arping: remove superfluous assignment

trivial fixes to make bbox compile with gcc 4.3.0

od: fix testsuite

od: fix "od -b"

ash: fix breakage introduced in rev 21481.
Fixes ash-vars/var_posix1.tests testsuite entry.

fix typo in Config.in hext text

make test, [ and [[ all NOFORK, for consistency.
Revamp handling of NOUSAGE applets.

function                                             old     new   delta
packed_usage                                       24122   24104     -18

ash: add another testsuite entry ("leaking variables" bug)

less: fix somewhat elusive case when less gets stuck in search mode

function                                             old     new   delta
read_lines                                           719     730     +11
goto_match                                           141     116     -25

man: new applet. ~600 bytes.

fix english in comment

ash: speed up NOFORK code in ash by eliminating second find_applet().
some code reduction along the way.

function                                             old     new   delta
run_list                                            1971    1981     +10
run_nofork_applet_prime                              181     182      +1
unsetcmd                                              97      96      -1
delete_cmd_entry                                      54      53      -1
describe_command                                     399     397      -2
cmdlookup                                            152     150      -2
evaltreenr                                           602     599      -3
evaltree                                             602     599      -3
clearcmdentry                                        101      98      -3
cdcmd                                                675     672      -3
hashcmd                                              305     301      -4
find_command                                         933     910     -23
evalcommand                                         1371    1229    -142
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/11 up/down: 11/-187)         Total: -176 bytes

ash: a bit more complete POSIX subst testsuite entry

ash: add testsuite entry for POSIX-mandated ${var#word} ${var##word}
${var%word} ${var%%word}

ash: add FEATURE_SH_NOFORK support

ash: do not do find_applet() twice in shellexec/tryexec

Makefile.IMA: generate autoconf.h if needed
Makefile.IMA: use ld -gc-collect on gc -combine result
 (by using trylink script). Saves ~3k.

- fix detection of whole-program
  It helps if we first pull in the function we use for testing flags ;)

- also use the incoming LDFLAGS and EXTRA_LDFLAGS
  This isn't perfect since it will barf on linker flags with two args like -Wl,z,now et al.

- erm sorry. no ipsvd here

- add ipsvd

fix build with gcc -combine

build system: use POSIX options only for cp
cp: improve comment

- add printutils and util-linux/volume_id
- pull in Kbuild.includes

webpage: remove date from URL

webpage: s/Denis/Denys/ (I don't like "denys", but it's in passport); add a link to resume

fix "make check"

udhcp,ipcalc: simple code shrink (Nico Erfurth <masta AT perlgolf.de>)

function                                             old     new   delta
ipcalc_main                                          609     610      +1
read_staticlease                                     102      85     -17
ether_aton                                            17       -     -17

nameif: fix vda's breakage (Nico Erfurth <masta AT perlgolf.de>)

function                                             old     new   delta
nameif_main                                          684     691      +7
prepend_new_eth_table                                304     301      -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 7/-3)                Total: 4 bytes

actually adding xfuncs_printf.c :(

Splitting xfuncs.c into two parts. No code chabges.

Avoid linking in printf/bsearch if possible. -20k for static bbox with
"basename", "true" and "false" only.

function                                             old     new   delta
full_write2_str                                        -      25     +25
bb_show_usage                                        183     202     +19
main                                                 883     898     +15
run_applet_and_exit                                  501     507      +6

dd: update usage text

mount: remove superfluous comment

crond: add handling of "MAILTO=user" lines
sendmail: handle a case when the whole mail comes from stdin
(and no separate sender/subj is provided)
both by dronnikov AT gmail.com

function                                             old     new   delta
sendgetmail_main                                    1509    1674    +165
SynchronizeFile                                      671     767     +96
packed_usage                                       24054   24088     +34
crond_main                                          1404    1420     +16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 311/0)             Total: 311 bytes

ping: add -w, -W support (James Simmons <jsimmons AT infradead.org>)

function                                             old     new   delta
print_stats_and_exit                                   -     282    +282
sendping_tail                                        151     231     +80
packed_usage                                       23976   24054     +78
ping_main                                            401     412     +11
arm_ioctl                                             13      20      +7
pingstats                                            259       -    -259
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 4/0 up/down: 458/-259)          Total: 199 bytes

brctl: optional support for "show" cmd (by L. Gabriel Somlo <somlo AT cmu.edu>)

function                                             old     new   delta
brctl_main                                           739    1186    +447
if_indextoname                                         -     104    +104
static.keywords                                      827     841     +14
static.ops                                             -       7      +7
packed_usage                                       23978   23976      -2

init: fix askfirst not working as intended

cpio: actually add testsuite entry...

