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165 Commits

Author SHA1 Message Date
Denys Vlasenko
3c460b005c lineedit: return prefix len from tab completion helpers 
This kills horrific logic which deletes and re-adds prefix (!)

function                                             old     new   delta
complete_cmd_dir_file                                705     731     +26
complete_username                                    121     124      +3
input_tab                                           1041    1016     -25
build_match_prefix                                   838     804     -34
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 29/-59)            Total: -30 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-03 12:56:36 +02:00
Denys Vlasenko
2679e3c8cc lineedit: clean up tab completion code (variable reuse, comments) 
Noted bugs in behavior.
Added debugging machinery.
Decoupled variables reused for unrelated purposes: apparently,
when not forced to use liveness analysis, gcc fares better.

function                                             old     new   delta
complete_cmd_dir_file                                699     705      +6
collapse_pos                                          75      79      +4
build_match_prefix                                   892     838     -54
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 10/-54)            Total: -44 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-03 12:53:15 +02:00
Denys Vlasenko
57ea9b488b preparatory cleanup patch for tab completion fixes 
renames and deinlines a few functions

function                                             old     new   delta
input_tab                                              -    1041   +1041
complete_cmd_dir_file                                  -     699    +699
complete_username                                      -     121    +121
username_completion                                  121       -    -121
read_line_input                                     5002    3313   -1689
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 0/1 up/down: 1861/-1810)         Total: 51 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-03 12:51:36 +02:00
Denys Vlasenko
7063e86d0d lineedit: small readability improvement (same code) 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-02 12:44:39 +02:00
Denys Vlasenko
61a36af45d lineedit: fix completion with Unicode chars 
function                                             old     new   delta
read_line_input                                     4966    5002     +36
bb_wcstombs                                          170     159     -11
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 36/-11)             Total: 25 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-02 12:03:11 +02:00
Denys Vlasenko
b068bd7a41 lineedit: preparatory cleanup patch for Unicode completion fix 
Some logic changes and function renames. The fix will follow this patch,
to mkae it distinct from cleanup.

function                                             old     new   delta
build_match_prefix                                     -     892    +892
username_completion                                    -     121    +121
read_line_input                                     4902    4966     +64
username_tab_completion                              235       -    -235
find_match                                           892       -    -892
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 1/0 up/down: 1077/-1127)        Total: -50 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-09-02 12:01:11 +02:00
Denys Vlasenko
451add4f23 lineedit: mostly revert recent wrong logic in "ask terminal" code 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-25 00:06:41 +02:00
Denys Vlasenko
55241fa2e0 lineedit: limit ASK_TERMINAL to the case when we can't find out the width 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-18 22:53:06 +02:00
Denys Vlasenko
b9e35dc15d lineedit: cosmetics, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-18 22:21:24 +02:00
Tomas Heinrich
11bcf4b224 lineedit: fix column display for wide and combining chars in TAB completion 
function                                             old     new   delta
unicode_strwidth                                       -      20     +20
read_line_input                                     4945    4953      +8
unicode_strlen                                        31       -     -31
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/0 up/down: 28/-31)             Total: -3 bytes

Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-06-01 08:33:18 +02:00
Denys Vlasenko
bbf1aa1eaf typo fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-17 12:33:13 +02:00
Denys Vlasenko
1118d9b213 lineedit: fix insertion deep inside line (*several lines* before end) 
function                                             old     new   delta
input_backward                                       212     229     +17

