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This is a 15 year old freebsd extension (presumably thus also available on
MacOS) that glibc adopted in 2004, uClibc adopted in 2005, and bionic
supports. The only thing that DOESN'T support it is musl, once again
because its maintainer explicitly decided not to
(https://www.openwall.com/lists/musl/2013/01/15/26), so add an #ifdef
to let musl stay uniquely broken. (It'll stop at first NUL, everything
else can match NULs).
Finally fixes "s/x/y/g on a megabyte line of x's takes forever" issue.
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And remove a "nine princes in amber" themed name I missed.
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Don't strlen() to find NUL to skip to until after we've confirmed first
section hasn't got a match (by calling regexec() on it).
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Instead have one target string and fill it out from start to finish writing
to each location once.
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Found when trying to update the toybox prebuilt used for the Android
build.
Also add the corresponding test.
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They're forwarded to libprocessgroup, but we may as well go straight to
the source since neither library is in the NDK anyway.
This code is unfortunate because it means that even `toybox true` ends
up pulling in a JSON parser at runtime, because ps might call
get_sched_policy/get_sched_policy_name. I'll experiment with
dlopen-on-demand in portability.c and see whether the savings are
worthwhile, but for now at least use the current library directly so we
can save *one* dlopen!
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(This and `git clone` is how I use the latest man7.org pages all the
time instead of my system's man pages.)
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This is what GNU tar does, so Android's build system jail allows
bzip2, gzip, and xz, but not bzcat, zcat, and xzcat.
Why the function? Because auto-detection works by setting toyflags, so
we need to make sure we test the flags late, so it's either two copies
of this or a function.
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POSIX finally gave us a way to use echo in a portable way despite
differences of opinion about whether to default interpretation of escape
sequences to on or off: -e enables and -E disables (as already
implemented by busybox and coreutils).
http://austingroupbugs.net/view.php?id=1222
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Exec -k value as regex on basename, and on the first content line
outside a tag or on a referenced see-other, whichever appears earlier.
Reuse zcat choice as a function when looping over files. Fix \-\- and
glob.h include leftover. Handle man-pages example newlines. Clarify the
todos, naming package and issue. Remaining items are more of a wishlist
than a plan. Remove `<1>2` because it doesn't let `-k .` work, please
look into that.
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The permissions preservation test still fails for me, but that seems to
be because my environment changed: it's failing because of my umask.
I'll fix that in a separate patch, since it's unrelated.
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Also fix the non-tty output.
Also tweak our output so the tests pass with TEST_HOST=1 too.
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Use a real .class file and add tests for the other formats that file(1)
recognizes and we already have sample input in tests/files/.
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We keep regressing on this, and the ELF stuff is quite complicated, so
even though checking in binaries isn't my first choice, this seems like
a good use of 20KiB...
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Commit 9448c33944651c1644ffbd0f52cf9d43cae19599 broke ELF note parsing,
because the bounds checking was off. Fix that but also generalize it so
that we won't need note-specific bounds checking in future.
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It hasn't been needed (for clock_gettime) since glibc 2.17 came out in
December 2012 (which is more or less our 7 year support horizon) and
Devuan 2.0 is not eliminating this with --as-needed (presumably due
to some weak symbol nonsense), so... fix that bug.
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libbuf instead of toybuf in lib/
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Reimplemented to command mode execution to follow vi cmd pattern.
(REG)[COUNT0]{CMD}[COUNT1]<MOV>(SYM)
Most of the moves can be executed intependently or before command,
some require character after. (possibly with utf8)
Some of the commands do not require move, such as D, J, dd, yy, x...
There is also tons of special cases where move behaves differently
depending on command. For example 1cw and 1ce appear to be the same
but 1dw and 1de are not...
Most of the operations still need reimplementing and lots of cleanup
in order them to behave correctly
refactored word move to work with utf-8
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There's probably more to do, but it seems usable at this point.
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To look up docs on my netbook and server. Practically deroff.1, with
heuristic for where to put spaces and newlines. How would you simplify
file resolution and bzcat? What have I got wrong when escaping slashes,
because while \-\^\- is -- ok, \-\- becomes -\-, e.g. in git-pull.1?
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leaking memory), and mod env command to test it.
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web archives, link to another web archive as a backup.
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Commands that want something different can override this, but it seems like
a fairly minor optimization and write(1) exists if we want to micromanage...
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Although we can get away with ignoring termcap/terminfo on the output
side by restricting ourselves to generally-supported escape sequences,
the input side is trickier because we need to support the sequences sent
by common terminals. Luckily, this isn't is as bad as it sounds because
only Home/End commonly differ. But it does mean we need a slightly
different implementation to deal with the many-to-one mapping.
Since we can't use TAGGED_ARRAY for this (without inflicting pain on all
the callers) I've also switched to OR-ing in the modifier keys, so we
have (say) KEY_UP|KEY_SHIFT rather than a separate KEY_SUP. This also
generalizes better should we ever need to support multiple modifiers at
once.
To reduce the number of #defines, I've also switched from KEY_F1,
KEY_F2, and so on to KEY_FN+1, KEY_FN+2, and so on. This isn't obviously
necessary, and easily undone if we'd rather have move #defines in return
for slightly more natural naming.
To enable all this, I've inverted scan_key and scan_key_getsize so that
scan_key_getsize is now the underlying function, and we don't waste all
the top bits encoding width and height between scan_key and
scan_key_getsize.
Tested by pressing Home and End in hexedit in all of the terminals
available to me.
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