udhcp: add inline docs; small code shrink

function                                             old     new   delta
send_packet                                          103      87     -16
udhcpc_main                                         2359    2323     -36

udhcpc: fixlet for previous commit

udhcp: added some FIXMEs; code shrink. -49 bytes

Markus Heidelberg writes:
* document --nicelevel in Config.in
* usage: --verbose is the fancy option, not --quiet

- add less -I to be able to search case-insensitively
  +17b, but the helptext is quite elaborate, thus:
function                                             old     new   delta
.rodata                                           118995  119032     +37
packed_usage                                       24731   24767     +36
regex_process                                        284     300     +16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 89/0)               Total: 89 bytes

- commentary typo fix

nmeter: 4k buffers are too small for /proc files,
 make them dynamically sized with 16k upper limit. +75 bytes

libpwdgrp: make it coexist with <pwd.h>, <grp.h> and <shadow.h>.
 allows to get rid of hacks in libbb.h (extra declaration of setgroups -
 now it comes from grp.h as intended).

dhcp: add FAST_FUNC as appropriate. -160 bytes.

dhcpc: treat "discover...select...discover..." loop the same way
 as "discover...discover...discover..."

fix usage text - s/USE_GETOPT_LONG/USE_FEATURE_xxxLONG_OPTIONS/
 by Markus Heidelberg (markus.heidelberg AT web.de)

- add dpkg -l <packagepattern> (Peter Korsgaard)

- update my name. No obj-code changes ;)

- improve helptext

top: fix "top -d 1" (bug 5144)

top: don't lie in help screen about "-d 1" being valid

top: fixes to prev commit: '1' should toggle SMP view too;
 "cpu ..." line should be parsed unconditionally
top: do not truncate loadavg string. More info -> better

- fix compilation on OSF/1

top: optional SMP support by Vineet Gupta (vineetg76 AT gmail.com)

df: unsigned long needs %lu

whitespace fixes

return setgroups() decl to libbb, it is needed if we use libpwdgrp.

we dont provide setgroups() replacement, so dont provide the prototype either ... especially since it conflicts on some systems (like Darwin)

runsvdir: conditionalize "log in argiment" (mis)feature. By Vladimir.
 with:
runsv                                                139     141      +2
runsvdir_main                                       1583    1513     -70

 without:
warn2_cannot                                          14      27     +13
runsv                                                139     141      +2
warnx                                                 28      16     -12
warn3x                                                23       -     -23
runsvdir_main                                       1583    1125    -458

crontab: do not destroy STDIN_FILENO, editor may need it (crontab -e)
vi: deal with EOF/error on stdin and with input NULs

function                                             old     new   delta
crontab_main                                         623     642     +19
edit_file                                            901     906      +5
readit                                               331     318     -13

unzip: handle "central directory"
 needed for OpenOffice, gmail attachment .zips etc
 conditional on CONFIG_DESKTOP

function                                             old     new   delta
unzip_main                                          1643    1939    +296
find_cds_offset                                        -     173    +173
unzip_skip                                            11      16      +5
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/0 up/down: 474/0)             Total: 474 bytes

setfont: use ioctl(KDFONTOP), it honours -C tty

init: set stderr to NONBLOCK
*: s/setenv(a,b,1)/xsetenv(a,b)/

function                                             old     new   delta
init_main                                            856     895     +39
message                                              146     144      -2
crond_main                                          1418    1416      -2
run                                                  661     658      -3
zcip_main                                           1409    1403      -6
edit_file                                            910     901      -9
environment                                           20       -     -20

webpage: add "RD129 embedded board from ELPA" to product page
 split it into "projects" (software) and "products" (hardware) parts

website: add a product using bbox - EMTEC MovieCube R700

libbb: document that we maybe will want to understand \e someday
 (no code changes)

grep: yet another fixlet for EXTRA_COMPAT

grep: fix EXTRA_COMPAT grep to honor -E and -i

setfont: small fixes from Vladimir

id: fix "id <user>" case. Requires getgrouplist().

function                                             old     new   delta
getgrouplist_internal                                  -     200    +200
id_main                                              462     539     +77
bb_internal_getgrouplist                               -      67     +67
bb__parsespent                                       119     117      -2
bb_internal_initgroups                               213      58    -155
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 1/2 up/down: 344/-157)          Total: 187 bytes

slattach: preserve speed in non-raw mode. +39 bytes.
 by Matthieu CASTET (matthieu.castet AT parrot.com)

setfont: support -m and -C, support -m TEXTUAL_MAP (by Vladimir)
build system: fixlet for echo applet config

function                                             old     new   delta
setfont_main                                         157     387    +230
ctoi                                                   -      75     +75
packed_usage                                       24921   24950     +29

man: do not use default if /etc/man.conf has different MANPATH
 do not warn if /etc/man.conf does not exist

man: use default MANPATH of "/usr/man"; do not search paths twice

modprobe-small: trivial SEGV fix

id: unsigned long is excessive for option bitmask

setfont: add comments/TODOs, no code changes

modutils/*: rewrite by Timo Teras <timo.teras AT iki.fi>
- a lot faster (linear algorithmic complexity, smaller memory foot print)
- a lot smaller (the old code was overly complicated)
- loading of aliases is now module-init-tools compliant
- blacklisting is done correctly (-b option added)
- module argument quoting done right
- depmod now correctly generates modules.symbols and modules.alias

add/remove: 16/21 grow/shrink: 4/6 up/down: 6930/-9316 Total: -2386 bytes
   text    data     bss     dec     hex filename
 806039     592    6680  813311   c68ff busybox_old
 803498     592    6676  810766   c5f0e busybox_unstripped

id: code shrink

function                                             old     new   delta
id_main                                              494     462     -32