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-17 12:30:44 +02:00
Denys Vlasenko
9963fe36c2 lineedit: trivial simplifications. -7 bytes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-17 04:05:53 +02:00
Denys Vlasenko
248c324f7c lineedit: fix moving backwards across lines with wide chars 
function                                             old     new   delta
input_backward                                       212     208      -4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-17 00:45:44 +02:00
Denys Vlasenko
d9a3e89f50 consolidate ESC sequences 
function                                             old     new   delta
bell                                                   2       -      -2
CMdown                                                 2       -      -2
Ceos                                                   4       -      -4
Ceol                                                   4       -      -4
CMup                                                   4       -      -4
SOs                                                    5       -      -5
SOn                                                    5       -      -5
CMrc                                                   9       -      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-16 23:42:13 +02:00
Denys Vlasenko
26e2c1db0d stop using LAST_SUPPORTED_WCHAR and CONFIG_LAST_SUPPORTED_WCHAR, it's confusing 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-16 21:15:03 +02:00
Tomas Heinrich
b8909c52fe lineedit: partially fix wide and combining chars editing 
Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-16 20:46:53 +02:00
Denys Vlasenko
94043e8ad2 lineedit: change how cmdedit_set_out_char works 
Rename two badly names functions, use "clear to end of screen"
to eliminate annoying problems with clearing wide/combining chars,
and such. Run tested.

function                                             old     new   delta
put_cur_glyph_and_inc_cursor                           -     124    +124
put_till_end_and_adv_cursor                            -      24     +24
input_delete                                         125     130      +5
Ceos                                                   5       4      -1
Ceol                                                   5       4      -1
input_end                                             24       -     -24
cmdedit_set_out_char                                 122       -    -122
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 1/2 up/down: 153/-148)            Total: 5 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-05-11 14:49:13 +02:00
Tomas Heinrich
a659b81dfa libbb/lineedit: add support for preserving "broken" (non-unicode) chars 
Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-04-29 13:43:39 +02:00
Denys Vlasenko
19158a837d unicode: s/FEATURE_ASSUME_UNICODE/UNICODE_SUPPORT, add UNICODE_USING_LOCALE 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-26 14:06:56 +01:00
Tomas Heinrich
aa167556cd unicode: optional table for better handling of neutral bidi chars 
Off:
function                                             old     new   delta
unicode_bidi_isrtl                                     -      55     +55
isrtl_str                                             51      65     +14
unicode_isrtl                                         55       -     -55
read_line_input                                     5003    4937     -66
------------------------------------------------------------------------------
(add/remove: 1/4 grow/shrink: 1/1 up/down: 69/-121)           Total: -52 bytes

On:
function                                             old     new   delta
static.neutral_b                                       -     320    +320
static.neutral_p                                       -     142    +142
unicode_bidi_isrtl                                     -      55     +55
unicode_bidi_is_neutral_wchar                          -      55     +55
isrtl_str                                             51      59      +8
unicode_isrtl                                         55       -     -55
read_line_input                                     5003    4937     -66
------------------------------------------------------------------------------
(add/remove: 4/4 grow/shrink: 1/1 up/down: 580/-121)          Total: 459 bytes

Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-26 13:13:24 +01:00
Tomas Heinrich
c5c006c10c lineedit: first shot at optional unicode bidi input support 
function                                             old     new   delta
read_line_input                                     4886    5003    +117
in_uint16_table                                        -      97     +97
in_interval_table                                      -      78     +78
static.rtl_b                                           -      68     +68
unicode_isrtl                                          -      55     +55
isrtl_str                                              -      51     +51
static.rtl_p                                           -      42     +42
unicode_conv_to_printable2                           633     477    -156
------------------------------------------------------------------------------
(add/remove: 6/0 grow/shrink: 1/1 up/down: 508/-156)          Total: 352 bytes

Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-18 18:35:37 +01:00
Denys Vlasenko
58f108eb33 lineedit: fix another corner case with bad unicode input 
function                                             old     new   delta
read_key                                             607     646     +39
readit                                                50      55      +5
getch_nowait                                         290     295      +5
hash_find                                            233     234      +1
xstrtoul_range_sfx                                   231     230      -1
passwd_main                                         1058    1056      -2
builtin_exit                                          45      43      -2
cmp_main                                             649     645      -4
lineedit_read_key                                    257     245     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/5 up/down: 50/-21)             Total: 29 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-11 21:17:55 +01:00
Tomas Heinrich
d2b04050c0 lineedit: invalid unicode characters are replaced with CONFIG_SUBST_WCHAR 
function                                             old     new   delta
read_key_ungets                                        -      50     +50
lineedit_read_key                                    223     252     +29

