long-options: add parse_gnu_standard_options_only Discussed in https://bugs.gnu.org/33468 . * lib/long-options.c (parse_long_options): Use EXIT_SUCCESS instead of 0. (parse_gnu_standard_options_only): Add function to process the GNU default options --help and --version and fail for any other unknown long or short option. See https://gnu.org/prep/standards/html_node/Command_002dLine-Interfaces.html . * lib/long-options.h (parse_gnu_standard_options_only): Declare it. * modules/long-options (depends-on): Add stdbool, exitfail. * top/maint.mk (sc_prohibit_long_options_without_use): Update syntax-check rule, add new function name.

Description:
Retrieving the file descriptor of an open directory stream.  (Unportable.)

Files:
lib/dirfd.c
m4/dirfd.m4

Depends-on:
dirent
extensions
errno           [test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no || test $REPLACE_DIRFD = 1]

configure.ac:
gl_FUNC_DIRFD
if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no \
   || test $REPLACE_DIRFD = 1; then
  AC_LIBOBJ([dirfd])
  gl_PREREQ_DIRFD
fi
gl_DIRENT_MODULE_INDICATOR([dirfd])

Makefile.am:

Include:
<dirent.h>

License:
LGPLv2+

Maintainer:
Jim Meyering