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.

Files:
tests/dfa-match.sh
tests/dfa-match-aux.c
tests/dfa-invalid-char-class.sh

Depends-on:
getprogname
stdio
stdlib
string
regex

configure.ac:

Makefile.am:
TESTS +=			\
  dfa-invalid-char-class.sh	\
  dfa-match.sh

check_PROGRAMS += dfa-match-aux
dfa_match_aux_LDADD = $(LDADD) @LIBINTL@