Signed-off-by: Tomas Heinrich <heinrich.tomas@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-03-09 14:09:24 +01:00
Denys Vlasenko
9f93d62192 libbb: better unicode width support. Hopefully fixes bug 839. 
Also opens up a possibility to make other unicode stuff smaller
and more correct later. but:

function                                             old     new   delta
static.combining                                       -     516    +516
bb_wcwidth                                             -     328    +328
unicode_cut_nchars                                     -     141    +141
mbstowc_internal                                       -      93     +93
in_table                                               -      78     +78
cal_main                                             899     961     +62
static.combining0x10000                                -      40     +40
unicode_strlen                                         -      31     +31
bb_mbstrlen                                           31       -     -31
bb_mbstowcs                                          173     102     -71
------------------------------------------------------------------------------
(add/remove: 7/1 grow/shrink: 1/1 up/down: 1289/-102)        Total: 1187 bytes

Uses code of Markus Kuhn, which is in public domain:
http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c
"Permission to use, copy, modify, and distribute this software
 for any purpose and without fee is hereby granted. The author
 disclaims all warranties with regard to this software."

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-24 07:44:03 +01:00
Denys Vlasenko
28055028a7 fold: unicode support. Based on a patch by Tomas Heinrich <heinrich.tomas@gmail.com> 
General Unicode support is tweaked to expose unicode_status.

function                                             old     new   delta
init_unicode                                           -      77     +77
write2stdout                                           -      19     +19
adjust_column                                         68      71      +3
unicode_status                                         -       1      +1
unicode_is_enabled                                     1       -      -1
grep_main                                            780     773      -7
fold_main                                            619     552     -67
check_unicode_in_env                                  77       -     -77
------------------------------------------------------------------------------
(add/remove: 3/2 grow/shrink: 1/2 up/down: 100/-152)          Total: -52 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-04 20:49:58 +01:00
Denys Vlasenko
31e2e7b863 randomconfig fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-12-12 02:42:35 +01:00
Denys Vlasenko
13ad90627c ash: fix bad interaction of "stty -echo" + ASK_TERMINAL 
function                                             old     new   delta
read_line_input                                     4820    4886     +66
put_prompt                                           108      47     -61
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 66/-61)              Total: 5 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-11 03:19:30 +01:00
Denys Vlasenko
8131eea3dc *: introduce and use ffulsh_all() 
function                                             old     new   delta
buffer_fill_and_print                                179     196     +17
fflush_all                                             -       9      +9
spawn                                                 87      92      +5
rtcwake_main                                         455     453      -2
...
alarm_intr                                            93      84      -9
readcmd                                             1072    1062     -10
bb_ask                                               345     333     -12
more_main                                            845     832     -13
flush_stdout_stderr                                   42      23     -19
xfflush_stdout                                        27       -     -27
flush_stderr                                          30       -     -30
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 2/50 up/down: 31/-397)         Total: -366 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-02 14:19:51 +01:00
Denys Vlasenko
1f6d2307ba lineedit: REALLY fix compile error now 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-29 03:45:26 +01:00
Denys Vlasenko
4dc08262cf lineedit: compile fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-29 03:41:38 +01:00
Denys Vlasenko
d83bbf4193 rename sent_ESC_br_n6 variable to sent_ESC_br6n 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-27 10:47:49 +01:00
Denys Vlasenko
eb62d7c383 libbb/lineedit: try to make FEATURE_EDITING_ASK_TERMINAL less ugly 
function                                             old     new   delta
read_line_input                                     4809    4829     +20
lineedit_read_key                                    207     223     +16
put_prompt                                           110     117      +7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 43/0)               Total: 43 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-27 10:34:06 +01:00
Denys Vlasenko
727e1b536e read_key,lineeedit: parse position answerback faster; sanitize its use 
it's still not reliable, and probably cannot be made so...
added comment with explanation.

