UTF-8 support: In a UTF-8 locale, properly align columns in the
presence of zero-width and double-width characters and replace
non-printable codepoints and invalid bytes with ASCII question
marks. N

UTF-8 support: In a UTF-8 locale, properly align columns in the
presence of zero-width and double-width characters and replace
non-printable codepoints and invalid bytes with ASCII question
marks. No change in the C/POSIX locale.
As a side effect, get rid of all pointer to pointer variables
and simplify some of the code.

Partially based on ideas from tedu@.
Feedback and OK czarkoff@, OK tedu@.

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Fix the obvious bug that with -z, every column was at least as wide
as the previous one. While here, shorten the -z code by one line.

With -H, do not overrun your static buffer on files longer than 4 kB.
With -K, do not print bogus blank lines in case of premature EOF.

While here, completely rewrite get_line() in a modern style us

With -H, do not overrun your static buffer on files longer than 4 kB.
With -K, do not print bogus blank lines in case of premature EOF.

While here, completely rewrite get_line() in a modern style using
getline(3), ferror(3), strdup(3), and ssize_t for line lengths.
Completely get rid of the static buffer.
I wouldn't be very surprised if this fixes even more bugs
than the two ones mentioned above.

OK (and "amazing") deraadt@

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Change all tame callers to namechange to pledge(2).

data processing stdin to stdout; tame "stdout"

Do not cast result of malloc/calloc/realloc* if stdlib.h is in scope
ok krw millert

userland reallocarray audit.

Replace malloc() and realloc() calls that may have integer overflow in the
multiplication of the size argument with reallocarray().

ok deraadt@

Include unistd.h as it is the standard location for getopt().
From Eitan Adler

don't try to stuff ptr differences into an int; from Arto Jonsson; ok espie@

In preparation for getline and getdelim additions to libc, rename getline()
occurrences to get_line().
Based on a diff from Jan Klemkow <j-dot-klemkow-at-wemelug-dot-de> to tech.

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(th

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

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sort flags.

use calloc() to avoid malloc(n * m) overflows; checked by djm canacar jsg

Three undocumented options got lost in the conversion to getopt(3).
Remove their remaining code, since they were not working before.

Initial diff from Steffen Wendzel.

ok millert@

oops. grasp of alphabet...slipping...

Make usage/SYNOPSIS saner and sort the options. With jmc@

Replace homegrown getnum() with strtonum() and replace atoi() with
strtonum() and strtol().

kill commented out code

make this use getopt()

use NULL for pointers. from Joris Vink

better realloc. ok deraadt@

mostly ansi cleanup; pval ok

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

Part one of userland __P removal. Done with a simple regexp with some minor hand editing to make comments line up correctly. Another pass is forthcoming that handles the cases that could not be don

Part one of userland __P removal. Done with a simple regexp with some minor hand editing to make comments line up correctly. Another pass is forthcoming that handles the cases that could not be done automatically.

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kill more registers

millert@ ok