vi: fix yet another vda's thinko

hush: ifdef out parts which are not needed
if neither loops nor ifs are supported. Code savings:

function                                             old     new   delta
parse_stream                                        1758    1757      -1
checkjobs                                            335     318     -17
done_pipe                                             74      52     -22
expand_variables                                    1437    1407     -30
run_list                                            1232    1189     -43
parse_and_run_stream                                 328     267     -61
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-174)           Total: -174 bytes

hush: kill some old unused fields; small code shrink

function                                             old     new   delta
builtin_exit                                          48      47      -1
checkjobs                                            351     335     -16
checkjobs_and_fg_shell                                60      35     -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-42)             Total: -42 bytes

fix breakage found by randomconfig

hush: trivial fix in debug code

ash: trivial code readability fixes

ash: improve readability of the code. No real code changes.

ash: optional support for $'...\t...\n...' bashism

function                                             old     new   delta
readtoken1                                          2824    3172    +348
static.C_escapes                                       -      18     +18
parse_command                                       1504    1500      -4
SIT                                                   89      83      -6
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/2 up/down: 366/-10)           Total: 356 bytes

trim usage text

mdoprobe: fix SEGV bug (by Vlad Dronnikov)

vi: fix obvious thinko's

wget: accept code 204.

vi: fix vda's breakage (by Cristian Ionescu-Idbohrn)

ash: minor shrink (mostly smallints) and variable renaming

function                                             old     new   delta
optschanged                                           85      91      +6
tryexec                                              115     118      +3
xxreadtoken                                          290     292      +2
raise_error_unexpected_syntax                         75      77      +2
bltincmd                                               6       8      +2
parseheredoc                                         128     129      +1
static.is_interactive                                  4       1      -3
readtoken                                            156     153      -3
lasttoken                                              4       1      -3
evalcommand                                         1147    1144      -3
checkkwd                                               4       1      -3
back_exitstatus                                        4       1      -3
pipeline                                             282     276      -6
list                                                 369     360      -9
ash_main                                            1402    1393      -9
options                                              616     606     -10
readtoken1                                          2823    2811     -12
parse_command                                       1529    1507     -22
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 6/12 up/down: 21/-91)           Total: -70 bytes
   text    data     bss     dec     hex filename
 807603     611    6908  815122   c7012 busybox_old
 807545     611    6900  815056   c6fd0 busybox_unstripped

dpkg: trivial code shrinkage, and redo G trick correctly.

function                                             old     new   delta
run_package_script_or_die                              -      72     +72
fill_package_struct                                  303     309      +6
search_package_hashtable                             122     125      +3
get_status                                           112     111      -1
status_hashtable                                       4       -      -4
set_status                                           162     158      -4
package_hashtable                                      4       -      -4
name_hashtable                                         4       -      -4
package_satisfies_dependency                         112     106      -6
search_name_hashtable                                118     110      -8
configure_package                                    121     106     -15
remove_package                                       333     317     -16
search_status_hashtable                              133     111     -22
purge_package                                        247     217     -30
unpack_package                                       552     521     -31
run_package_script                                    62       -     -62
dpkg_main                                           3991    3867    -124
------------------------------------------------------------------------------
(add/remove: 1/4 grow/shrink: 2/10 up/down: 81/-331)         Total: -250 bytes
   text    data     bss     dec     hex filename
 807972     611    6924  815507   c7193 busybox_old
 807603     611    6908  815122   c7012 busybox_unstripped

dpkg: code shrink
dpkg: add documentation from bug 3644

function                                             old     new   delta
remove_package                                       318     333     +15
unpack_package                                       541     552     +11
purge_package                                        242     247      +5
all_control_list                                      55      53      -2
all_control_files                                     44      40      -4
add_split_dependencies                               709     703      -6
search_status_hashtable                              148     133     -15
search_package_hashtable                             137     122     -15
search_name_hashtable                                134     118     -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/6 up/down: 31/-58)            Total: -27 bytes
   text    data     bss     dec     hex filename
 808093     611    6924  815628   c720c busybox_old
 807972     611    6924  815507   c7193 busybox_unstripped

