fix example of vcsa creation

ash: fix testcase to not sleep for whole 10 seconds,
 gets annoying pretty fast. Also fix wrong message there.

ash: fix typo

ash: hopefully close bug 4324. With testcase.

function                                             old     new   delta
evaltree                                             621     869    +248
popstring                                            134     140      +6

ash: testsuite entries for last change

ash: dont allow e.g. exec <&10 to attach to stript's fd!

function                                             old     new   delta
is_hidden_fd                                           -      61     +61
redirect                                            1135    1164     +29
popstring                                            134     140      +6
printf_main                                          635     637      +2
evalvar                                             1374    1376      +2
echo_main                                            294     296      +2
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 5/0 up/down: 102/0)             Total: 102 bytes

*: conversion to config parser

function                                             old     new   delta
config_read                                          540     597     +57
config_open2                                          41      44      +3
rtnl_rtprot_initialize                                70      66      -4
rtnl_rttable_initialize                               78      73      -5
rtnl_rtscope_initialize                               88      83      -5
rtnl_rtrealm_initialize                               48      43      -5
rtnl_rtdsfield_initialize                             48      43      -5
process_module                                       566     560      -6
bbunpack                                             391     383      -8
rtnl_tab_initialize                                  279     121    -158
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/8 up/down: 60/-196)          Total: -136 bytes

ash: prevent exec NN>&- from closing fd used for script reading

ash: fix a bug where redirection fds were not closed afterwards.
 optimize close+fcntl(DUPFD) into dup2. add testsuites.

function                                             old     new   delta
copyfd                                                47      68     +21
argstr                                              1311    1298     -13
popredir                                             148     131     -17
redirect                                            1139    1107     -32
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 21/-62)            Total: -41 bytes

ash: teach ash about 123>file. It could take only 0..9 before

function                                             old     new   delta
redirect                                            1052    1139     +87
need_to_remember                                       -      36     +36
popredir                                             132     148     +16
fixredir                                              86     101     +15
readtoken1                                          3130    3143     +13
evalvar                                             1374    1376      +2
popstring                                            140     134      -6
cmdtxt                                               592     561     -31
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 5/2 up/down: 169/-37)           Total: 132 bytes

ash: ducument where "no fds > 9 in redirects" limitation is.
 no code changes.

ash: ditch dupredirect(), it was only making code harder to read.
 incorporate it in its single callsite.

function                                             old     new   delta
redirect                                            1054    1052      -2
changepath                                           196     194      -2

ash: explain redirect code a bit

function                                             old     new   delta
redirect                                            1059    1054      -5

ash: code shrink

function                                             old     new   delta
copynode                                             171     180      +9
evaltreenr                                           615     621      +6
evaltree                                             615     621      +6
calcsize                                             121     127      +6
evalpipe                                             349     350      +1
redirect                                            1059    1057      -2
parseheredoc                                         129     126      -3
makename                                              35      32      -3
expredir                                             130     127      -3
parsefname                                           224     219      -5
popstring                                            140     134      -6
pipeline                                             276     268      -8
list                                                 360     351      -9
readtoken1                                          3157    3130     -27
parse_command                                       1504    1460     -44
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/10 up/down: 28/-110)          Total: -82 bytes

s/othervise/otherwise/g

lpd: extend help text

function                                             old     new   delta
packed_usage                                       24466   24612    +146

inetd: do not trash errno in signal handlers;
 in CHLD handler, stop looping through services when pid is found

function                                             old     new   delta
reread_config_file                                  1072    1092     +20
retry_network_setup                                   55      69     +14
reap_child                                           132     130      -2

another overlapping_strcpy

fix all cases of strcpy on overlapping strings.

fix trivial build warning

lpd,lpr: send/receive ACKs after filenames, not only after file bodies.

lpqr_main                                           1114    1149     +35
lpd_main                                             748     768     +20

- strip implied proto and superfluous "" domain part.
  If my lynx groks it, your browser will too ;)

- wrap overlong lines (Cristian Ionescu-Idbohrn)
- s/\.  /. /g;# (me)

chown: do not use static data

function                                             old     new   delta
chown_main                                           160     182     +22
fileAction                                           750     744      -6
ugid                                                   8       -      -8

cut: stop using static data. This alone removed ~70 bytes of code.
 + some optimizations

function                                             old     new   delta
nlists                                                 4       -      -4
cut_lists                                              4       -      -4
cut_main                                            1041     960     -81

cal: remove lone static data variable. -4 bytes. coreutils
 is down to four applets with nonzero data+bss.

