Andreas Schwab, le lun. 01 mai 2023 15:38:45 +0200, a ecrit: > On Mai 01 2023, Samuel Thibault wrote: > > > 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. > > --- > > socket/tst-cmsghdr-skeleton.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/socket/tst-cmsghdr-skeleton.c b/socket/tst-cmsghdr-skeleton.c > > index 296a0a8581..9516139f87 100644 > > --- a/socket/tst-cmsghdr-skeleton.c > > +++ b/socket/tst-cmsghdr-skeleton.c > > @@ -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; > > What does that fix?
64bit hurd, where cmsg_len is socklen_t as the standards require (thus 32bit). Samuel
