Include xstrtod.h.
(struct keyfield): Add field: general_numeric.
(usage): Describe -g option.
(general_numcompare): New function.
(keycompare): Use new comparison function when general_numeric
flag is set.
(set_ordering): Honor `g' flag.
(main): Initialize and use new field.
From Marcus Daniels <marcus@sysc.pdx.edu>.
(cleanup_fatal): New function. Call cleanup, then exit.
(sighandler): New function.
(cleanup_fatal): Renamed from cleanup. Call cleanup, then exit.
Update callers.
(tac_stdin): Set up sighandler as signal handler, not `cleanup'.
(cleanup_fatal): New functoin. Call cleanup, then exit.
(interrupt_handler): Rewrite to reset default signal handler
then repost caught signal.
(xmalloc, xrealloc, read_input, write_to_file, handle_line_error,
process_line_count, process_regexp, create_output_file, close_output_file):
Call cleanup_fatal, not cleanup.
Add const attribute to lots of parameters.
Erik Bennett <bennett@cvo.oneworld.com> reported that this is
necessary on BSDI systems. And if offset doesn't fit in a long,
then try using lseek instead.
the same and the file descriptors correspond to stdin and stdout.
This is necessary on at least Digital UNIX (aka OSF1) 3.2C.
Otherwise, running `cat << X > $$' would fail with `cat: -: input
file is output file'. From Jarkko Hietaniemi <jhi@epsilon.hut.fi>.
Jim Meyering