function                                             old     new   delta
put_prompt                                            52     110     +58
read_key                                             601     607      +6
lineedit_read_key                                    201     207      +6
win_changed                                          108     104      -4
read_line_input                                     4824    4809     -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 70/-19)             Total: 51 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-26 15:23:32 +01:00
Denys Vlasenko
a17eeb847e lineedit: handle Ctrl-arrows 
function                                             old     new   delta
read_line_input                                     4629    4824    +195
BB_isalnum                                             -      39     +39
BB_ispunct                                             -      35     +35
BB_isspace                                             -      31     +31
static.esccmds                                        69      93     +24
vi_word_motion                                       165     162      -3
vi_back_motion                                       204     198      -6
vi_end_motion                                        172     163      -9
bb_iswspace                                           28       -     -28
bb_iswpunct                                           32       -     -32
bb_iswalnum                                           37       -     -37
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 5/8 up/down: 334/-129)          Total: 205 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-25 23:50:56 +01:00
Denys Vlasenko
04bb6b6a5a lineedit: do not hardcode ctrl-C and ctrl-D, use termios fields. 
Unexpected code shrink is probably a gcc glitch:

function                                             old     new   delta
read_line_input                                     4771    4629    -142

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-14 12:53:04 +02:00
Denys Vlasenko
2f3f09c287 libbb/lineedit: restore ^D handling for unicode 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-29 00:00:12 +02:00
Denys Vlasenko
db9c57eed1 libbb/lineedit: fix the case when we configured history to have 0 lines 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-27 02:48:53 +02:00
Denys Vlasenko
90a9904e9e remove some GNUisms. by Dan Fandrich (dan AT coneharvesters.com) 
function                                             old     new   delta
logdirs_reopen                                      1310    1308      -2
read_line_input                                     4757    4753      -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-6)               Total: -6 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-09-06 02:36:23 +02:00
Denys Vlasenko
9531f7dad7 another small lineedit fix 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-16 14:33:16 +02:00
Denys Vlasenko
5c2e81bb67 fix a thinko in lineedit completion code 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-16 14:14:34 +02:00
Denys Vlasenko
53fd1bf223 lineedit: code shrink 
function                                             old     new   delta
collapse_pos                                           -      77     +77
read_line_input                                     4755    4757      +2
add_quote_for_spec_chars                              75      71      -4
find_match                                          1283     892    -391

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-16 02:19:39 +02:00
Denys Vlasenko
9038d6f8f5 remove trailing whitespace 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-15 20:02:19 +02:00
Denys Vlasenko
7dd0ce4953 randomconfig fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-15 18:27:47 +02:00
Denys Vlasenko
044b18083b lineedit+unicode: make TAB completion work again 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-12 02:50:35 +02:00
Denys Vlasenko
1302892a14 vi: small code shrink 
function                                             old     new   delta
vi_word_motion                                       185     165     -20

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-12 00:51:15 +02:00
Denys Vlasenko
42a8fd0db0 added simplified Unicode support for non-locale-enabled builds 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-11 21:36:13 +02:00
Denys Vlasenko
2e6d4ef695 lineedit: implement Unicode-aware line editing (optional) 
When off:

function                                             old     new   delta
input_delete                                         133     140      +7
vi_word_motion                                       236     240      +4
vi_Back_motion                                        89      92      +3
vi_end_motion                                        223     225      +2
cmdedit_set_out_char                                  74      76      +2
vi_back_motion                                       198     199      +1
vi_Word_motion                                        87      88      +1
vi_End_motion                                         92      86      -6
read_line_input                                     6293    6270     -23
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 7/2 up/down: 20/-29)             Total: -9 bytes

