(main): Always initialize and dump subdired_obstack, not just if -R.
`ls -lDR dir dir2' was using uninitialized subdired_obstack.
Reported by Samuli K{rkk{inen <hskarkka@snakemail.hut.fi>.
New versions have been broken out into save-cwd.c.
(du_files): Adapt to handle status code returned by new versions
of save_cwd and restore_cwd.
(count_entry): Likewise.
This is a minor concession to POSIX which says `no output shall be produced'.
(main): Fix -k so it works. -k 2,3 was being treated like -k 2.
Reported by Marcus Daniels <marcus@sysc.pdx.edu>.
relative to the initial input file pointer position, not
necessarily from the beginning of the file.
[!from_start]: Don't back up past the initial position of the
input file pointer.
(tail_lines): Call file_lines only if FD refers to a regular file
with its file pointer positioned at beginning of file. Otherwise,
call pipe_lines. This is a kludge. Once there's a decent test
suite, fix this properly.
Before, (echo 1; echo 2) > k; sh -c 'read x; tail' < k
would output both lines of the input file even though the first had
already been read. Reported by John Roll (john@panic.harvard.edu).
(md5_file, md5_check): Set it.
(main): Use it.
[OPENOPTS]: Depend explicitly on BINARY.
(md5_file): Take a new parameter, MD5_RESULT, and no longer
generate output.
(md5_check): Invoke md5_file instead of calling fopen directly.
When giving a diagnostic for a line with invalid format, also report
the line number.
(main): Generate output after a successful md5_file call.
[in many places]: Upon detection of an error, rather than exiting
immediately, issue a diagnostic, note that an error occurred and
exit later.
(main): Call the new function instead of doing all that in an if stmt.
Always use "%s" format rather than raw filename as format argument
in printf-style functions like error. Otherwise, filenames containing
e.g. `%s' lose.
Remove all traces of `old format'. There is only one format now.
The compatible one.
(main): Report an error if md5_stream fails. Otherwise, running
`md5sum dir-on-mounted-filesystem' always reported the checksum
for an empty file. Now it gets the `is a directory' error.
Greg McGary reported that the released version got stuck in an
infinite loop with such arguments.
Jim Meyering