enable use of ^V prefix to allow forced insertion of any character.  in
particular, without this it's impossible to enter a TAB on the commandline
(whether tab completion is enabled or not).

allow 8-bit characters

tac: handle NULs properly. +145 bytes

hush: report [v]fork failures
hush: more correct handling of piping
config: add CONFIG_NOMMU

whitespace fixes

ps: fix yet another buglet from recent ulltoa conversion :(

ps: fix COMMAND column adjustment

tac: *really* add tac.c now

ps: fix build breakage from vda's recent commit
*: whitespace fixes

syslogd: fix shmat error check

tac: new applet. ~240 bytes.

Copyright (C) 2003  Yang Xiaopeng  <yxp at hanwang.com.cn>
Copyright (C) 2007  Natanael Copa  <natanael.copa@gmail.com>
Copyright (C) 2007  Tito Ragusa    <farmatito@tiscali.it>

ps: fix overflow in USER and VSZ columns

function                                             old     new   delta
smart_ulltoa4                                          -     280    +280
smart_ulltoa5                                        283     408    +125
ulltoa6_and_space                                      -      25     +25
scale                                                 28      38     +10
bbunpack                                             358     366      +8
ps_main                                              259     261      +2
glob3                                                 35      37      +2
fill_bounds                                          172     174      +2
process_stdin                                        456     446     -10
smart_ulltoa6                                        406       -    -406
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 6/1 up/down: 454/-416)           Total: 38 bytes

ps: add conditional support for -o [e]time

Makefile.help: removing allbareconfig target from help
applet_tables: fix allnoconfig

ip route: "ip route" was misbehaving (extra argv+1 ate 1st env var)

init: wait for orphaned children too while waiting
for sysinit-like processes (Harald Küthe <harald-tuxbox@arcor.de>)

syslogd: avoid excessive tine() system calls

function                                             old     new   delta
timestamp_and_log_internal                             -      24     +24
log_locally                                          741     744      +3
timestamp_and_log                                    313     314      +1
syslogd_main                                         904     897      -7
quit_signal                                          101      94      -7
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/2 up/down: 28/-14)             Total: 14 bytes

syslogd: don't die if remote host's IP cannot be resolved.
retry resolutions every two minutes instead.

function                                             old     new   delta
syslogd_main                                         865     904     +39
timestamp_and_log                                    324     313     -11
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 39/-11)             Total: 28 bytes

libbb: introduce and use safe_waitpid (loops in EINTR)
*: use more approproate (shorter) versions of wait()

function                                             old     new   delta
safe_waitpid                                           -      48     +48
wait_any_nohang                                        -      17     +17
send_tree                                            365     369      +4
processorstop                                        432     435      +3
text_yank                                            110     108      -2
make_human_readable_str                              202     200      -2
crond_main                                          1368    1366      -2
handle_sigchld                                        49      43      -6
reapchild                                            166     159      -7
custom                                               260     250     -10
checkscript                                          191     177     -14
wait_nohang                                           17       -     -17
wait_pid                                              43       -     -43
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 2/7 up/down: 72/-103)           Total: -31 bytes

adding libbb/printable.c

libbb: introduce fputc_printable (from ed)
netstat: print control chars as ^C etc
vi: style fixlet

function                                             old     new   delta
fputc_printable                                        -     100    +100
unix_do_one                                          451     487     +36
printLines                                           258     190     -68
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 136/-68)            Total: 68 bytes

httpd: support for "I:index.xml" syntax (Peter Korsgaard <jacmet@uclibc.org>)

function                                             old     new   delta
parse_conf                                          1481    1507     +26
handle_incoming_and_exit                            2650    2663     +13
httpd_main                                           749     759     +10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 49/0)               Total: 49 bytes

trylink: instead of build error, disable --gc-sections if GLIBC && STATIC
nameif: glibc build fixlet

netstat: in error message, report filename and line number
where we see problematic data

   text    data     bss     dec     hex filename
 778456     832    7344  786632   c00c8 busybox_old
 778394     832    7344  786570   c008a busybox_unstripped

save a bit of code with *strchrnul = '\0' trick

function                                             old     new   delta
nextline                                              59      55      -4
include_conf                                         902     898      -4
read_config                                          414     406      -8
fsck_main                                           1880    1869     -11

