Use it where appropriate.
Stop scanning /etc/passwd *for every process*!!! (uid->username)
top: reduce memory usage - we won't save unneeded fields
from /proc info anymore. Downside: ~+250 bytes of code
It is impossible to formulate sane ABI based on
size of ulong because it can be 32-bit or 64-bit.
Basically it means that you cannot portably use
more that 32 option chars in one call anyway...
Make it explicit.
generated binaries, to make copyright enforcement easier. Our liason with
them (Bradley Kuhn) suggested the following text:
> Copyright (C) YEAR-2006 Erik Andersen, Rob Landley, and others.
> Licensed under GPLv2. See source distribution for full notice.
And the busybox help message seems the least offensive place to put it. (At
some point in the future, I need to strip 128 bytes from the binary to feel
good about this, though. :)
Minor header file cleanup while I was there, since libbb.h already #includes
most of that stuff...
We've had -Werror in the tree for quite a while, so adding #warning
somewhat counterproductve way to make comments on the code that belong on the
mailing list anyway.
I don't know why patch decided to apply this even though it was already in
the tree. I thought the other hunks failed because they were totally
unrelated leakage from Bernhard's tree (which they are; was the a reason
for bundling them in with this fix? Do they have something to do with
the GCC 2.95 fix? I suspect they prevent me from backporting this
patch to 1.2.2 because the header consolidation into libbb.h hadn't
been done yet, and no I'm not fixing it up: if that's the case then
this patch won't be in 1.2.2 due to extraneous changes bundled with it that
prevent a clean backport without rolling a new patch).
option - it was going to return a special flag back to caller and
expecting caller to call it again with special parameter! Also
caller was charged with calling mount() syscall...
mount: mtab support was non-functional. Enabling it revealed serious bug
which is not fixed yet.
few new (unfinished) config options, which I intend to make hidden (but
enabled) when CONFIG_NITPICK is disabled. Getting the .config infrastructure
to do that is non-obvious, it seems...
teach scripts/individual new tricks. And while I'm at it, teach
scripts/individual other new tricks. Now builds 198 applets, some of which
I should teach it to hardlink together because they're really the same app...
were using "1" as one of the arguments anyway, and as for the rest a multiply
and a push isn't noticeably bigger than pushing two arguments on the stack.
things like xasprintf() into xfuncs.c, remove xprint_file_by_name() (it only
had one user), clean up lots of #includes... General cleanup pass. What I've
been doing for the last couple days.
And it conflicts! I've removed httpd.c from this checkin due to somebody else
touching that file. It builds for me. I have to catch a bus. (Now you know
why I'm looking forward to Mercurial.)
untangle them:
Rewrite u_signal_names() into get_signum() and get_signame(), plus trim the
signal list to that required by posix (they can specify the numbers for
the rest if they really need them). (This is preparatory cleanup for adding
a timeout applet like Roberto Foglietta wants.)
Export the itoa (added due to Denis Vlasenko, although it's not quite his
preferred implementation) from xfuncs.c so it's actually used, and remove
several other redundant implementations of itoa and utoa() in the tree.
what to exec. Add -f mode and a brief explanation of how to use it to replace
minicom. Add -l -l mode so you can turn any command into a server. And group
all of netcat's command line options under two CONFIG entries, so if you
disable both it doesn't use getopt at all.
Both Jason Schoon and Giuseppe Ciotta deserve credit for this, I used elements
of both. It's been upgraded so that you can specify that a given command
should run at create, at delete, or at both using different special characters
(@, $, and * respectively). It uses the system() method of running command
lines which means you can use environment variables on the command line (it
sets $MDEV to the name of the current device being created/deleted, which is
useful if you matched it via regex), and the documentation warns that you need
a /bin/sh to make that work, so you probably want to pick a default shell.
fallout due to the #include <sys/mount.h>. Removed that #include from various
applets and fixed up those that were unhappy when that #include was made
because they'd block copied stuff out of it. (Sigh.)
the start of the path. (This should be under the same config option as
the standalone shell, but right now that's buried in the shell menu.)
Also add the ability to specify CONFIG_BUSYBOX_EXEC_PATH with /proc/self/exe
as an overrideable default.
moved the contents of libbb/bb_echo.c back into coreutils/echo.c,
which is a more reasonable place for them than libbb. this
forces anyone who wants echo and test to be builtin to ash to
also have them available as applets. their cost is very small,
and the number of people who wouldn't want them as applets is
also very small.
added warning about shell builtins vs. CONFIG_FEATURE_SH_STANDALONE_SHELL,
which conflicts with their use.
thanks to nathanael copa for debugging help.
some string size optimization in test.c may have been lost with
this commit, but this is a good new baseline.
can figure out what header files to include, and override stuff that comes
later. But applets shouldn't include platform.h directly, they should include
busybox.h or libbb.h. Since busybox.h already includes libbb.h, move libbb.h
to the top of busybox.h and platform.h near the top of libbb.h (right after
bbconfig.h, which is something platform.h also needs access to).
While we're at it, move some stuff from busybox.h to libbb.h so we have one
big file to audit/clean up/try to make sense of instead of many.
the following of which (from cat.c) belongs in svn history instead of the
source code:
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
* This is a new implementation of 'cat' which aims to be SUSv3 compliant.
*
* Changes from the previous implementation include:
* 1) Multiple '-' args are accepted as required by SUSv3. The previous
* implementation would close stdin and segfault on a subsequent '-'.