- implement id -G (Tito Ragusa)

Kill off bogus #error's for big endian SH targets, these work fine.

runsvd: shrink by Vladimir
*: use unified trivial signal handler

function                                             old     new   delta
record_signo                                           -      10     +10
process_stdin                                        433     443     +10
bbunpack                                             383     391      +8
wc_main                                              598     605      +7
conescape                                            293     296      +3
nmeter_main                                          670     672      +2
fallbackSort                                        1717    1719      +2
bb_got_signal                                          -       1      +1
microcom_main                                        713     712      -1
signalled                                              2       -      -2
pack_gzip                                           1661    1659      -2
evalvar                                             1376    1374      -2
compare_keys                                         737     735      -2
parse_command                                       1460    1456      -4
expand                                              1748    1744      -4
s_term                                                37      29      -8
s_hangup                                               8       -      -8
fgotsig                                               10       -     -10
find_pair                                            187     169     -18
signal_handler                                       190     170     -20
runsvdir_main                                       1701    1583    -118
------------------------------------------------------------------------------
(add/remove: 2/3 grow/shrink: 6/10 up/down: 43/-199)         Total: -156 bytes

halt: reinstate -w even if !FEATURE_WTMP; beautify code in halt.c

watchdog: add -T option
 function                                             old     new   delta
 watchdog_main                                        159     219     +60
mdev: support match by major,minor. See bug 4714.
 +100 bytes.

ifenslave: on uclibc at least, net/if.h + linux/if_bonding.h dont coexist

ifenslave: wants net/if.h

install: shrink -D code. By Bernhard.

function                                             old     new   delta
install_main                                         726     707     -19

modprobe-small: make insmod command line compatible

function                                             old     new   delta
modprobe_main                                        326     435    +109
moderror                                               -      52     +52
process_module                                       577     530     -47

- commentary typo fix

awk: add a comment

- uncomment tc for now

- add WIP stub for tc.
  Printing worked at some point. Modify/Delete needs some refacturing.

- mention that we ignore -v, -b, -c

kbd_mode: fix non-ASCII letters in comments
install: support -D

awk: improve nadling of negative numbers in bitwise ops;
 fix handling of octal costants. add test for it

function                                             old     new   delta
getvar_i_int                                           -      93     +93
my_strtod                                              -      84     +84
qrealloc                                              33      36      +3
getvar_i                                              99      95      -4
next_token                                           979     919     -60
evaluate                                            6359    5627    -732
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 1/3 up/down: 180/-796)         Total: -616 bytes

- pass "Accept:" and "Accept-Language:" header to CGI scripts (Alina Friedrichsen)

Alina writes:
With this patch the BusyBox httpd pass the "Accept:" and
"Accept-Language:" header by the environment variables to the
CGI-Script, so this can make Content Negotiation to deliver the page in
the language, which was selected by the user in the browser settings,
and/or serve the XHTML page with the right MIME-Type
application/xhtml+xml to user agents which support it und text/html
which don't.

(Needed e.g. for OpenWrt LuCI.)

Signed-off-by: Alina Friedrichsen <x-alina at gmx dot net>

- remove excess whitespace (Vladimir Dronnikov)

- halt's -w depends on FEATURE_WTMP (Vladimir Dronnikov)

- add ether-wake to the hardcoded(argh!) list of APPLET_ODDNAME

insmod: fix detection of open failure

build system: fix "Possible unintended interpolation of @host"
 message

build system: echo and test features may be enabled
 even if these applets are enabled as ash builtins only
testsuite: add some awk tests

awk: bitwise ops cast oprands and results to unsigned long,
 not signed. closes 4774.

awk: support hex constants

df: add support for more options, add some coreutils 6.10 compat.
 by Bernhard Reutner-Fischer

function                                             old     new   delta
df_main                                              664     795    +131
packed_usage                                       24812   24862     +50
make_human_readable_str                              213     262     +49
static.ignored_mounts                                  -       8      +8
static.unit_chars                                      -       7      +7
static.zero_and_units                                  6       -      -6
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 3/0 up/down: 245/-6)            Total: 239 bytes

insmod: mix xmalloc with xrealloc_vector more carefully

- forgot to pass in the HOST_EXTRACFLAGS

insmod: shrink

function                                             old     new   delta
obj_allocate_commons                                 488     462     -26
insmod_main                                         3830    3714    -116

cksum: respect CONFIG_LFS=y. Adds 36 bytes in this case.

- pull check-lxdialog from linux-2.6.26

trylink: make messages less confusing

modprobe-small: support "blacklist" keyword in /etc/modules/<modulename>

reinstate sponsor's links

fbset: fix mode matching code: original code may trigger false positive.
 E.g. fbset -n '16bit'
 succeeded at 'mode "640x480 16bit"' and that is wrong.
 Also parser is rewritten. By Vladimir.

function                                             old     new   delta
static.syncs                                           -      20     +20
g_options                                              4       -      -4
g_cmdoptions                                         432     385     -47
fbset_main                                          1842    1642    -200

ping: SO_RCVBUF must be bigger than packet size,
 otherwise large ping packets might fail to be received.

hexdump: fix SEGV in hexdump -e ""

setarch: do not try to use non-existent data in argv[]

tweak web page

- move some older news to the news archive (the main page was once again over 30kib big)

- reformat help text

Announce 1.11.2

- print the documentation per default

- document rmdir args

- document rmmod -w and -f arguments

fix xargs -e help text

- tweak markup. No relevant changes

- cleanup urls

- fix typo

- fix markup

- do not advertise the standalone udhcpd. It is actively maintained in busybox only.

- fix markup

- add doc-clean target

- add note about CONFIG_CROSS_COMPILER_PREFIX while cleanup up markup.

- fix typo of mine

- improve documentation a bit