dpkg: code shrink (by Peter Korsgaard <jacmet@uclibc.org>)

function                                             old     new   delta
create_list                                          104      86     -18

vi: small code shrink

function                                             old     new   delta
file_insert                                          328     329      +1
colon                                               3067    3064      -3
string_insert                                         93      89      -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 1/-7)               Total: -6 bytes

vi: fix the bug where vi never grows the edit buffer.
vi: do G trick on it

function                                             old     new   delta
place_cursor                                         264     276     +12
next_tabstop                                          22      34     +12
mycmp                                                 44      52      +8
status_line                                           34      40      +6
yank_delete                                           89      92      +3
what_reg                                              34      37      +3
suspend_sig                                           63      66      +3
find_range                                           493     496      +3
redraw                                               104     106      +2
cont_sig                                              63      65      +2
Indicate_Error                                        59      61      +2
status_line_bold                                      71      72      +1
file_insert                                          327     328      +1
vi_setops                                              1       -      -1
...
cmdcnt                                                 4       -      -4
chars_to_parse                                         4       -      -4
ccol                                                   4       -      -4
dot_scroll                                            88      79      -9
stupid_insert                                         28      18     -10
winch_sig                                            102      91     -11
char_insert                                          353     336     -17
readit                                               354     336     -18
get_one_char                                         128     110     -18
init_text_buffer                                     171     152     -19
text_hole_delete                                     132     112     -20
edit_file                                            940     918     -22
get_input_line                                       198     168     -30
show_status_line                                     449     408     -41
colon                                               3112    3067     -45
vi_main                                              312     250     -62
refresh                                             1077     974    -103
do_cmd                                              4818    4483    -335
------------------------------------------------------------------------------
(add/remove: 0/38 grow/shrink: 13/20 up/down: 58/-889)       Total: -831 bytes
   text    data     bss     dec     hex filename
 809566     612    7044  817222   c7846 busybox_old
 808794     611    6924  816329   c74c9 busybox_unstripped

   text    data     bss     dec     hex filename
  18888       1     122   19011    4a43 busybox.t8/editors/vi.o
  18116       0       0   18116    46c4 busybox.t9/editors/vi.o

ssd: fix comment

udhcpc: change BPF filter to not use 0xffffffff as a max packet size,
there are kernels which don't like big (negative when viewed as signed)
sizes.

strrchr: actually, last one was finding "" in "any" at pos 0,
should find at pos LAST...

strrchr: bikeshed painting time!
 replace cubic running time implementation with quadratic
 make embedded test actually readable

function                                             old     new   delta
strrstr                                               42      44      +2

ash: fix "shift BIGNUM" and "read with no variable name" bugs.
 omg. hush testsuite helps to find bugs in ash! what next?

function                                             old     new   delta
static.arg_REPLY                                       -       8      +8
readcmd                                             1023    1021      -2
shiftcmd                                             129     125      -4
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 8/-6)                Total: 2 bytes

cosmetics in hush testsuites

fix globbing in unquoted $* and $@

fix trivial error with inverted exit code in ls

hush: fix a bug with backslashes improperly handled in unquoted variables.
 with previous patch:

function                                             old     new   delta
parse_stream                                        1638    1758    +120
expand_on_ifs                                         97     174     +77
free_pipe                                            206     237     +31
setup_redirect                                       217     220      +3
setup_redirects                                      143     144      +1
done_word                                            698     688     -10
free_strings                                          38       -     -38
expand_variables                                    1451    1403     -48
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 5/2 up/down: 232/-96)           Total: 136 bytes

hush: add testsuite for "no globbing in redirection" rule.
 simplify redirection habdling

hush: expand quote3.tests and move from hush-bugs to hush-parsing

hush: fix last hush-bugs testcase (disappearing "", $empty"" etc)