When on:

lineedit_read_key                                    146     272    +126
BB_PUTCHAR                                             -      94     +94
read_line_input                                     6293    6351     +58
save_string                                            -      43     +43
wcstombs                                               -      38     +38
mbstowcs                                               -      38     +38
save_command_ps_at_cur_history                        65      93     +28
input_delete                                         133     148     +15
vi_Back_motion                                        89      90      +1
vi_Word_motion                                        87      86      -1
cmdedit_set_out_char                                  74      73      -1
vi_End_motion                                         92      84      -8
vi_back_motion                                       198     187     -11
vi_word_motion                                       236     206     -30
vi_end_motion                                        223     184     -39
------------------------------------------------------------------------------
(add/remove: 4/0 grow/shrink: 5/6 up/down: 441/-90)           Total: 351 bytes

There is one TODO and maybe some bugs :)

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-07-10 18:40:49 +02:00
Mike Frysinger
f524b6c87f lineedit: fix warning about unused label when VI editing is disabled 
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
 2009-06-01 14:16:43 -04:00
Denys Vlasenko
4b7db4f2ca read_key: drop optimization where we read 3 bytes at once 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-29 10:39:06 +02:00
Denys Vlasenko
c396fe6306 lineedit: small fixes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-17 19:28:14 +02:00
Denys Vlasenko
020f40693a line editing: add an option to emit ESC [ 6 n and use results 
This makes line editing able to recognize case when
cursor was not at the beginning of the line. It may also
be adapted later to find out display size (serial line users
would love it).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-17 16:44:54 +02:00
Denys Vlasenko
c15f40c3e7 lineedit: use read_key to recognize ESC sequence. 
This fixes several vi mode bugs and prepares for further fixes.

function                                             old     new   delta
read_line_input                                     3287    5511   +2224
remember_in_history                                    -     499    +499
lineedit_read_key                                      -      70     +70
read_key                                             321     332     +11
input_tab                                           2823       -   -2823
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 2/0 up/down: 2804/-2823)        Total: -19 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-05-15 03:27:53 +02:00
Denis Vlasenko
5e34ff29bc *: mass renaming of USE_XXXX to IF_XXXX 
and SKIP_XXXX to IF_NOT_XXXX - the second one was especially
badly named. It was not skipping anything!
 2009-04-21 11:09:40 +00:00
Denis Vlasenko
c0ea82a457 libbb: revent previous version of "concurrent history updating" 
and replace it with one which does not "snoop" history written
by others. (1) it is what bug 185 needs, and (2) it is less bloaty:

function                                             old     new   delta
load_history                                           -     252    +252
read_line_input                                     3155    3287    +132
next_token                                           914     918      +4
qrealloc                                              36      33      -3
getoptscmd                                           713     708      -5
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/2 up/down: 388/-8)            Total: 380 bytes
 2009-03-23 06:33:37 +00:00
Denis Vlasenko
57abf9e947 libbb: make history saving/loading concurrent-safe 
* all history writers always append (not overwrite) history files
* they reload history if they detect that file length has changed since last
write
* they trim history file only when it grows 4 times longer than MAXLINES
* they do this atomically by creating new file and renaming it to old

Unfortunately, this comes at a price:

