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* src/md5sum.c: Remove unnecessary inclusion of "quote.h".
* src/expr.c: Likewise.
* src/shred.c: Likewise.
* Makefile.maint (sc_prohibit_quote_without_use): New rule.
* src/c99-to-c89.diff: Adjust offsets.
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* src/system.h (emit_bug_reporting_address): New function.
* src/base64.c: Use it rather than a literal printf.
* src/basename.c, src/cat.c, src/chgrp.c, src/chmod.c:
* src/chown.c, src/chroot.c, src/cksum.c, src/comm.c, src/cp.c:
* src/csplit.c, src/cut.c, src/date.c, src/dd.c, src/df.c:
* src/dircolors.c, src/dirname.c, src/du.c, src/echo.c, src/env.c:
* src/expand.c, src/expr.c, src/factor.c, src/fmt.c, src/fold.c:
* src/head.c, src/hostid.c, src/hostname.c, src/id.c, src/install.c:
* src/join.c, src/kill.c, src/link.c, src/ln.c, src/logname.c:
* src/ls.c, src/md5sum.c, src/mkdir.c, src/mkfifo.c, src/mknod.c:
* src/mv.c, src/nice.c, src/nl.c, src/nohup.c, src/od.c:
* src/paste.c, src/pathchk.c, src/pinky.c, src/pr.c, src/printenv.c:
* src/printf.c, src/ptx.c, src/pwd.c, src/readlink.c, src/rm.c:
* src/rmdir.c, src/seq.c, src/setuidgid.c, src/shred.c, src/shuf.c:
* src/sleep.c, src/sort.c, src/split.c, src/stat.c, src/stty.c:
* src/su.c, src/sum.c, src/sync.c, src/system.h, src/tac.c:
* src/tail.c, src/tee.c, src/test.c, src/touch.c, src/tr.c:
* src/true.c, src/tsort.c, src/tty.c, src/uname.c, src/unexpand.c:
* src/uniq.c, src/unlink.c, src/uptime.c, src/users.c, src/wc.c:
* src/who.c, src/whoami.c, src/yes.c: Likewise.
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* src/expr.c (docolon): Free the regexp buffer using regfree, rather
than doing it manually, being careful to set fastmap to NULL first.
Free any re_regs.start and .end members, if necessary.
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* src/csplit.c (prefix): Likewise.
* src/printf.c (cfcc_msg): Likewise.
* src/tail.c (valid_file_spec): Likewise.
* src/cut.c (cut_file): Likewise, for a parameter.
* src/expr.c (str_value): Likewise.
* src/fold.c (fold_file): Likewise.
* src/pr.c (init_header): Likewise.
* src/dircolors.c (dc_parse_stream): Likewise, for a local.
* src/tr.c (make_printable_str): Likewise.
* src/nl.c (body_type, header_type, footer_type, current_type):
(separator_str, build_type_arg, nl_file): Likewise, for many.
* src/paste.c (main): Don't assign a read-only string to 'optarg'.
* src/tac.c (separator, tac_seekable, copy_to_temp): Likewise.
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substr's last operand is very large. Performance problem reported
by Sebastian Kreft.
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(eval4, eval3): Check for integer overflow.
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change from the old (Emacs) behavior, and POSIX allows us to treat [z-a]
as an empty range.
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what POSIX requires. Also, don't let anchors match
newline; this fixes an incompatibility with tradition and with POSIX.
Don't warn about leading ^. POSIX says it is unspecified whether
^ is a special character, which means that implementations can
either treat it as special or not, but either way a warning is not
allowed (unless the regexp is otherwise invalid). Instead, anchor
the expression but treat ^ as an anchor; this is the traditional
behavior (e.g., Solaris 10).
(eval4, eval3, eval2): Treat non-numeric args, division by zero,
and the like as invalid expressions (exit status 2), not as
failure of 'expr' (exit status 3). This is more consistent with
how Solaris behaves.
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Don't bother allocating a buffer.
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remove quotes from the string, too.
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Include "quote.h".
Rather than this: error (..., "...`%s'...", arg);
do this: error (..., "...%s...", quote (arg));
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(looks_like_integer): New function.
(toarith): Use it. Also, use xstrtoimax rather than rolling our
own diagnostics.
(eval2): Don't look for trouble if !evaluate; this simplifies things.
Compare numbers using string comparison, so that overflow is
not possible.
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rather than suffering silently.
Before, expr would silently overflow and wrap around:
$ expr 9223372036854775808 = 0 # $(echo 2^63|bc)
1
Now it detects the problem and exits nonzero:
$ ./expr $(echo 2^63|bc) = 0
./expr: 9223372036854775808: integer is too large
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by Debian 5.2.1-2.
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reference to obsolescent macro XMALLOC.
All uses replaced by xmalloc and free.
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too few operands ("missing operand after `xxx'") or
too many operands ("extra operand `xxx'").
Include "quote.h" and/or "error.h" if it wasn't already being included.
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Accept a bool argument specifying whether to evaluate the
expression. This is to allow short-circuit evaluation. All
callers changed.
(null): Report that a string is zero even if it has
a form like "-0" or "00".
(eval1, eval): Use short-circuit evaluation for | and &.
(eval): Return 0 if both arguments are null or zero, instead
of returning the first argument.
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(main): Use initialize_exit_failure rather than
setting exit_failure directly; this optimizes away redundant assignments.
(EXPR_FAILURE): Renamed from EXPR_ERROR, for
consistency with the other programs' naming conventions.
All uses changed.
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parse_long_options, so that it works even on systems for which
sizeof char* != sizeof int.
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of 2003-09-19. Now, AUTHORS is a comma-separated list of strings.
Update the call to parse_long_options so that `AUTHORS, NULL' are the
last parameters.
* src/true.c (main): Append NULL to version_etc argument list.
* src/sys2.h (case_GETOPT_VERSION_CHAR): Likewise.
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Begin each WRITTEN_BY string with `Written by ' and end it with `.'.
Mark each WRITTEN_BY string as translatable.
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the call to parse_long_options so that `AUTHORS, NULL' are the last parameters.
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Don't include closeout.h.
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(EXPR_INVALID, EXPR_ERROR): New constants.
(nomoreargs, null, toarith, nextarg): Return bool, not int.
(syntax_error): New function, exiting with status 2. Use it
insteading of printing "syntax error" ourselves.
(main): Initialize exit_failure to EXPR_ERROR.
Exit with EXPR_INVALID on syntax error (too few arguments).
(nextarg): Use strcmp, not strcoll; strcoll might return
an undesirable 0, or might fail.
(docolon, eval4, eval3): Exit with status 3 on invalid argument type
or other such error.
(eval2): Report an error if strcoll fails in a string comparison.
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xrealloc, and xcalloc return values and of xrealloc's first argument.
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`exit (1)' to `exit (EXIT_FAILURE)', and
`usage (1)' to `usage (EXIT_FAILURE)'.
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instead of hard-coding --help and --version descriptions.
Split --help output into smaller pieces.
Use fputs, not printf.
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