- unused variables if !ENABLE_FEATURE_MDEV_RENAME_REGEXP

libbb: [x]fopen_for_{read,write} introduced and used.
 (by Valdimir)

function                                             old     new   delta
config_open2                                           -      41     +41
config_read                                          507     542     +35
find_pair                                            169     187     +18
fopen_for_write                                        -      14     +14
fopen_for_read                                         -      14     +14
find_main                                            406     418     +12
xfopen_for_write                                       -      10     +10
xfopen_for_read                                        -      10     +10
popstring                                            134     140      +6
parse_inittab                                        396     401      +5
next_token                                           923     928      +5
pack_gzip                                           1659    1661      +2
bb__parsespent                                       117     119      +2
fallbackSort                                        1719    1717      -2
evalvar                                             1376    1374      -2
qrealloc                                              36      33      -3
...
...
...
...
singlemount                                         4579    4569     -10
process_stdin                                        443     433     -10
patch_main                                          1111    1101     -10
ifupdown_main                                       2175    2165     -10
file_action_grep                                      90      80     -10
uuidcache_init                                       649     637     -12
hush_main                                            797     785     -12
read_config                                          230     217     -13
dpkg_main                                           3835    3820     -15
read_line_input                                     3134    3110     -24
sysctl_main                                          232     203     -29
config_open                                           40      10     -30
WARN_BAD_LINE                                         44       -     -44
login_main                                          1714    1575    -139
------------------------------------------------------------------------------
(add/remove: 5/1 grow/shrink: 8/74 up/down: 174/-737)        Total: -563 bytes

whitespace fixes, no code changed

- commentary typo fix

- first pass to unify/cleanup uid handling (-236b)
  This needs further love, alot of love.. Tito?

- fix spelling

- s/super.block/superblock/g; # for consistency; -1b

- remove superfluous forward declaration

- document -f

- commentary typo fix

- no obj-code changes. Fix indentation, use existing defines.

telnet: shrink
telnetd: shrink, and fix issue file printing
test: better and shorter usage text

function                                             old     new   delta
putiac2                                               51      50      -1
putiac                                                24      20      -4
handlenetoutput                                       95      91      -4
telnet_main                                         1480    1475      -5
iacflush                                              37      32      -5
make_new_session                                     436     421     -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-34)             Total: -34 bytes

help text: test --help doesnt print it (by design),
 so do not account for it

httpd: add Hopedir directive specially for
 (and by) walter harms <wharms AT bfs.de>;
 fix silly double-parse bug added in 21412.

function                                             old     new   delta
parse_conf                                          1532    1576     +44

msh: fix "while...continue" bug 3884.

build system: clean more files on make clean/make mrproper

udhcp: use libbb for config file parsing (by Vladimir)

function                                             old     new   delta
read_config                                          313     230     -83

libbb/parse_config.c: fix small buglet (by Vladimir)

dnsd,sestatus: use libbb to parse config file (by Vladimir)

function                                             old     new   delta
dnsd_main                                           1544    1487     -57

man: fix breakage: must not die on lines with < 2 tokens

mn: use libbb for config parsing (by Vladimir)

function                                             old     new   delta
man_main                                             757     713     -44

tar: fix handling of tarballs with symlinks with size field != 0

libbb: fix print_flags() [fix somehow is only in 1.11.1?)

libbb: fixes to config_read() by maintainer
sysctl: use config_read()

function                                             old     new   delta
sysctl_main                                          121     232    +111
config_read                                          478     502     +24
parse_main                                           239     241      +2
sysctl_preload_file_and_exit                         234       -    -234
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 3/0 up/down: 137/-234)          Total: -97 bytes

libbb: config_read() update

mount: support nfs mount option nordiplus.
 By Octavian Purdila <opurdila AT ixiacom.com>

function                                             old     new   delta
static.options                                       272     281      +9
daemonize                                            130     107     -23
singlemount                                         4674    4579     -95
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 9/-118)           Total: -109 bytes

