unistd: Improve fortify with clang
commitec307a10865a3e43f611b725fec952a93e4d1893
authorAdhemerval Zanella <adhemerval.zanella@linaro.org>
Thu, 8 Feb 2024 18:46:17 +0000 (8 15:46 -0300)
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>
Tue, 27 Feb 2024 13:52:58 +0000 (27 10:52 -0300)
treec06f43953f88156aca72982b2a4335c801b6e246
parentd39a893ed6de8e63ffbfbcc4b7176a2fa852f8a8
unistd: Improve fortify with clang

It improve fortify checks for read, pread, pread64, readlink,
readlinkat, getcwd, getwd, confstr, getgroups, ttyname_r, getlogin_r,
gethostname, and getdomainname.  The compile and runtime checks have
similar coverage as with GCC.

Checked on aarch64, armhf, x86_64, and i686.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
posix/bits/unistd.h