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
. "${srcdir=.}/init.sh"; path_prepend_ .

fail=0

test-readtokens || fail=1

# Simplest case.
echo a:b:c: > exp || fail=1
printf a:b:c | test-readtokens : > out 2>&1 || fail=1
compare exp out || fail=1

# Use NUL as the delimiter.
echo a:b:c: > exp || fail=1
printf 'a\0b\0c' | test-readtokens '\0' > out 2>&1 || fail=1
compare exp out || fail=1

# Two delimiter bytes, and adjacent delimiters in the input.
echo a:b:c: > exp || fail=1
printf a:-:b-:c:: | test-readtokens :- > out 2>&1 || fail=1
compare exp out || fail=1

Exit $fail