cpio: fix a bug where we do not extract zero-sized hardlinks
(spotted at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=466771).
Add testsuite entry for that, and another one for another bug:
we do not list hardlinks in cpio -t (not fixed).

function                                             old     new   delta
get_header_cpio                                      884     909     +25
static.saved_hardlinks_created                         -       4      +4
static.pending_hardlinks                               4       -      -4
static.inode                                           4       -      -4
cpio_main                                           1122    1060     -62

cpio: typo fix in error message

cpio: optional support for writing cpio files in newc format.
by pascal.bellard AT ads-lu.com.

function                                             old     new   delta
cpio_main                                            247    1122    +875
cpio_pad4                                              -      58     +58
gnu_dev_major                                         66      99     +33
gnu_dev_minor                                         38      57     +19
packed_usage                                       23964   23978     +14
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 4/0 up/down: 999/0)             Total: 999 bytes

fbsplash: more compact support for named pipes + EOF scenario

function                                             old     new   delta
fbsplash_main                                       1121    1043     -78

dd: support conv=fsync
dd: support "dd --" if CONFIG_DESKTOP=y

function                                             old     new   delta
static.conv_words                                      -      28     +28
dd_main                                             1369    1373      +4
static.keywords                                      848     827     -21
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 32/-21)             Total: 11 bytes

expr: fix comparisons 'a < b' where we were overflowing a-b
(not to mention that we used int, not arith_t). closes bug 2744.
Also, shrink a bit and add testsuite entry

function                                             old     new   delta
nextarg                                               75      84      +9
tostring                                              38      35      -3
toarith                                               89      86      -3
str_value                                             35      32      -3
eval6                                                555     552      -3
int_value                                             29      23      -6
eval4                                                128     120      -8
eval3                                                112     104      -8
eval2                                                512     417     -95
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/8 up/down: 9/-129)           Total: -120 bytes

udhcpc: add -o "do not request options by default" switch
(by L. Gabriel Somlo <somlo AT cmu.edu>)

function                                             old     new   delta
udhcpc_main                                         2513    2554     +41
static.udhcpc_longopts                               226     247     +21
add_param_req_option                                 119     132     +13
packed_usage                                       23952   23964     +12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 87/0)               Total: 87 bytes

xfunc_die: resurrect (actually, it's "svn add" being forgotten again)

basename: tiny shrink

chpst: fix "env directory" parsing to not strip everything
after 1st whitespace. -6 bytes.

script: do not ignore poll() errors. ~+20 bytes.

shells: do not frocibly enable test, echo and kill _applets_,
just build relevant source and use xxx_main functions.
build system: add a special case when we have exactly one applet enabled
(makes "true", "false", "basename" REALLY tiny).
getopt32: do not use stdio.

function                                             old     new   delta
getopt32                                            1385    1412     +27
make_device                                         1187    1200     +13
basename_main                                        120     127      +7
tcpudpsvd_main                                      1922    1926      +4
testcmd                                                5       -      -5
echocmd                                                5       -      -5
fuser_main                                          1243    1231     -12
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 4/1 up/down: 51/-22)             Total: 29 bytes

tcpudp: trivial build fix

libbb: preventive fix for SIGxxx >= 32

g[un]zip: accept and ignore -n (needed for kernel compile)

fuser: fix vda's breakage: DOH! chdir'ing to /proc breaks relative paths

mdev: optional support for regex pattern group substitution.
+142 bytes.

mdev: fix block/char device detection. Closes bug 2144.

inetd: small shrink for NOMMU case

function                                             old     new   delta
cat_args                                               -       8      +8
echo_stream                                           64      63      -1
discard_stream                                        64      63      -1
static.args                                           32      12     -20
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/3 up/down: 8/-22)             Total: -14 bytes

mdev: fix "foo 0:0 444 >bar/baz" rule handling. make_device() +23 bytes

mdev: fix a bug where it was not stopping on first matching rule
(testsuite entry added). Revamped line parsing while at it.

