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| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-03-04 09:11:39 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-03-04 09:11:39 +0000 |
| commit | 945a7f0d21a0bcbcce3f308e080f54dfb7da54b1 (patch) | |
| tree | f21e6e5f47f598a8698a993e9be2a68a6297a289 | |
| parent | 9883961ed5af5f0ade31579e95ac53e8c514faed (diff) | |
| download | src-945a7f0d21a0bcbcce3f308e080f54dfb7da54b1.tar.gz src-945a7f0d21a0bcbcce3f308e080f54dfb7da54b1.zip | |
linux(4): Assert that the FreeBSD size of struct sockaddr is equal to Linux
Our code depends on the fact that the size of struct sockaddr and
the size of sa_data is equal between FreeBSD and Linux.
| -rw-r--r-- | sys/compat/linux/linux.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/compat/linux/linux.c b/sys/compat/linux/linux.c index a4df46d7f9a7..53a874ebfab7 100644 --- a/sys/compat/linux/linux.c +++ b/sys/compat/linux/linux.c @@ -57,6 +57,10 @@ __FBSDID("$FreeBSD$"); #include <compat/linux/linux_util.h> _Static_assert(LINUX_IFNAMSIZ == IFNAMSIZ, "Linux IFNAMSIZ"); +_Static_assert(sizeof(struct sockaddr) == sizeof(struct l_sockaddr), + "Linux struct sockaddr size"); +_Static_assert(offsetof(struct sockaddr, sa_data) == + offsetof(struct l_sockaddr, sa_data), "Linux struct sockaddr layout"); static bool use_real_ifnames = false; SYSCTL_BOOL(_compat_linux, OID_AUTO, use_real_ifnames, CTLFLAG_RWTUN, |