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socket/tst-cmsghdr: Fix alignment of cmsghdr

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The computation was correct on Linux only by luck because the cmsghdr size
is already aligned there.
This commit is contained in:
Samuel Thibault 2025-01-12 15:57:26 +01:00
parent 4ab62ce605
commit 278f8d5c4d
1 changed files with 2 additions and 2 deletions
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4
socket/tst-cmsghdr-skeleton.c
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@ -56,7 +56,7 @@ RUN_TEST_FUNCNAME (CMSG_NXTHDR_IMPL) (void)
/* The first header leaves just enough space to hold another header. */
cmsg = CMSG_FIRSTHDR (&m);
TEST_VERIFY_EXIT ((char *) cmsg == cmsgbuf);
cmsg->cmsg_len = sizeof (cmsgbuf) - sizeof (struct cmsghdr);
cmsg->cmsg_len = sizeof (cmsgbuf) - CMSG_ALIGN (sizeof (struct cmsghdr));
cmsg = CMSG_NXTHDR_IMPL (&m, cmsg);
TEST_VERIFY_EXIT (cmsg != NULL);
@ -75,7 +75,7 @@ RUN_TEST_FUNCNAME (CMSG_NXTHDR_IMPL) (void)
TEST_VERIFY_EXIT (cmsg != NULL);
cmsg->cmsg_len = sizeof (cmsgbuf)
- CMSG_SPACE (sizeof (PAYLOAD)) /* First header. */
- sizeof (struct cmsghdr);
- CMSG_ALIGN (sizeof (struct cmsghdr));
cmsg = CMSG_NXTHDR_IMPL (&m, cmsg);
TEST_VERIFY_EXIT (cmsg != NULL);