function                                             old     new   delta
next_field                                             -      36     +36
make_device                                         1104    1022     -82
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 36/-82)            Total: -46 bytes

ftpgetput: move control_stream to "struct globals";
unify common data pumpung stage for upload and download;
other small shrinkage. EPSV still not implemented...

function                                             old     new   delta
pump_data_and_QUIT                                     -      82     +82
xconnect_ftpdata                                     127     156     +29
ftpcmd                                               301     304      +3
ftp_die                                               59      55      -4
ftpgetput_main                                       352     344      -8
ftp_send                                             185      91     -94
ftp_receive                                          394     293    -101
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/4 up/down: 114/-207)          Total: -93 bytes

ftpgetput: deal with long-standing TODOs:
- do not use ALLO on upload
- move globals to "struct globals"
- move buf[] there too
- remove commented out "filesize" code
- other shrinkage

function                                             old     new   delta
xconnect_ftpdata                                     117     127     +10
ftp_die                                               49      59     +10
ftpcmd                                               292     301      +9
verbose_flag                                           1       -      -1
do_continue                                            1       -      -1
ftpgetput_main                                       405     352     -53
ftp_receive                                          451     394     -57
ftp_send                                             325     185    -140
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 3/3 up/down: 29/-252)          Total: -223 bytes

ftpgetput: add comment about EPSV (extended PASV).
Fix bug where we were using lstat instead of stat.
Added many TODOs.

copy_file: handle "cp /dev/foo file" (almost) compatibly to coreutils.
(almost because we do not copy mode, which is probably wasn't intended).
+61 bytes.

fbsplash: move to /sbin; small shrink

function                                             old     new   delta
fb_drawprogressbar                                   413     423     +10
fbsplash_main                                       1146    1121     -25

fix a few stray unguarded strdup's

whitespace fixes

mdev: plug a few memory and fd leaks; simplify code a bit

mdev: add testsuite entry

openvt: fix gross mismatch between us and "standard" openvt.
  standard one even has different syntax!
  std: "openvt -c 12", we: "openvt 12"
  std: "openvt top", we: complain that "top" is not a number.
openvt: implement -c -w -s (-l -f -v are also accepted but ingnored)

openvt_main                                          188     343    +155
vfork_child                                            -      67     +67
not_vt_fd                                              -      23     +23
packed_usage                                       23932   23952     +20
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 2/0 up/down: 265/0)             Total: 265 bytes
   text    data     bss     dec     hex filename
 801344     641    7380  809365   c5995 busybox_old
 801617     641    7380  809638   c5aa6 busybox_unstripped

fbsplash: support this usage:

mkfifo cmd_pipe
fbsplash -f cmd_pipe .... &
...
echo 33 >cmd_pipe
...
echo 66 >cmd_pipe

Code size: fbsplash_main +116 bytes :(

fbsplash: fix broken handling of buffered case:
"{echo 45; echo 33; } | { sleep 1; fbsplash -f - ...; }"

function                                             old     new   delta
fb_drawprogressbar                                     -     413    +413
xmalloc_fgetline                                       -      46     +46
xmalloc_reads                                        184     183      -1
xmalloc_getline                                       46       -     -46
fbsplash_main                                       1472    1030    -442
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/2 up/down: 459/-489)          Total: -30 bytes
   text    data     bss     dec     hex filename
 801181     641    7380  809202   c58f2 busybox_old
 801151     641    7380  809172   c58d4 busybox_unstripped

*: more uniform naming: s/xmalloc_getline/xmalloc_fgetline/

- add fbsplash and CONFIG_ASH_BASH_COMPAT to defconfig

fbsplash: cosmetic comment and Config text fixes; rename .ini -> .cfg

fbsplash: shrink, better help text; inifile cannot specify image now;
image can come from stdin

function                                             old     new   delta
packed_usage                                       23872   23932     +60
static.param_names                                     -      57     +57
fbsplash_main                                       1525    1472     -53
static.param_value                                   100       -    -100
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/1 up/down: 117/-153)          Total: -36 bytes
   text    data     bss     dec     hex filename
 801202     641    7380  809223   c5907 busybox_old
 801181     641    7380  809202   c58f2 busybox_unstripped