- fixes from Tito

- fix includes

hush: fix $$ handling

- improved strrstr impl from vda with testcases from Tito and vda

hush: fix "for a in; do echo 'I should never run'; done" bug

- remove depmod from TODO, it was recently added.
  Small touch up while at it

move glob_and_assign.tests from hush-bugs to hush-glob

hush: continue fixing quoting and subst: fix glob_and_assign.tests.

hush: cleanup pass, the biggest is - moved builtins to the end of the file,
 they really annoy in the middle of parser code. no real code changes.

hush: fix memory leak. it was actually rather invloved problem.
Now finally glob/variable expansion is done IN THE RIGHT ORDER!
It opens up a possibility to cleanly fix remaining known bugs.

function                                             old     new   delta
o_save_ptr                                           115     286    +171
o_save_ptr_helper                                      -     115    +115
done_word                                            591     690     +99
o_get_last_ptr                                         -      31     +31
expand_on_ifs                                        125      97     -28
add_string_to_strings                                 28       -     -28
run_list                                            1895    1862     -33
debug_print_strings                                   42       -     -42
add_strings_to_strings                               126       -    -126
expand_variables                                    1550    1394    -156
o_debug_list                                         168       -    -168
expand_strvec_to_strvec                              388      10    -378
------------------------------------------------------------------------------
(add/remove: 2/4 grow/shrink: 2/4 up/down: 416/-959)         Total: -543 bytes

hush: fixing fallout from last big glob fix:
 fix segfault; identify where we leak memory

function                                             old     new   delta
expand_strvec_to_strvec                              353     336     -17

hush: delete hush-bugs/glob_and_vars.tests for real

hush: fix hush-bugs/glob_and_vars.tests testcase:
 globbing is now done _after_ variable/`cmd` substitution

function                                             old     new   delta
expand_strvec_to_strvec                                7     353    +346
expand_variables                                    1348    1383     +35
add_string_to_strings                                  -      28     +28
globhack                                             114       -    -114
done_word                                            778     579    -199
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 2/1 up/down: 409/-313)           Total: 96 bytes

tftp: help compiler a bit

tftpd: PXE server said to need to support "tsize" option
 (by Pascal Bellard <pascal.bellard AT ads-lu.com>).
 Conditional on blocksize option && tftpd support.

function                                             old     new   delta
tftp_protocol                                       1488    1670    +182
tftp_get_option                                        -     102    +102
tftpd_main                                           494     538     +44
tftp_main                                            252     254      +2
tftp_get_blksize                                      97       -     -97
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 3/0 up/down: 330/-97)           Total: 233 bytes

whitespace and comment fixes, no code changes

even more of help text fixes

fix config help text

- fix copy'n paste error.
  thanks, vda! :)

Specially for Bernhard Fischer introduce USE_BB_CRYPT
which selects between libc/custom crypt routines.

hush: eliminate PARSEFLAG_SEMICOLON and ctx->parse_type field.

function                                             old     new   delta
parse_and_run_file                                    30      27      -3
hush_main                                            795     792      -3
initialize_context                                    45      39      -6
done_word                                            791     778     -13
parse_and_run_stream                                 375     338     -37
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/5 up/down: 0/-62)             Total: -62 bytes

use USE_FEATURE_UDHCP_PORT instead of ifdef

udhcpc: removing stray whitespace

further encrypt_des optimizations

function                                             old     new   delta
pw_encrypt                                           943     964     +21
des_crypt                                           1512    1509      -3
u_sbox                                               512     256    -256
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 21/-259)          Total: -238 bytes

cryptpw: fix "cryptpw -a des -- TEXT" case
libbb/pw_encrypt_des.c: optimize

function                                             old     new   delta
cryptpw_main                                         177     157     -20
des_crypt                                           1682    1512    -170
pw_encrypt                                          1036     842    -194
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-384)           Total: -384 bytes

Run tested.