Fix xmalloc_fgets_str so that it really does NOT strip terminator.
Add xmalloc_fgetline_str which does strip terminator,
and use it in dpkg instead of xmalloc_fgets_str.
netstat: use xmalloc_fgets_str - allows to eat strings with NULs
(this fixes bug with some weird /proc/net/unix input)

function                                             old     new   delta
xmalloc_fgets_internal                                 -     191    +191
xmalloc_fgetline_str                                   -      18     +18
do_info                                              116     120      +4
unix_do_one                                          451     447      -4
tcp_do_one                                           423     419      -4
send_tree                                            369     365      -4
xmalloc_fgets_str                                    178      15    -163
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 1/4 up/down: 213/-175)           Total: 38 bytes
   text    data     bss     dec     hex filename
 778445     832    7344  786621   c00bd busybox_old
 778483     832    7344  786659   c00e3 busybox_unstripped

init: don't spawn tons of waiting children, one is enough
init: shrink signal disabling code
init: rename some functions
   text    data     bss     dec     hex filename
 778657     832    7344  786833   c0191 busybox_old
 778445     832    7344  786621   c00bd busybox_unstripped

init: sometimes, #ifdefs are cleaner.

sync examples to what actual actual code expects

add expected output

convert #if to if -- let gcc optimize away dead code for us

init: add FEATURE_KILL_REMOVED (Eugene Bordenkircher <eugebo@gmail.com>)
init: slight size optimization

fix typo in web page

Makefile: change version to 1.10.0.svn
udhcpc: make UDP packet sending the same as raw sending in regards
  to error messages. Minor code size shrink. Total size grows due
  to added messages:

   text    data     bss     dec     hex filename
 770312     683    7244  778239   bdfff busybox_old
 770327     683    7244  778254   be00e busybox_unstripped

Announce 1.9.0

hush: fixlet for NOMMU
update TODO_config_nommu

nameif: extended matching (Nico Erfurth <masta@perlgolf.de>)
*: whitespace fixes

function                                             old     new   delta
prepend_new_eth_table                                  -     304    +304
nameif_main                                          620     684     +64
cc_macaddr                                            51       -     -51
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/0 up/down: 368/-51)           Total: 317 bytes

defconfig: update
appletli.c: add vda's (C)
top: fixlet for incorrect display of "0"
Makefile: reduce stack size from 20k to 16k

od: reduce data/bss usage (code size went down too)

umount: fix fallout from stack reduction change

vi: speed up some string ops

cttyhack: trivial build fixlet

vi: reduce amount of memset'ing on each screen refresh

vi: introduce FEATURE_VI_8BIT (as vi currently is not Unicode capable,
people may want to disable display of high-bit chars)
ip: build fixlet

perror_nomsg: don't print extra colon
losetup: print name of loop device in error messages

vi: change MAX_LINELEN meaning: now it is the biggest supported
screen wigth. Introduce MAX_TABSTOP and MAX_INPUT_LEN. Fix redraw
of very long lines and cursor movement past NULs.

fix buglets found by randomconfig

vi: fix a problem with displaying overlong lines

udhcp: decided to not send "short" dhcp packets,
but lets add comments how to do it if needed.

udhcp: fix oversized packet sending (introduced by "slack for bad dhcp servers" options);
slight optimizations and function renaming

udhcp_send_raw_packet                                  -     391    +391
udhcp_send_kernel_packet                               -     197    +197
udhcp_recv_packet                                      -     134    +134
get_raw_packet                                       353     326     -27
udhcp_get_packet                                     134       -    -134
udhcp_kernel_packet                                  197       -    -197
udhcp_raw_packet                                     391       -    -391
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 0/1 up/down: 722/-749)          Total: -27 bytes

fdisk: reduce global data/bss usage. 8k data+bss build is achievable soon ;)

(add/remove: 0/13 grow/shrink: 6/19 up/down: 74/-492)        Total: -418 bytes
   text    data     bss     dec     hex filename
 778330     860    7408  786598   c00a6 busybox_old
 777970     840    7376  786186   bff0a busybox_unstripped

msh: reduce global data/bss usage

(add/remove: 1/5 grow/shrink: 28/6 up/down: 464/-394)          Total: 70 bytes
   text    data     bss     dec     hex filename
 778077     908    7568  786553   c0079 busybox_old
 778330     860    7408  786598   c00a6 busybox_unstripped

ash: reduce global data/bss usage

(add/remove: 4/29 grow/shrink: 76/21 up/down: 1007/-1713)    Total: -706 bytes
   text    data     bss     dec     hex filename
 777206    1084    8976  787266   c0342 busybox_old
 778077     908    7568  786553   c0079 busybox_unstripped

