From: Daiki Ueno <ueno@gnu.org>
Date: Wed, 7 Jun 2023 09:43:32 +0000 (+0200)
Subject: src: suppress clang-analyzer warning
X-Git-Tag: 3.8.1~12^2~4
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=a1d23f0cdedd955ef4b9f7f6b74550398cd309cd;p=thirdparty%2Fgnutls.git

src: suppress clang-analyzer warning

clang-analyzer from Clang 16 reports the following:

  serv.c:2069:2: warning: Null pointer passed to 1st parameter expecting 'nonnull' [core.NonNullParamChecker]
          memcpy(cache_db[i].session_data.data, data.data, data.size);
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Daiki Ueno <ueno@gnu.org>
---

diff --git a/src/serv.c b/src/serv.c
index cd6cf0a75c..47632120a5 100644
--- a/src/serv.c
+++ b/src/serv.c
@@ -2066,7 +2066,9 @@ static int wrap_db_store(void *dbf, gnutls_datum_t key, gnutls_datum_t data)
 			return GNUTLS_E_MEMORY_ERROR;
 		cache_db[i].session_data.data = ptr;
 	}
-	memcpy(cache_db[i].session_data.data, data.data, data.size);
+	if (data.size > 0) {
+		memcpy(cache_db[i].session_data.data, data.data, data.size);
+	}
 	cache_db[i].session_data.size = data.size;
 
 	return 0;