From a558b4c4891c43b05c1eee834b41343dc0895ca9 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sun, 28 Dec 2025 17:58:35 +0000
Subject: [PATCH] Free compression buffer during cleanup to prevent memory
 leaks

---
 src/close.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/close.c b/src/close.c
index 79778ee..fef7ece 100644
--- a/src/close.c
+++ b/src/close.c
@@ -516,6 +516,10 @@ static int32_t write_single_level_ddt(aaruformat_context *ctx)
     else
         TRACE("Failed to write single-level DDT table data to file");
 
+    // Free compression buffer if it was allocated
+    if(ctx->user_data_ddt_header.compression != None && cmp_buffer != (uint8_t *)ctx->user_data_ddt2)
+        free(cmp_buffer);
+
     return AARUF_STATUS_OK;
 }