traceroute: stop using global data/bss

(add/remove: 0/15 grow/shrink: 0/1 up/down: 0/-95)            Total: -95 bytes
   text    data     bss     dec     hex filename
 777245    1094    9008  787347   c0393 busybox_old
 777206    1084    8976  787266   c0342 busybox_unstripped

add a link to vda's pet projects

num conversions: allow for leading '+' (renice needs that)

cttyhack: add missing ';'
init: remove pointless access() check

init: remove superfluous forks and messing up with argv[0]
cttyhack: add stealing of ctty

udhcpc: support for -O <option>.
Two important notes:
* nissrv and nisdomain are not requested by default anymore!
* inconsistency between "XXXsvr" and "XXsrv" in option names resolved,
  all are "XXXsrv" now.

function                                             old     new   delta
udhcpc_main                                         2494    2600    +106
packed_usage                                       23023   23067     +44
add_requests                                          91     119     +28
static.udhcpc_longopts                               209     226     +17
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 195/0)             Total: 195 bytes

find: add -iname support (Alexander Griesser <alexander.griesser@lkh-vil.or.at>)

lineedit: don't violate API if we do simple fgets
ash: cosmetic style fixes, no code changes

vi: don't use common_bufsiz as read buffer, it can be too small
(found by Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com>)

signal names hack was wrong, it broke "get signal name" function.
Reverting :(

getty: a small code shrink

touch                                                  -      40     +40
fakehost                                               4       -      -4
getty_main                                          2546    2493     -53

Make signal table a bit smaller

get_signum                                           136     151     +15
signals                                              224     192     -32

guard against SIGxxx >= 32 (no code changes on i386)

getty: don't accept ancient '#' and '@' as backspace/kill line,
it only confuses people.
(Alexander Griesser <alexander.griesser@lkh-vil.or.at> (LKH Villach))
various other cleanups.

function                                             old     new   delta
getty_main                                          2526    2546     +20
static.baud_index                                      4       -      -4
parse_speeds                                          91       -     -91
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/0 up/down: 20/-95)            Total: -75 bytes
   text    data     bss     dec     hex filename
 773152    1086    9008  783246   bf38e busybox_old
 773081    1086    9008  783175   bf347 busybox_unstripped

lineedit: reduce stack usage
netstat: reduce stack usage; fix handling of NULs in unix socket filenames

static.has_inode                                       1       -      -1
do_info                                              119     116      -3
deinit_S                                              60      51      -9
unix_do_one                                          578     451    -127
parse_and_put_prompt                                 966     825    -141
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/4 up/down: 0/-281)           Total: -281 bytes

fix whitespace damage

mkfs.minix: add testsuite; disable code which makes images variable

attack the biggest stack users:
-mkfs_minix_main [busybox_unstripped]:                  4288
-mkfs_minix_main [busybox_unstripped]:                  4276
-grave [busybox_unstripped]:                            4260
(bzip2 users too - not listed)

price we pay in code size increase:
mainSort                                            2458    2515     +57
grave                                               1005    1058     +53
sendMTFValues                                       2177    2195     +18
BZ2_blockSort                                        122     125      +3
mkfs_minix_main                                     3070    3022     -48
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 131/-48)            Total: 83 bytes

explain why we use mmap instead of malloc

libnetlink: comment out unused code; don't use 8k stack buffers

function                                             old     new   delta
ipaddr_modify                                       1305    1297      -8
do_iprule                                            963     955      -8
do_iproute                                          2193    2169     -24
xrtnl_dump_filter                                    418     391     -27
rtnl_talk                                            671     536    -135
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/5 up/down: 0/-202)           Total: -202 bytes

Fix minor discrepancy in "make help"

Introduce FEATURE_COPYBUF_KB.
People who want smaller stack at any cost may use it
to reduce cp's stack usage (FEATURE_COPYBUF_KB=1).
Desktop people may get faster copy of big files
(FEATURE_COPYBUF_KB=32 is ~30% faster than 4kb)

dd: fix a bug where we don't report write errors
testsuite: small cleanup

full_write_or_warn                                    38      40      +2
write_and_stats                                       66      67      +1
dd_main                                             1358    1335     -23
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 3/-23)             Total: -20 bytes

dd: add testsuite entry for write errors

test: stop using lots of bss.