libbb: updated config_parse() from Vladimir

function                                             old     new   delta
config_read                                          385     460     +75
runsvdir_main                                       1701    1716     +15
readit                                               331     338      +7
passwd_main                                         1049    1053      +4
parse_command                                       1504    1507      +3
decode_format_string                                 822     824      +2
bb__parsespent                                       117     119      +2
udhcp_get_option                                     221     222      +1
changepath                                           196     194      -2
parse_inittab                                        400     396      -4
nameif_main                                          683     679      -4
make_device                                         1176    1172      -4
config_open                                           48      40      -8
expand_main                                          698     689      -9
readcmd                                             1012    1002     -10
config_free_data                                      37      21     -16
SynchronizeFile                                      683     643     -40
sleep_main                                           474     362    -112
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/10 up/down: 109/-209)        Total: -100 bytes

test: fix parser to prefer binop over unop, as coreutils does.
 remove bogus workaround in main(). rename atrocious variables/functions.
 much expand testsuite.
libbb: fix --help to not affect "test --help"

function                                             old     new   delta
run_applet_no_and_exit                               421     440     +19
nexpr                                                817     825      +8
static.no_op                                           -       6      +6
test_main                                            397     257    -140
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 2/1 up/down: 104/-211)         Total: -107 bytes

printf: do not print garbage on "%Ld". closes bug 4214.

function                                             old     new   delta
printf_main                                          633     637      +4
multiconvert                                          99      79     -20
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 4/-20)             Total: -16 bytes

libbb: fix bb_strtol[l]'s check for "-". Hopefully closes bug 4174

function                                             old     new   delta
bb_strtol                                             82      85      +3
handle_errors                                         75      66      -9
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 3/-9)               Total: -6 bytes

printf: fix %b, fix several bugs in %*.*, fix compat issues with
 aborting too early, support %zd; expand testsuite

function                                             old     new   delta
get_width_prec                                         -      46     +46
multiconvert                                          82      99     +17
conv_strtod                                           44      54     +10
print_direc                                          382     391      +9
printf_main                                          629     633      +4
conv_strtoul                                          20      16      -4
conv_strtol                                           20      16      -4
my_xstrtoul                                           20       -     -20
my_xstrtol                                            20       -     -20
my_xstrtod                                            21       -     -21
------------------------------------------------------------------------------
(add/remove: 1/3 grow/shrink: 4/2 up/down: 86/-69)             Total: 17 bytes

- fix compilation for mips (Brian Daniels)

vi: using array data after it fell out of scope is stupid.

sendmail: update from the maintainer

pidof/killall: allow find_pid_by_name to find running
 processes started as scripts_with_name_longer_than_15_bytes.sh
 closes bug 4054 (and is generally neat)

update README

build system: fix indentation in config menu

init: fix compile-time error; fix exiting on broken config file
parse_config: cosmetics

- very minor shrinkage (-9b)

- fix "noreduce" flag of config_read (didn't work at all, at least for me).
- convert init's inittab parsing to the new config parser:
function                                             old     new   delta
config_read                                          393     386      -7
static.actions                                        72      64      -8
.rodata                                           121772  121764      -8
parse_inittab                                        554     393    -161
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-184)           Total: -184 bytes

- fix segfault in nameif with mactab file
  (by fixing and shrink config parser)

function                                             old     new   delta
config_free_data                                       -      37     +37
config_open                                           43      48      +5
pack_gzip                                           1658    1660      +2
nameif_main                                          527     525      -2
SynchronizeFile                                      629     623      -6
make_device                                         1184    1176      -8
config_close                                          31      18     -13
config_read                                          431     393     -38
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/5 up/down: 44/-67)            Total: -23 bytes

printf: protect against bogus format specifiers. Hopefully closes bug 4184

bb_strtoXXX: close bug 4174 (potential use of buf[-1])

- warn about overlong lines in help-texts
  I initially bailed out with an error, but then that's a bit rough. Just warn to trick somebody into fixing them..

