Eric Blake wrote: > strerror_r has its own set of portability problems, since the glibc > signature disagrees with the POSIX signature.
glibc also has a second function __xpg_strerror_r, which it enables under the name strerror_r when _POSIX_C_SOURCE is defined to 200112L. But this function is also not POSIX compliant, as I've just reported: <http://sources.redhat.com/bugzilla/show_bug.cgi?id=12204> Bruno