*: use llist_pop for traverse-and-free list operation

function                                             old     new   delta
append_file_list_to_list                             109     111      +2
udhcpc_main                                         2414    2413      -1
run_parts_main                                       325     324      -1
od_main                                             2324    2323      -1
getopt_main                                          709     707      -2
env_main                                             253     251      -2
sed_main                                             659     656      -3
ps_main                                              522     519      -3
traceroute_main                                     3960    3954      -6
sort_main                                            844     838      -6
diff_main                                            866     858      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/10 up/down: 2/-33)            Total: -31 bytes

udhcpc: reduce ifdef forest, no code changes

crypt: code shrink

function                                             old     new   delta
des_crypt                                              -    1682   +1682
md5_crypt                                              -     627    +627
pw_encrypt                                          3608    1036   -2572
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/1 up/down: 2309/-2572)       Total: -263 bytes

tar: fix "unused parameter 'gzip'" warning

hush: fix a bug where we were requiring semicolon here: (cmd;)
 also fix a bug where after error prompt is not shown.

function                                             old     new   delta
parse_stream                                        1612    1638     +26
parse_and_run_stream                                 361     375     +14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 40/0)               Total: 40 bytes

hush: add support for ':'; create testsuite entries

   text    data     bss     dec     hex filename
 809569     612    7044  817225   c7849 busybox_old
 809528     612    7044  817184   c7820 busybox_unstripped

hush: support "! cmd | cmd" negation

function                                             old     new   delta
done_word                                            749     791     +42
run_list                                            1821    1859     +38
checkjobs                                            334     351     +17
done_pipe                                             61      74     +13
static.reserved_list                                 132     144     +12
initialize_context                                    53      45      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/1 up/down: 122/-8)            Total: 114 bytes

Update sponsors page as well

ash: small cosmetic change

ash: fix ${var/s/r} handling, add testcase.

dos2unix: do not destroy symlinks and mode of the file being converted.

udhcpc: kill undocumented -W, it was a no-op.
 fix option parsing in the case some CONFIG_x are off.
 disable -b on NOMMU, make backgrounding work correctly
 (if a bit differently from MMU case). Previously,
 it wasn't working at all.
 stop using global data for flags in main(), opt
 bitfield works as well.

function                                             old     new   delta
cryptpw_main                                         177     153     -24
packed_usage                                       24478   24452     -26
client_background                                     26       -     -26
udhcpc_main                                         2462    2372     -90
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/3 up/down: 0/-166)           Total: -166 bytes

trivial crypt shrinkage

function                                             old     new   delta
__md5_to64                                            27      29      +2
pw_encrypt                                          3631    3608     -23

fix typo in "Analog Devices"

httpd: fix authentication

shorten sponsor's link per its request

website: announce sponsors.

build system: introduce FEATURE_ASSUME_UNICODE
ls: use it. also do G trick. with UNICODE off:

function                                             old     new   delta
ls_main                                              843     871     +28
show_color                                             1       -      -1
showdirs                                             500     497      -3
my_stat                                              100      97      -3
terminal_width                                         4       -      -4
tabstops                                               4       -      -4
status                                               122     118      -4
static.dotdir                                          4       -      -4
current_time_t                                         4       -      -4
all_fmt                                                4       -      -4
------------------------------------------------------------------------------
(add/remove: 0/6 grow/shrink: 1/3 up/down: 28/-31)             Total: -3 bytes

Also was tested with UNICODE on with glibc.

httpd: fix bugs in authentication (by Peter Korsgaard <jacmet ATuclibc.org>)
 we were accepting empty username; also we were always checking
 dummy user:passwd pair ":" if user gave us wrong one.

function                                             old     new   delta
check_user_passwd                                    338     319     -19

htppd: lots of variable/function renaming in config file parsing.
fixed a bug where we trashed config file's name;
otherwise, should not have any real behavioral changes.

function                                             old     new   delta
check_user_passwd                                      -     338    +338
handle_incoming_and_exit                            2661    2649     -12
parse_conf                                          1650    1536    -114
checkPerm                                            338       -    -338
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/2 up/down: 338/-464)         Total: -126 bytes

