/write.c b/src/write.c
index 23c2391..3fd27a7 100644
--- a/src/write.c
+++ b/src/write.c
@@ -112,7 +112,7 @@ int32_t aaruf_write_sector(void *context, uint64_t sectorAddress, uint8_t *data,
     }
 
     TRACE("Copying data to writing buffer at position %zu", ctx->writingBufferPosition);
-    memcpy(ctx->writingBuffer, data, length);
+    memcpy(ctx->writingBuffer + ctx->writingBufferPosition, data, length);
     TRACE("Advancing writing buffer position to %zu", ctx->writingBufferPosition + length);
     ctx->writingBufferPosition += length;
     TRACE("Advancing current block offset to %zu", ctx->currentBlockOffset + 1);