add new option: --printf=FMT
(isodigit, octtobin, hextobin): Define.
(PRINTF_OPTION): Define.
(interpret_backslash_escapes, trailing_delim): New globals.
(usage): Document them. Alphabetize on long option names.
(print_esc_char): New function.
(print_it): Rewrite, in order to handle backslash escapes.
(main): Handle new option. Set globals for --format, too.
(check_ordering_compatibility, main): Use it.
(main): Check for -c and -o.
Don't bother with a usage message for
"sort -c a b", for consistency with other error diagnostics.
Don't include md5.h; it wasn't needed.
(struct keyfield): Rename random_hash to random, for consistency
with the other member names. All uses changed.
(usage): Tweak wording to mention STRING for --seed option.
(short_options): Rorder for consistency with other programs.
(rand_state): Now a struct, not a pointer to one. All uses changed.
(HASH_WORDS, HASH_SIZE): Remove.
(get_hash): Remove comments around resbuf size, since we can assume C89.
Use a "more-kosher" (but slower) approach of invoking isaac_refill.
(keycompare): Adjust to the new get_hash.
Add a FIXME.
(badfieldspec): Omit recently-introduced comment; it isn't needed.
(main): Don't set need_random simply because gkey has it set; that
doesn't necessarily mean we'll need random numbers.
Redo seeding to match new get_hash approach.
changing it to allow for varying numbers of words in the state.
Alter so that we include rand-isaac.c directly rather than
compiling it and linking to it. Don't include config.h or
system.h; that's the includer's responsibility.
(ISAAC_LOG, ISAAC_WORDS, ISAAC_BYTES, struct isaac_state, ind):
(isaac_step, struct irand_state):
Resurrect these, with the same defns that used to be in shred.c.
(ISAAC_SIZE, isaac_new, isaac_copy): Remove.
(isaac_refill, isaac_seed_start, isaac_seed_data, irand_init, irand32):
static again.
(struct isaac_state, isaac_refill, isaac_mix, isaac_init):
(isaac_seed_start, isaac_seed_data, isaac_seed_finish, isaac_seed):
(irand_init, irand32, irand_mod):
Number of words is constant again.
Jim Meyering
Paul Eggert