* lib/sethostname.c: Don't include <string.h>.
(sethostname): No need to copy the argument string to the stack. Don't
call clearerr. Preserve errno when fprintf failed.
* m4/sethostname.m4 (gl_FUNC_SETHOSTNAME): Comment about HOST_NAME_MAX.
Don't invoke AC_REPLACE_FUNCS.
* modules/sethostname (Link): Remove empty section.
* doc/glibc-functions/sethostname.texi: Gnulib does not fix the ENOSYS
failure problem.
Define sethostname on platforms that do not provide the declaration.
Provide a function for platforms that lack it. The general handling
of the provided function is to simply return -1 and set errno to
ENOSYS. A specific handler is provided for Minix.
* lib/sethostname.c (sethostname): New file. Provide sethostname
for systems that lack it.
* m4/sethostname.m4 (gl_FUNC_SETHOSTNAME): New file. Detection of
sethostname declaration and function.
* modules/sethostname: New file. Define the sethostname module.
Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca>