function                                             old     new   delta
test_main                                            425     456     +31
t_lex                                                 69      73      +4
syntax                                               100     104      +4
ptr_to_statics                                         8      12      +4
t_wp_op                                                4       -      -4
t_wp                                                   4       -      -4
ngroups                                                4       -      -4
group_array                                            4       -      -4
binop                                                590     585      -5
oexpr                                                104      97      -7
aexpr                                                101      94      -7
nexpr                                                831     820     -11
leaving                                              156       -    -156
------------------------------------------------------------------------------
(add/remove: 0/5 grow/shrink: 4/4 up/down: 43/-202)          Total: -159 bytes
   text    data     bss     dec     hex filename
 775098     929    9084  785111   bfad7 busybox_old
 775107     933    8908  784948   bfa34 busybox_unstripped

dhcp: heed TODO item - divorced options from their string descriptions
code shrink while at it.

function                                             old     new   delta
dhcp_option_strings                                    -     258    +258
udhcp_run_script                                    1135    1174     +39
dhcp_option_lengths                                    -      11     +11
udhcp_add_simple_option                               93      92      -1
packet_num                                             4       -      -4
read_opt                                             746     739      -7
udhcp_option_lengths                                  11       -     -11
udhcpc_main                                         2590    2494     -96
dhcp_options                                         490      70    -420
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 1/4 up/down: 308/-539)         Total: -231 bytes
   text    data     bss     dec     hex filename
 775309     929    9100  785338   bfbba busybox_old
 775098     929    9084  785111   bfad7 busybox_unstripped

sysctl: add -e: supress warnings about invalid key (Jeremy Kerr <jk@ozlabs.org>)
code shrink:

   text    data     bss     dec     hex filename
 775565     929    9100  785594   bfcba busybox_old
 775296     929    9100  785325   bfbad busybox_unstripped

Further optimize applet tables; prettify build output

   text    data     bss     dec     hex filename
 775923     929    9100  785952   bfe20 busybox_old
 775565     929    9100  785594   bfcba busybox_unstripped

touch: accept and ignore -f

dhcpc: let server know we don't like oversized packets.
add TODO comment

forgotten part of previous commit

reorganize applet table. Eliminates pointers to names.
Should be a big win for libbusybox. busybox wins too:

   text    data     bss     dec     hex filename
 776524     929    9100  786553   c0079 busybox_old
 775903     929    9100  785932   bfe0c busybox_unstripped

ip route: add comment, no code changes

iproute: fix a bug where "ip r flush table main" was rejected,
add "ip r flush cache" (however I'm unsure it is really valid syntax)
Add a few comments and stop mixing params and params' keywords.

fix vda's testsuite bogons, part 2

fix vda's testsuite bogons, part 1

testsuite: add tests for cut and grep;
slight improvements to infrastructure

ash: make code simpler, and do not do close(-1) - it's rude

zcip: simplify code a bit

zcip: use low-order 4 bytes of MAC as random seed, not 4 high-order
arping: fix wrong roundtrip calculation
arping,zcip: cleanups and code shrink

run                                                  389     402     +13
arp                                                  195     188      -7
zcip_main                                           1524    1495     -29
arping_main                                         1874    1823     -51
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 13/-87)            Total: -74 bytes
   text    data     bss     dec     hex filename
 776587     929    9100  786616   c00b8 busybox_old
 776499     929    9100  786528   c0060 busybox_unstripped

cttyhack should be in /bin, not /usr/bin

which: fix testsuite failure
pidof: do not output empty line if nothing found
testsuite: disable false positive

dhcpc: cope with buggy DHCP servers which send oversized packets
(Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com>)

Announce 1.8.2 and 1.7.4

stty: reorganize data tables - save 0.5k

function                                             old     new   delta
mode_name                                              -     496    +496
control_name                                           -      91     +91
stty_main                                           1235    1255     +20
find_mode                                             45      63     +18
find_control                                          45      63     +18
do_display                                           482     493     +11
wrapf                                                165     166      +1
set_mode                                             761     759      -2
max_col                                                4       -      -4
device_name                                            4       -      -4
control_info                                         153      34    -119
mode_info                                           1700     680   -1020
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 5/3 up/down: 655/-1149)        Total: -494 bytes
   text    data     bss     dec     hex filename
 777037     937    9100  787074   c0282 busybox_old
 776551     929    9100  786580   c0094 busybox_unstripped

remove echo_main -> bb_echo indirection

hush: fix segfault in "echo $@" when we have no arguments