function                                             old     new   delta
load_history                                           -     346    +346
read_line_input                                     3155    3358    +203
new_line_input_t                                      17      31     +14
...irrelevant small jitter...
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 5/5 up/down: 573/-13)           Total: 560 bytes
 2009-03-22 19:00:05 +00:00
Denis Vlasenko
202ac504e1 *: code shrink by adding a wrapper around very common tcsetattr(0, TCSANOW, xx) op 
function                                             old     new   delta
tcsetattr_stdin_TCSANOW                                -      14     +14
set_sane_term                                        116     113      -3
top_main                                            1277    1273      -4
make_new_session                                     421     415      -6
rawmode                                              133     126      -7
reset_term                                            18      10      -8
die                                                   43      35      -8
cookmode                                              62      54      -8
vlock_main                                           425     415     -10
read_line_input                                     3165    3155     -10
bb_askpass                                           357     347     -10
fsck_minix_main                                     3079    3065     -14
getty_main                                          2375    2332     -43
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/12 up/down: 14/-131)         Total: -117 bytes
 2008-11-05 13:20:58 +00:00
Denis Vlasenko
3c385cd706 lineedit: fix bug 5824: Since version 23530 with lineedit.c, 
"fdisk" & "ed" can't work any more
 2008-11-02 00:41:05 +00:00
Denis Vlasenko
682ad3045c lineedit: fix problems with empty commands in history 2008-09-27 01:28:56 +00:00
Denis Vlasenko
f31c3b677d linedit: fix use-after-free 2008-08-20 00:46:32 +00:00
Denis Vlasenko
41660c5b2d another overlapping_strcpy 2008-07-22 20:25:24 +00:00
Denis Vlasenko
0f293b96dc fix all cases of strcpy on overlapping strings. 2008-07-22 20:16:55 +00:00
Denis Vlasenko
5415c856ea 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
 2008-07-21 23:05:26 +00:00
Denis Vlasenko
deeed59de0 libbb: introduce and use xrealloc_vector 
function                                             old     new   delta
xrealloc_vector_helper                                 -      51     +51
create_list                                           84      99     +15
getopt_main                                          690     695      +5
passwd_main                                         1049    1053      +4
get_cached                                            85      89      +4
msh_main                                            1377    1380      +3
add_match                                             42      41      -1
read_lines                                           720     718      -2
grave                                               1068    1066      -2
fill_match_lines                                     143     141      -2
add_to_dirlist                                        67      65      -2
add_input_file                                        49      47      -2
act                                                  252     250      -2
fsck_main                                           2252    2246      -6
man_main                                             765     757      -8
bb_internal_initgroups                               228     220      -8
cut_main                                            1052    1041     -11
add_edge_to_node                                      55      43     -12
dpkg_main                                           3851    3835     -16
ifupdown_main                                       2202    2178     -24
sort_main                                            838     812     -26
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 5/15 up/down: 82/-124)          Total: -42 bytes
 2008-07-08 05:14:36 +00:00
Denis Vlasenko
78ff8197cc lineedit: document prompt handling 2008-06-28 21:03:43 +00:00
Denis Vlasenko
defc1ea340 *: introduce and use FAST_FUNC: regparm on i386, otherwise no-on 
text    data     bss     dec     hex filename
 808035     611    6868  815514   c719a busybox_old
 804472     611    6868  811951   c63af busybox_unstripped
 2008-06-27 02:52:20 +00:00
Denis Vlasenko
b267ed95bc lineedit: correctly handle prompt longer than screen width. closes bug 3414 2008-05-25 21:52:03 +00:00
Denis Vlasenko
5599502a55 more -Wall warning fixes. -Wall is enabled now. 2008-05-18 22:28:26 +00:00
Denis Vlasenko
6b06cb80be more of -Wall fixes from Cristian Ionescu-Idbohrn. 
Some are fixing real bugs.

function                                             old     new   delta
syslogd_main                                         938     958     +20
get_signum                                           136     143      +7
obj_load                                             777     782      +5
recv_from_to                                         210     214      +4
get_next_block                                      1795    1799      +4
display_topmem_process_list                         1117    1121      +4
logread_main                                         484     487      +3
buffer_fill_and_print                                 73      76      +3
kill_main                                            687     689      +2
ll_remember_index                                    240     241      +1
do_stats                                             452     453      +1
if_readconf                                          166     165      -1
display_process_list                                1192    1191      -1
run_applet_and_exit                                  507     505      -2
print_signames                                        33      31      -2
parse_one_line                                      1092    1090      -2
find_out_spec                                         57      55      -2
add_ksymoops_symbols                                 421     419      -2
ash_main                                            1407    1402      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 11/8 up/down: 54/-17)            Total: 37 bytes
 2008-05-15 21:30:45 +00:00
Denis Vlasenko
77ad97f199 more -Wall warning fixes from Cristian Ionescu-Idbohrn. 
This time it resulted in small code changes:

function                                             old     new   delta
nexpr                                                820     828      +8
tail_main                                           1200    1202      +2
wrapf                                                166     167      +1
parse_mount_options                                  227     209     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 11/-18)             Total: -7 bytes
 2008-05-13 02:27:31 +00:00
Denis Vlasenko
2c84495184 lineedit: hack for making it sort-of-work even if term width is wrong 
function                                             old     new   delta
read_line_input                                     3158    3153      -5
input_end                                             29      24      -5
input_delete                                         115     110      -5
input_forward                                         27      20      -7
cmdedit_set_out_char                                  88      80      -8
 2008-04-25 18:44:35 +00:00
Denis Vlasenko
b520271f65 lineedit: filename completion on symlinks-to-dirs should add / too 2008-04-24 04:42:52 +00:00
Denis Vlasenko
5d89fbaa2e *: remove remaining instances of ".data" hack 2008-04-22 00:08:27 +00:00
Denis Vlasenko
8ee649a02e *: more uniform naming: s/xmalloc_getline/xmalloc_fgetline/ 2008-03-26 20:04:27 +00:00
Denis Vlasenko
08ec67bc62 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
 2008-03-26 13:32:30 +00:00
Denis Vlasenko
85c247161b *: fix fallout from -Wunused-parameter 
function                                             old     new   delta
bbunpack                                             358     366      +8
passwd_main                                         1070    1072      +2
handle_incoming_and_exit                            2651    2653      +2
getpty                                                88      86      -2
script_main                                          975     972      -3
inetd_main                                          2036    2033      -3
dname_enc                                            377     373      -4
make_new_session                                     474     462     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/5 up/down: 12/-24)            Total: -12 bytes
   text    data     bss     dec     hex filename
 797429     658    7428  805515   c4a8b busybox_old
 797417     658    7428  805503   c4a7f busybox_unstripped
 2008-03-17 09:04:04 +00:00
Denis Vlasenko
fb29038b59 libbb: inntroduce and use bb_pstrcmp() and qsort_string_vector() 
msh: glob0/glob1/glob2/glob3 are just a sorting routine! remove them.

bb_pstrcmp                                             -      25     +25
qsort_string_vector                                    -      24     +24
expand                                              2209    2227     +18
getopt32                                            1359    1370     +11
passwd_main                                         1072    1074      +2
handle_incoming_and_exit                            2737    2735      -2
UNSPEC_print                                          66      64      -2
forkexec                                            1343    1339      -4
input_tab                                           3338    3330      -8
get_dir                                              185     177      -8
expmeta                                              481     473      -8
cmdputs                                              405     397      -8
xstrcmp                                               12       -     -12
find_pair                                            187     167     -20
match_compare                                         25       -     -25
dir_strcmp                                            25       -     -25
glob2                                                 27       -     -27
glob3                                                 34       -     -34
glob1                                                256       -    -256
------------------------------------------------------------------------------
(add/remove: 2/6 grow/shrink: 3/8 up/down: 80/-439)          Total: -359 bytes
 2008-03-02 12:51:26 +00:00
Denis Vlasenko
574f2f4394 *: add optimization barrier to all "G trick" locations 2008-02-27 18:41:59 +00:00
Denis Vlasenko
6f1713f216 *: intrduce and use safe_gethostname. By Tito <farmatito AT tiscali.it> 
safe_gethostname                                       -      48     +48
glob3                                                 35      37      +2
timestamp_and_log                                    314     315      +1
udhcp_send_kernel_packet                             234     231      -3
scan_tree                                            275     271      -4
passwd_main                                         1074    1070      -4
print_login_prompt                                    68      58     -10
obscure                                              392     377     -15
syslogd_main                                         882     866     -16
print_login_issue                                    516     478     -38
hostname_main                                        278     223     -55
parse_and_put_prompt                                 825     756     -69
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/9 up/down: 51/-214)          Total: -163 bytes
   text    data     bss     dec     hex filename
 798791     728    7484  807003   c505b busybox_old
 798631     728    7484  806843   c4fbb busybox_unstripped
 2008-02-25 23:23:58 +00:00
Denis Vlasenko
e376d454bb libbb: introduce and use nonblock_safe_read(). Yay! 
Our shells are immune from this nasty O_NONBLOCK now!