Reinstate DEBUG_PESSIMIZE (by Christian Ionescu-Idbohrn)

make pw_encrypt() return malloc'ed string.

   text    data     bss     dec     hex filename
 759802     604    6684  767090   bb472 busybox_old
 759804     604    6676  767084   bb46c busybox_unstripped

uclibc insists on having 70k static buffer for crypt.
For bbox it's not acceptable. Roll our own des and md5 crypt
implementation. Against older uclibc:

   text    data     bss     dec     hex filename
 759945     604    6684  767233   bb501 busybox_old
 759766     604    6684  767054   bb44e busybox_unstripped

so, we still save on code size.

- make the first arg of the filter function passed to rtnl_dump_filter constant
  to match normal iproute. No obj-code changes.

hush: speed up o_addX{chr,str}

function                                             old     new   delta
o_addQstr                                              -     162    +162
o_addQchr                                              -      89     +89
o_addstr                                               -      58     +58
o_addqchr                                             50      81     +31
expand_on_ifs                                        103      97      -6
add_till_backquote                                    92      82     -10
expand_variables                                    1281    1217     -64
parse_stream                                        1675    1609     -66
o_addqstr                                            155       -    -155
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 1/4 up/down: 340/-301)           Total: 39 bytes
   text    data     bss     dec     hex filename
 759870     604    6684  767158   bb4b6 busybox_old
 759909     604    6684  767197   bb4dd busybox_unstripped

hush: fix for nested $()s with escapes + testsuite

logger: "clean up" a dirty hack a bit

hush: more backtick and quoting fixes...

hush: fix escaping of \[*?; add testsuites for these and for globbing

hush: fix yet another fallout
hush: move fixed testsuites out of hush-bugs/*

hush: fix some fallout from prev commits, add testsuite

hush: search/and/replace style cleanups, no code changes

hush: fix two nasty bugs:
hush-bugs/tick2.tests: ok
hush-bugs/tick.tests: ok

function                                             old     new   delta
parse_stream                                        1332    1557    +225
b_addptr                                               -      97     +97
add_till_backquote                                     -      82     +82
b_addstr                                               -      58     +58
b_grow_by                                              -      50     +50
setup_string_in_str                                    -      29     +29
expand_variables                                    1196    1199      +3
expand_on_ifs                                        100      97      -3
b_addqchr                                             57      50      -7
parse_and_run_string                                  48      31     -17
lookup_param                                          27       -     -27
b_addchr                                              75      45     -30
count_ifs                                             44       -     -44
process_command_subs                                 222       -    -222
------------------------------------------------------------------------------
(add/remove: 5/3 grow/shrink: 2/4 up/down: 544/-350)          Total: 194 bytes
   text    data     bss     dec     hex filename
 759354     604    6684  766642   bb2b2 busybox_old
 759534     604    6684  766822   bb366 busybox_unstripped

hush: fix a memory leak in NOMMU case

less: fix a case when regexp matches ""
hush: remove wrong comment, expand another one

reword the error msg so people realize that they broke it, they buy it

cosmetics

msh_function.patch: picked it up in the wild.
Fixed allocation bugs (it was allocating
one too small vectors) but it still is very buggy,
thus not applied.

msh: style cleanups. No code changes.

mktemp: make default tempfile template shorter;
 make help text more understandable

hush: add yet another bug to testsuite :(

ifenslave: small shrink
   text    data     bss     dec     hex filename
 809731     624    7060  817415   c7907 busybox_old
 809629     624    7060  817313   c78a1 busybox_unstripped

ip: make numeric table work: "ip route list table 255". closes bug 3664.

function                                             old     new   delta
iproute_list_or_flush                               1270    1300     +30

ifenslave: tiny shrink

   text    data     bss     dec     hex filename
   2221       0       0    2221     8ad busybox.t5/networking/ifenslave.o
   2215       0       0    2215     8a7 busybox.t6/networking/ifenslave.o