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commit 46d56493968a98779f5ca3a1e63e498bace3678b
parent 2caeb2c96c40984faa37f2264b1d1b070f4e61f8
Author: Christian Grothoff <grothoff@gnunet.org>
Date:   Sun, 16 Aug 2026 08:30:47 +0200

avoid unaligned access

Diffstat:
M
src/pq/pq_query_helper.c
 | 
7
++++++-

1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/pq/pq_query_helper.c b/src/pq/pq_query_helper.c
@@ -817,8 +817,13 @@ qconv_array (
     for (size_t i = 0; i < num; i++)
     {
       size_t sz = same_sized ? meta->same_size : sizes[i];
+      uint32_t bsz = htonl ((uint32_t) sz);
 
-      *(uint32_t *) out = htonl (sz);
+      /* Note: @a out is not necessarily aligned, as elements
+         may have odd sizes; so we must not type-pun here. */
+      GNUNET_memcpy (out,
+                     &bsz,
+                     sizeof (bsz));
       out += sizeof(uint32_t);
       switch (meta->typ)
       {