patch: add support for -R. ~ +110 byte. By Pascal Bellard <pascal.bellard AT ads-lu.com>
fbsplash: new applet by Michele Sanges <michele.sanges AT otomelara.it

function                                             old     new   delta
fbsplash_main                                          -    1525   +1525
fb_drawfullrectangle                                   -     118    +118
static.param_value                                     -     100    +100
packed_usage                                       23776   23872     +96
applet_names                                        1843    1852      +9
applet_main                                         1120    1124      +4
read_line_input                                     3156    3158      +2
applet_nameofs                                       560     562      +2
applet_install_loc                                   140     141      +1
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 6/0 up/down: 1857/0)           Total: 1857 bytes
   text    data     bss     dec     hex filename
 799233     641    7380  807254   c5156 busybox_old
 801202     641    7380  809223   c5907 busybox_unstripped

patch: fix vda's thinko: we need to open new_filename.orig, always!
plug memory leak; add testsuite

patch_main                                          1009     988     -21

ash: support for && and || in [[ expr ]]; add testsuite checks

ifupdown: support for %retries% (L. Gabriel Somlo <somlo AT cmu.edu>)

udhcp: build fix for ppc kernel 2.4.36

lpd: small shrink

lpd_main     761     747     -14

ash: comment about [[; code style fixes. No code changes.

help text shrinkage

date: even more of help text shrink

date: make help text more understandable; small shrink

   text    data     bss     dec     hex filename
 799025     641    7380  807046   c5086 busybox_old
 799009     641    7380  807030   c5076 busybox_unstripped

ash: optional bash-like pattern subst and substring opts
(by James Simmons <jsimmons AT infradead.org>)
TODO: write testsuite!

BASH_COMPAT off:
scanleft                                             101     262    +161
subevalvar                                           346     335     -11
BASH_COMPAT on:
subevalvar                                           346    1397   +1051
scanleft                                             101     262    +161
readtoken1                                          2739    2807     +68
cmdputs                                              397     399      +2
static.vstype                                         64      48     -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 1282/-16)         Total: 1266 bytes

ash: add read -u; fix read -t and read -n; add testsuite entries.

lpd: debugging by Vladimir: he found vda's breakage (trashed s[0])!

diff: add testsuite entry for it

diff: improve comments (no code chages)

patch: support for patches without dates and generated with -U1; shrink

function                                             old     new   delta
extract_filename                                       -      92     +92
extract_filename_and_free_line                        70       -     -70
patch_main                                          1096    1009     -87
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/1 up/down: 92/-157)           Total: -65 bytes

diff: exclude D_EMPTY code if there is no support for -r

function                                             old     new   delta
diffreg                                             1808    1825     +17
files_differ                                         189     166     -23

diff: fix small bug; don't make a copy for "/dev/null" case

diff: reordering and renaming of variables

function                                             old     new   delta
diff_main                                            843     848      +5
get_recursive_dirlist                                177     180      +3
add_to_dirlist                                        64      66      +2
change                                               329     326      -3
files_differ                                         182     176      -6
diffreg                                             1823    1808     -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/3 up/down: 10/-24)            Total: -14 bytes

diff: make a few variables local

function                                             old     new   delta
diffreg                                             1844    1823     -21

diff: make it work on pipes etc (needed for kernel compile)

function                                             old     new   delta
get_recursive_dirlist                                  -     177    +177
make_temp                                              -     144    +144
diffreg                                             1818    1844     +26
files_differ                                         175     182      +7
diff_main                                            842     843      +1
get_dir                                              177       -    -177
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 3/0 up/down: 355/-177)          Total: 178 bytes

diff: shrink

function                                             old     new   delta
check                                                678    1607    +929
files_differ                                           -     175    +175
do_diff                                              436     433      -3
asciifile                                             94      90      -4
print_only                                            23      16      -7
diff_main                                            868     842     -26
prepare                                              339     301     -38
print_status                                         316     178    -138
diffreg                                             2993    1818   -1175
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/7 up/down: 1104/-1391)       Total: -287 bytes

*: whitespace fixes, no code changes

lpr: add more accurate comments
*: trailing whitespace removal