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socket: Fix tst-cmsghdr-skeleton.c use of cmsg_len

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cmsg_len is supposed to be socklen_t according to standards, but it was made
size_t on Linux, see BZ 16919. For ports that have it socklen_t, SIZE_MAX is
too large. We can however explicitly cast it to the type of cmsg_len so it
will fit according to that type.
This commit is contained in:
Samuel Thibault 2023-05-01 14:48:06 +02:00
parent e11a6734c4
commit 7647d1901e
1 changed files with 1 additions and 1 deletions
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socket/tst-cmsghdr-skeleton.c
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@ -49,7 +49,7 @@ RUN_TEST_FUNCNAME (CMSG_NXTHDR_IMPL) (void)
/* The first header length is so big, using it would cause an overflow. */
cmsg = CMSG_FIRSTHDR (&m);
TEST_VERIFY_EXIT ((char *) cmsg == cmsgbuf);
cmsg->cmsg_len = SIZE_MAX;
cmsg->cmsg_len = (__typeof (cmsg->cmsg_len)) SIZE_MAX;
cmsg = CMSG_NXTHDR_IMPL (&m, cmsg);
TEST_VERIFY_EXIT (cmsg == NULL);