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mbtowc(0, 0, 4) is weird, and ignoring the result is weird. Avoid all
this by just reusing the toybox lib utf8 functions.
Also fix the row/column display on the status line to count from 1 and
correctly distinguish bytes and characters in non-ASCII, and change the
mode output to only explicitly say when we're in insert mode, in the
same way that vim does. (Every time I saw the old blue-on-black text for
COMMAND I thought toybox vi had crashed!)
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bionic works around the fact that you can't use an O_PATH fd with
fgetxattr(2), but glibc doesn't.
Fixes https://github.com/landley/toybox/issues/158.
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Basic readelf(1) implementation, with output close enough to the binutils
version to be usable with scripts that expect the binutils version. This
started as an implementation of nm(1) until I realized that I almost always
want readelf instead, and that you actually have to do much of the work
needed for readelf just to implement nm. Arguably nm (being part of POSIX)
belongs in toybox while readelf doesn't. An argument could also be made that
neither really belongs in toybox, belonging in a separate set of development
tools (such as binutils or the LLVM binutils).
Doesn't support most of the architecture-specific stuff, most notably
relocations, but is aware of things like ARM exidx sections and the common
register state notes in core dumps for the "big four" architectures: arm,
arm64, x86, and x86-64.
Doesn't support symbol versions (but probably should).
Doesn't support section groups or the -t "section details" (which is a long
form of -S "section headers" that I've never seen used in practice and which
isn't part of -a). Doesn't support dumping unwind info or the hash table
bucket histograms.
Reuses the table of ELF architectures from file(1).
Not fuzzed, but successfully parses all the ELF files in my Ubuntu 18.04
system's lib directories. Attempts to exit with an error when presented with
an invalid ELF file rather than struggle on as binutils seems to.
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Odd (and un-toyboxy) that we advertise the locale-specific output
formats but not the ISO ones :-)
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One of these tests fails in the gap between the locale it's run in
changing the year and Europe/Berlin's changeover (caught by our
automated testing, which tends to celebrate every new year by finding
mistakes in tests like this).
Another test has been failing consistently since 2020 because the
default date output format includes the day of the week. Rather than
implement Zeller's Congruence in the shell, explicitly use a format that
doesn't include the day of the week for that test (and reuse the
now-fixed calculation of the current year used by the other
year-sensitive test).
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set $HOME $PWD and $OLDPWD, fix prompt \w, shuffle some functions around
to avoid prototypes, implement tilde expansion, add FORCE_COPY.
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builtin, and add -u.
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This doesn't (yet) add shell builtin awareness to time, kill, or pwd,
just lets them run in the shell process.
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a full block.
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output #definable.
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Clear the last byte of the allocated buffer.
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Switch -t to -c (like man page says), add -w (wait) and -d (detach from tty)
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It turns out that zlib defaults to just copying data verbatim if the
input isn't in gzip format, rather than rejecting it. Explicitly add a
check that zlib isn't doing that. (The toybox inflation path already
errors out.)
Also add the missing test.
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Add basic smoketest while we're at it.
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POSIX only mentions -i/stdin, but GNU patch -- and Larry Wall's patch 1.3,
found via https://en.wikipedia.org/wiki/Patch_(Unix) -- also support
supplying the name of the file to patch and the name of the patch file
as optional arguments.
The AOSP build makes use of this syntax to patch snakeyaml to remove
references to java.beans.* stuff.
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