config help fixes

fix up callsites of config_read to check for >= 0

update of config file parser from Vladimir

sendmail: do not discard all headers

cpio: make long opts depend only on ENABLE_GETOPT_LONG

install: do not chown intermediate directories with install -d; shrink
 (by Natanael Copa)

function                                             old     new   delta
.rodata                                           171528  171511     -17
install_main                                         841     697    -144
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-161)           Total: -161 bytes

s/SELINIX/SELINUX/

libbb: get rid of statics in dump.c; code shrinks a lot too

function                                             old     new   delta
alloc_dumper                                           -      26     +26
hexdump_main                                         600     601      +1
static.done                                            1       -      -1
static.ateof                                           1       -      -1
bb_dump_vflag                                          1       -      -1
static.savp                                            4       -      -4
static.nextfs                                          4       -      -4
static.curp                                            4       -      -4
exitval                                                4       -      -4
endfu                                                  4       -      -4
bb_dump_length                                         4       -      -4
bb_dump_fshead                                         4       -      -4
bb_dump_blocksize                                      4       -      -4
_argv                                                  4       -      -4
bb_dump_add                                          365     358      -7
savaddress                                             8       -      -8
eaddress                                               8       -      -8
bb_dump_skip                                           8       -      -8
address                                                8       -      -8
bb_dump_dump                                        2748    2672     -76
next                                                 538     445     -93
------------------------------------------------------------------------------
(add/remove: 1/16 grow/shrink: 1/3 up/down: 27/-247)         Total: -220 bytes
   text    data     bss     dec     hex filename
 789458     607    6764  796829   c289d busybox_old
 789309     601    6696  796606   c27be busybox_unstripped

tee: fix infinite looping on open error (echo asd | tee "")

od,hexdump: fix bug where xrealloc may move pointer,
 leaving other pointers dangling (bug 4104).
 + many style fixes in libbb/dump.c.

mdev: support for serializing hotplug

function                                             old     new   delta
mdev_main                                            503     647    +144

sleep: make fractional seconds separately selectable in .config

libbb: document plans to speed up line-based input

libbb: unified config parser (By Vladimir Dronnikov)
mdev: use it

function                                             old     new   delta
config_read                                            -     400    +400
config_open                                            -      43     +43
config_close                                           -       9      +9
qrealloc                                              33      36      +3
compare_keys                                         735     737      +2
xstrtoull_range_sfx                                  296     295      -1
qgravechar                                           109     106      -3
get_address                                          181     178      -3
next_token                                           928     923      -5
sv_main                                             1228    1222      -6
find_main                                            418     406     -12
next_field                                            32       -     -32
make_device                                         1269    1184     -85
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/7 up/down: 457/-147)          Total: 310 bytes

sendmail: do not ignore CC; accept to: and cc: case-insensitively.
 +20 bytes.

libbb: experimental faster string reading routines.

comm: almost total rewrite; add testsuite

function                                             old     new   delta
writeline                                            128     125      -3
comm_main                                            540     239    -301
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-304)           Total: -304 bytes

ls: fix a bug where we may use uninintialized variable

tee: "-" is a name for stdout, handle it that way

insmod: users report that "|| defined(__powerpc__)" is missing

hush: fix "... pattern) cmd;; esac" case

hush: delete unused field in struct child.
 reinstate needed check for invalid syntax.
 document command parsing in hush_doc.txt.

hush: add case statement support. It is incomplete and disabled for now.
 costs ~300 bytes when enabled.

ash: small code shrink

libbb: shrink print_login_issue (by Vladimir Dronnikov)

function                                             old     new   delta
print_login_issue                                    469     435     -34

whitespace fixes

whitespace fixing script

sleep: if FANCY && DESKTOP, support fractional seconds, minutes,
 hours and so on. It's coreutils compat. bloatcheck is atrocious :(

function                                             old     new   delta
sleep_main                                            71     362    +291
bb_strtod                                              -     127    +127
make_device                                         1269    1294     +25
getoptscmd                                           708     713      +5
switch_root_main                                     402     401      -1
display_speed                                         90      85      -5
show_entry                                           295     289      -6
parse_expr                                           841     833      -8
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/4 up/down: 448/-20)           Total: 428 bytes

*: add FAST_FUNC markers

function                                             old     new   delta
getopt_mk_fifo_nod                                    73      70      -3
mv_main                                              505     501      -4
cp_mv_stat2                                           79      73      -6
cp_main                                              266     257      -9
cp_mv_stat                                            22      10     -12
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/5 up/down: 46/-80)            Total: -34 bytes

mv: fix a case when we move dangling symlink