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EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
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(one which strips trailing slash and one which does not)
wget: straighten out as a result of above change
text data bss dec hex filename
5056 1 0 5057 13c1 busybox.t4/networking/wget.o
5022 0 0 5022 139e busybox.t5/networking/wget.o
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trylink: explain how to modify link and drastically decrease amount
of padding (unfortunately, needs hand editing ATM).
*: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts
size saving: 0.5k
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init_main 929 920 -9
bb_daemonize_or_rexec 145 127 -18
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correct_password: explain in detail why it is ok to use bb_banner
fsck_minix: make it print bb version, not it's own (outdated/irrelevant) one
Marginal size difference:
text data bss dec hex filename
679119 2700 15632 697451 aa46b busybox_old
679091 2700 15632 697423 aa44f busybox_unstripped
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function old new delta
bb_PATH_root_path - 35 +35
varunset 60 58 -2
arith 2042 2033 -9
bb_default_root_login_path 30 - -30
.rodata 128794 128762 -32
which_main 152 117 -35
defpathvar 40 - -40
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(add/remove: 1/2 grow/shrink: 0/4 up/down: 35/-148) Total: -113 bytes
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*: s/include "busybox.h"/include "libbb.h"
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init_shared.[ch]: unused, thus deleted
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no preceding prototype
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init: fix warnings
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(patch from Gabriel L. Somlo <somlo@cmu.edu>)
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executable if we asked to exec someting with argv[0] == known_applet"
Use it in init. Also respect PATH in init, remove explicit "/sbin" etc
from exec. Patch by Gabriel L. Somlo <somlo@cmu.edu>
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fix sleep-on-die option
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last xcalloc replaced by xzalloc
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Found bad typo in largefile support :)
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Few bugs are now exposed...
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(the e2fsprogs directory is too twisty and evil to easily fix, but I plan
to rewrite it anyway so I'll just bump that up in priority a bit).
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xlseek and fdlength() for the new mkswap.
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init's argv[1], so if you append "single" to your kernel command line and
the kernel doesn't parse it, RUNLELEL=single.
Plus a few unrelated header cleanups while I was in the area...
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rather than "it's done", and combine with reboot handler to save space.
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text data bss dec hex filename
5379 32 8 5419 152b init/init.o.oorig
5358 32 8 5398 1516 init/init.o
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http://www.opengroup.org/onlinepubs/009695399/functions/waitpid.html suggests
that we need not specify a status if we don't want, and we don't.
"If wait() or waitpid() return because the status of a child process is available, these functions shall return a value equal to the process ID of the child process. In this case, if the value of the argument stat_loc is not a null pointer, information shall be stored in the location pointed to by stat_loc. "
text data bss dec hex filename
5391 32 8 5431 1537 init/init.o.06
5379 32 8 5419 152b init/init.o
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- add second argument to waitfor(*action,pid); if action==NULL then use pid tor
wait for. If an action was given, we wait for the action to finish just as
before. In run() remove second and third occurance of the same functionality
the waitfor() call now provides.
Adjust the former only caller of waitfor accordingly.
PS: Not using waitfor but creating a second function used a few bytes more than
simply extending and reusing waitfor.
text data bss dec hex filename
5426 32 8 5466 155a init/init.o.orig
5391 32 8 5431 1537 init/init.o
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text data bss dec hex filename
5432 32 8 5472 1560 init/init.o.r15220
5426 32 8 5466 155a init/init.o
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text data bss dec hex filename
864434 10244 645892 1520570 1733ba busybox_old
864386 10244 645892 1520522 17338a busybox_unstripped
add/remove: 1/0 grow/shrink: 0/2 up/down: 92/-143 (-51)
function old new delta
open_new_terminal - 92 +92
exec_signal 345 276 -69
run 1527 1453 -74
Again, 48 != 51 so let's trust the former..
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- use shorter boilerplate while at it
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It makes busybox invoke the libselinux library function to load the binary
policy right at system start-up. It was successfully tested on a mini-SELinux
system. Note: requires recent libselinux. I'm using 1.28.
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