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.

#!/bin/sh

# Test in the C locale.
./test-c-strcasecmp${EXEEXT} || exit 1
./test-c-strncasecmp${EXEEXT} || exit 1

# Test in an ISO-8859-1 or ISO-8859-15 locale.
: ${LOCALE_FR=fr_FR}
if test $LOCALE_FR != none; then
  LC_ALL=$LOCALE_FR ./test-c-strcasecmp${EXEEXT} locale || exit 1
  LC_ALL=$LOCALE_FR ./test-c-strncasecmp${EXEEXT} locale || exit 1
fi

# Test in a Turkish UTF-8 locale.
: ${LOCALE_TR_UTF8=tr_TR.UTF-8}
if test $LOCALE_TR_UTF8 != none; then
  LC_ALL=$LOCALE_TR_UTF8 ./test-c-strcasecmp${EXEEXT} locale || exit 1
  LC_ALL=$LOCALE_TR_UTF8 ./test-c-strncasecmp${EXEEXT} locale || exit 1
fi

exit 0