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(Top): Update menu.
(pr invocation, Formatting file timestamps, touch invocation,
stat invocation, who invocation, date invocation, Options for date):
Mention TZ.
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function `down' so that it precedes definition of tac_nonseekable.
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(copy_to_temp): Renamed from save_stdin, since
now it copies a general file descriptor, not just stdin.
(tac_nonseekable): Renamed/adapted from tac_stdin.
(tac_file): Get fd via `open' directly rather than via fopen/fileno,
since we never used the stream. Perform "-" to stdin mapping here
rather than in main. Determine whether a file is seekable,
by trying to `lseek' to its end, and dispatch to tac_seekable or
tac_nonseekable accordingly.
(main): Rewrite argument handling now that it uses only tac_file.
Reported by Harald Dunkel in http://bugs.debian.org/278604.
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than "head -1".
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example of obsolete usage, since the POSIX consensus is that "head -1"
could be supported even if we don't yet have clear consensus on "head
-10". See today's revision to the SUS FAQ
<http://www.opengroup.org/austin/papers/single_unix_faq.html>.
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(rm): Destroy the saved_cwd here (via cwd_state),
if necessary, not in remove_dir. Otherwise, removing multiple
`.'-relative nonempty directories no longer worked.
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Problem reported by Edward Welbourne.
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operating on too many command-line-specified nonempty directories.
(remove_dir): Destroy the `struct saved_cwd' on the
top of the stack before returning. This usually closes the file
descriptor that was used to return to the original working directory.
Reported by Cyril Bouthors in
http://article.gmane.org/gmane.comp.gnu.core-utils.bugs/3048
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operating on too many command-line-specified nonempty directories.
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diagnostic when pathconf fails. This also avoids an unwarranted
warning from gcc-3.3.5 about a format not being a string literal.
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Change "path" to "file name" whenever possible.
Remove usage comment, as it was a duplication of the code or doc.
Include <wchar.h> if available.
(mbrlen, mbstate_t) [! (HAVE_MBRLEN && HAVE_MBSTATE_T)]: Define.
(NEED_PATHCONF_WRAPPER, PATH_MAX, PATH_MAX_FOR, NAME_MAX,
pathconf_wrapper, portable_chars, dir_ok): Remove.
(NAME_MAX_MINIMUM, PATH_MAX_MINIMUM): New macros.
(pathconf, _PC_NAME_MAX, _PC_PATH_MAX): Define if nonexistent.
(portable_chars_only): New arg FILELEN.
Don't assume ASCII; we might be on an EBCDIC host.
Don't assume unibyte locale in diagnostic.
(component_start, component_len): New functions.
(validate_file_name): Renamed from validate_path. All uses changed.
Pretty much a complete rewrite.
Don't make copy of file arg. Always append trailing slash to
pathconf arg, just in case it's a symlink (this is pure paranoia;
we don't know of any hosts where the trailing slash is required).
Use size_t instead of long int when possible.
Avoid need to call pathconf in most practical cases.
Don't use euidaccess several times to test searchability;
just use lstat once. Reword diagnostic to put the (often very long)
file names last.
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(gl_CHECK_ALL_TYPES): Require AC_TYPE_MBSTATE_T, for pathchk.
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OS limits, not file system limits. Component length checks
apply to all components, not merely to existing ones. Say
that nonexistent names are not errors. For -p, omit all
checks based on the underlying file system, not merely length
checks. Explain what the portabile file name character set is.
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