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more linked lists), basis for supporting a cpio (and cheaper untar) applet, but cpio applet isnt included in this.
It effects ar, dpkg-deb applets only
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by Larry Doolittle.
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Jari Ruusu <jari.ruusu@pp.inet.fi>
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done by Evin Robertson (bug#1105) and work from Manuel to make
usage messages occupy less space and simplify how usage messages
are displayed.
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busybox.h which slowed compiles. I left only what was needed and then fixed up
all the apps to include their own header files. I also fixed naming for pwd.h
and grp.h functions. Tested to compile and run with libc5, glibc, and uClibc.
-Erik
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cruft, make code conform closer to style guide, saves 350 Bytes.
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compliant with the style guide. Everybody rebuild your tags file!
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more descriptive name, and as per the style guide.
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-Erik
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segfaulting or handling errors the same way themselves.
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The previous ar.c fialed to recognise one record in .debs
Experimental tar support, this is currently *very* cheap because ar and
tar are functionally similar. It will need lots of testing so by
default tar support code is defined out.
To test uncomment the line "#define BB_AR_EXPERIMENTAL_UNTAR"
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robotti@metconnect.com so that 'ar -xv' and 'ar -x -v'
both work.
-Erik
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option enable a Recursive extraction (or listing) to take place.
i.e. if any files being extracted are themselves ar archives then
busybox ar will extract their contents as well.
e.g. take bar.deb and do (with GNU ar) ar -q foo.deb b.ar
then with busybox ar can do ar -x b.ar data.tar.gz
-R isnt used for anything in GNU ar so i think it should be ok, could
have used long options
This functionality will become (more) usufull with tar, gz support.
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archive is now assumed to be the first non parameter.
This is how GNU ar behaves.
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If no filenames are specifed to be (extracted/listed) it will act on
all files in the archive (i dont think the old version did this)
Code is structured to better support upcoming recursive extraction
functionality.
The old code was a bit strange in places, dont know what i was thinking.
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function extractAr(srcFD, dstFd, filename) to make it easily accessable to other busybox functions.
moved copySubFile from ar.c to utilities.c
modified dd.c to use fullWrite
modified copyFile in utilities.c to use copySubFile
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-Erik
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simplify ar.c and make it more readable.
-Erik
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------------------------------
the attached diff applies to the ar.c i originally submitted
Changes
Preserve dates now works.
Extracted files are set to the uid, gid and mode specified in the
archive.
Checks for valid end of header marker.
Correctly unpacks newer debian files. (has a '\n' character between
entries)
Added more comments.
Cleaned up code.
Added a last modified date to help keep track of versions.
TODO
Common functionality in ar.c are in tar.c should be merged, in
particular getOctal and extractSubFile.
Should all functions that are used by multiple file go in utilities.c ?
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TODO list. Add Glenn to the Authors list for writing a mini ar for BusyBox,
which is now included.
-Erik
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