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Update the TODO list to reflect stuff we've already done.
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TODO
49
TODO
@ -2,15 +2,8 @@ Busybox TODO
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Stuff that needs to be done
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tr - missing SuS3 features in busybox 1.0pre10
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tr doesnt support [:blank:], [:digit:] or other predefined classes, [=equiv=]
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support is also missing.
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----
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find
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doesn't understand () or -exec, and these are actually used out in the real
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world. The "make uninstall" of lots of things (including busybox itself)
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breaks because of this, and sometimes even "make install" (like udev).
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doesn't understand (), lots of susv3 stuff.
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----
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sh
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The command shell situation is a big mess. We have three or four different
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@ -22,15 +15,6 @@ sh
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Note: Rob Landley (rob@landley.net) is working on this one, but very slowly...
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---
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gzip
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Can't handle compressing multiple files at once. (I don't mean making a
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multiple file archive, I mean compressing more than one file at a time.)
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Some global variables aren't re-initialized between runs.
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---
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gunzip
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same problem as gzip. "gunzip one.gz two.gz three.gz" doesn't work for
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two.gz and three.gz due to global variables not getting reset.
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---
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diff
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We should have a diff -u command. We have patch, we should have diff
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(we only need to support unified diffs though).
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@ -46,7 +30,7 @@ man
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It would be nice to have a man command. Not one that handles troff or
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anything, just one that can handle preformatted ascii man pages, possibly
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compressed. This could probably be a script in the extras directory that
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calls cat/zcatbzcat | more
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calls cat/zcat/bzcat | less
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---
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bzip2
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Compression-side support.
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@ -74,7 +58,7 @@ Unify archivers
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if it becomes relevant.
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---
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Text buffer support.
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Several existing applets and potential additions (sort, vi, less...) read
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Several existing applets (sort, vi, less...) read
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a whole file into memory and act on it. There might be an opportunity
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for shared code in there that could be moved into libbb...
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---
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@ -89,20 +73,23 @@ Individual compilation of applets.
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got the code for (like zlib).
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---
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buildroot - Make a "dogfood" option
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Busybox is now capable of replacing most gnu packages for real world use,
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such as developing software or in a live CD. A system built from busybox
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(1.00 with updated sort.c), uclibc 0.9.27, gcc, binutils, make, and a few
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other development tools (http://www.landley.net/code/firmware has an example
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system using autoconf, automake, bison, flex, libtools, m4, zlib,
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and groff: dunno what subset of that is actually necessary) is capable of
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rebuilding itself, from scratch, under itself.
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Busybox 1.1 will be capable of replacing most gnu packages for real world use,
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such as developing software or in a live CD. It needs wider testing.
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Busybox should now be able to replace bzip2, coreutils, e2fsprogs, file,
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findutils, gawk, grep, inetutils, less, modutils, net-tools, patch, procps,
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sed, shadow, sysklogd, sysvinit, tar, util-linux, and vim. The resulting
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system should be self-hosting (I.E. able to rebuild itself from source code).
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This means it would need (at least) binutils, gcc, and make, or equivalents.
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It would be a good "eating our own dogfood" test if buildroot had the option
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of using busybox instead of bzip2, coreutils, file, findutils, gawk, grep,
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inetutils, modutils, net-tools, procps, sed, shadow, sysklogd, sysvinit, tar,
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util-linux, and vim. Anything that's wrong with the resulting system, we
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can fix. (It would be nice to be able to upgrade busybox to be able to
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replace bash, diffutils, gzip, less, and patch as well.)
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of using a "make allyesconfig" busybox instead of the all of the above
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packages. Anything that's wrong with the resulting system, we can fix. (It
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would be nice to be able to upgrade busybox to be able to replace bash and
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diffutils as well, but we're not there yet.)
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One example of an existing system that does this already is Firmware Linux:
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http://www.landley.net/code/firmware
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---
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Memory Allocation
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We have a CONFIG_BUFFER mechanism that lets us select whether to do memory
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