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authorMichael Biebl <biebl@debian.org>2022-06-17 22:03:19 +0200
committerMichael Biebl <biebl@debian.org>2022-06-17 22:03:19 +0200
commitf7c750061dab327e638c0129cfafd5b2215b3a2e (patch)
tree228879a9047dcc8c06e11964fe23b3b73cf5fc70 /src/libnm-glib-aux/nm-shared-utils.c
parent87d61411bb3453587d21487da04fcf770fee7d55 (diff)
New upstream version 1.38.2 upstream/1.38.2
Diffstat (limited to 'src/libnm-glib-aux/nm-shared-utils.c')
-rw-r--r--src/libnm-glib-aux/nm-shared-utils.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libnm-glib-aux/nm-shared-utils.c b/src/libnm-glib-aux/nm-shared-utils.c
index ad99a6b9..e6ee04d7 100644
--- a/src/libnm-glib-aux/nm-shared-utils.c
+++ b/src/libnm-glib-aux/nm-shared-utils.c
@@ -37,6 +37,13 @@ const void *const _NM_PTRARRAY_EMPTY[1] = {NULL};
 
 const NMIPAddr nm_ip_addr_zero = {};
 
+/* We use _nm_alignas(NMIPAddr) to ensure that fields for in_addr_t and
+ * struct in6_addr have all the same alignment. Ensure that this is suitable. */
+G_STATIC_ASSERT(_nm_alignof(in_addr_t) <= _nm_alignof(NMIPAddr));
+G_STATIC_ASSERT(_nm_alignof(struct in_addr) <= _nm_alignof(NMIPAddr));
+G_STATIC_ASSERT(_nm_alignof(struct in6_addr) <= _nm_alignof(NMIPAddr));
+G_STATIC_ASSERT(_nm_alignof(NMEtherAddr) <= _nm_alignof(NMIPAddr));
+
 /* this initializes a struct in_addr/in6_addr and allows for untrusted
  * arguments (like unsuitable @addr_family or @src_len). It's almost safe
  * in the sense that it verifies input arguments strictly. Also, it
@@ -126,6 +133,9 @@ nm_ip_addr_set_from_variant(int addr_family, gpointer dst, GVariant *variant, in
 
 G_STATIC_ASSERT(ETH_ALEN == sizeof(struct ether_addr));
 G_STATIC_ASSERT(ETH_ALEN == 6);
+G_STATIC_ASSERT(ETH_ALEN == sizeof(NMEtherAddr));
+
+G_STATIC_ASSERT(_nm_alignof(struct ether_addr) <= _nm_alignof(NMEtherAddr));
 
 /*****************************************************************************/