* 2) The '-u' options is required by SUSv3. Note that the specified
* behavior for '-u' is done by default, so all we need do is accept
* the option.
*/
This needs a second pass to:
+ add bb_daemon(unsigned char no_chdir, unsigned char no_close, const char*flag)
+ eventually globally export argc and argv, so we don't need to pass it to
bb_daemon().
files still using them. I didn't remove them from e2fsck.c to avoid stomping
pending cleanup patches from Garrett, and I didn't bother to remove them from
fdisk.c because that entire file needs to be rewritten from scratch.
- add ATTRIBUTE_ALWAYS_INLINE, endian handling for DEC UNIX, some more
compiler dependent defines to platform.h
- add conditional bb_setpgrp define to platform.h
- remove superfluous specifying args from "#define fdprintf dprintf"
another... This adds bb_xspawn() support, which does vfork/exec. (I don't
know why using a static instead of a local adds ~40 bytes, but using
the local doesn't work...)
handle packets out of sequence if some data goes through the buffer and
some doesn't, B) it works on systems that can't handle aligned access,
C) we just have one code path to worry about.
While we're at it, sizeof() and RESERVE_CONFIG_BUFFER() really don't combine
well, which is why md5sum has been reading and processing data 4 bytes at a
time. I suspect that the existence of CONFIG_MD5_SIZE_VS_SPEED to do loop
unrolling and such in the algorithm was an attempt to work around that bug.
the side of the tree doesn't _COUNT_, and I will not ship it.
Udhcp was deleted shortly after I posted my philosophy for what should and
shouldn't go into busybox:
http://www.busybox.net/lists/busybox/2006-March/019484.html
I complained about the change t the time. I've complained repeatedly since.
But nobody felt like fixing it. External dependencies are something to be
minimized. I don't care about the ability for packages to build outside
busybox: something is either part of busybox, or it isn't. If I convert any
part of the external udhcp repository to use libbb, I've broken the external
package. Any random cleanups that touch that directory suddenly have to worry
about external dependencies that are NOT OUR PROBLEM. Therefore, that
directory is not and cannot be part of busybox. Wishful thinking isn't going
to change that. I will not ship something I can't maintain.
I'll try to get a new dhcp client and server in before the ship window closes,
but I have a half-dozen other projects pending. I'm sorry this happened, but
I'm not the one who removed it, and I'm not the one who ignored the project
maintainer's repeated complaints about the situation for the next month and a
half.
Here's my attempt at a mini diff applet - it's adapted from the code at
http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/diff/, and only supports
unified diffs.
I've busyboxified everything to a reasonable degree, so I think the code is
suitable enough to be included, but there's still a fair bit of cleaning up
to be done.
For each CONFIG_SYMBOL, include/bb_config.h now has both ENABLE_SYMBOL
and USE_SYMBOL(x). ENABLE_SYMBOL is still always defined (1 or 0) so that
if(ENABLE) should optimize out when it's zero. The USE_SYMBOL(X) will only
splice in X if the symbol is defined, otherwise it'll be empty.
Thus we can convert this:
#ifdef CONFIG_ARGS
opt = bb_getopt_ulflags(argc, argv, "ab:c"
#ifdef CONFIG_THINGY
"d:"
#endif
, &bvalue
#ifdef CONFIG_THINGY
, &thingy
#endif
);
#endif
into this:
if (ENABLE_ARGS) {
opt = bb_getopt_ulflags(argc, argv, "ab:c" USE_THINGY("d:"), &bvalue
USE_THINGY(, &thingy));
}
And it should produce the same code.
Unlike the old versions in include/_usage.h, the new USE_SYMBOL(x) can handle
commas in its arguments (as shown above). (The _usage.h file is obsolete and
no longer generated.)
Nobody should need to include config.h directly anymore, bb_config.h should
define all the configuration stuff we need. Someday, the CONFIG_SYMBOL
versions should go away in favor of ENABLE_SYMBOL and USE_SYMBOL().
Thanks to vodz for the new version of bb_mkdep.c that works with function
macros.
Somehow while applying the bb_do_delay patch a change slipped
in libbb.h that broke compilation.
libbb.h Line 355
extern char bb_path_mtab_file[];
This conflicts with mtab_file.c
#if defined(CONFIG_FEATURE_MTAB_SUPPORT)
const char bb_path_mtab_file[] = "/etc/mtab";
#else
const char bb_path_mtab_file[] = "/proc/mounts";
#endif
Not buying it, eh?
I know I said new features before 1.1, but, well... (I was weak!)
The config file and hotplug modes aren't implemented yet. Might take a stab at
those tomorrow. (I _should_ go back to focusing on the bug triage list.)
CONFIG_ symbol in the kernel, and this clashes with busybox's CONFIG_TR
and CONFIG_WATCHDOG, causing applets.h to barf if they're not switched
on (since the broken headers don't affect kconfig or the makefiles).
Since such broken kernel headers are common enough to crop up every few
months, a simple work around is to move TR and WATCHDOG from CONFIG_
to ENABLE_ early.
messages, C) can show the current association (if any) when called
with only one argument. Update the documentation a lot too.
Remind me to add a test suite for this thing. I think I've figured out
how to handle root-only testsuites...
fixes bug #113 and satisfies a personal need at the same time.
output compares identically to util-linux version. (with
exception of whitespace differences on last lines of output with
non-uniform length, which are neither fixed nor worsened by this
change.)