function                                             old     new   delta
nonblock_safe_read                                     -      78     +78
file_get                                             276     295     +19
generateMTFValues                                    428     435      +7
read_line_input                                     1776    1772      -4
preadbuffer                                          543     450     -93
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/2 up/down: 104/-97)             Total: 7 bytes
   text    data     bss     dec     hex filename
 615190     715   23924  639829   9c355 busybox_old
 615168     715   23924  639807   9c33f busybox_unstripped
 2008-02-20 22:23:24 +00:00
Denis Vlasenko
6f04391cec lineedit: tiny shrink 2008-02-18 22:28:03 +00:00
Denis Vlasenko
39487e2d6a libbb: filename completion should match dangling symlinks too 2008-02-14 19:55:58 +00:00
Denis Vlasenko
80667e30fb msh: fix Ctrl-C handling with line editing 2008-02-02 18:35:55 +00:00
Paul Fox
518d8dd979 eliminated CONFIG_FEATURE_EDITING_FANCY_KEYS. the size savings 
was small, compared to the total size of the command-line editing
features, and it removed key bindings that most wouldn't consider
"fancy", like ^U, and 'l' and 'h' in vi mode, ^F and ^B in emacs
mode.
 2008-01-18 20:41:24 +00:00
Paul Fox
84bbac5a09 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).
 2008-01-11 16:50:08 +00:00
Paul Fox
ee8e3ee919 allow 8-bit characters 2008-01-11 16:12:57 +00:00
Denis Vlasenko
6b404431aa ps: fix build breakage from vda's recent commit 
*: whitespace fixes
 2008-01-07 16:13:14 +00:00
Denis Vlasenko
f7be20e70c 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
 2007-12-24 14:09:19 +00:00
Denis Vlasenko
9cb220be9d lineedit: don't violate API if we do simple fgets 
ash: cosmetic style fixes, no code changes
 2007-12-09 10:03:28 +00:00
Denis Vlasenko
7221c8c22d 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
 2007-12-03 10:45:14 +00:00
Denis Vlasenko
6672c8e480 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
 2007-11-30 07:29:05 +00:00
Denis Vlasenko
73cb1fdfea lineedit: stop using both data/bss and tons of stack. 
stack usage was ~10 kb!
unfortunately, noticeable code size growth:
   text    data     bss     dec     hex filename
   9252      12     181    9445    24e5 busybox.t7/libbb/lineedit.o
   9714       4       0    9718    25f6 busybox.t8/libbb/lineedit.o
 2007-11-10 01:35:47 +00:00
Denis Vlasenko
037576d77b read_line_input: fix it to not do any fancy editing if echoing is disabled. 
ash: make read handling both more correct and smaller

read_line_input                                     4037    4101     +64
input_backward                                       140     139      -1
readcmd                                             1079    1070      -9
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 65/-10)             Total: 54 bytes
   text    data     bss     dec     hex filename
 777575    1000    9532  788107   c068b busybox_old
 777629    1000    9532  788161   c06c1 busybox_unstripped
 2007-10-20 18:30:38 +00:00
Denis Vlasenko
f74194e942 xatonum.h: add comment 
lineedit: fix typo in comment
httpd: support for proxying connection to other http server
(by Alex Landau <landau_alex@yahoo.com>)
 2007-10-18 12:54:39 +00:00
Denis Vlasenko
feb7ae7f01 printf("%s\n") -> puts() 2007-10-01 12:05:12 +00:00
Denis Vlasenko
e918e155ed remove stray semicolon 2007-09-28 21:56:36 +00:00
Denis Vlasenko
4daad9004d introduce bb_putchar(). saves ~1800 on uclibc (less on glibc). 2007-09-27 10:20:47 +00:00
Denis Vlasenko
86b29ea9e8 lineedit: plug memory leak 2007-09-27 10:17:16 +00:00
Denis Vlasenko
6a5377ac14 documentation bits in comments, no code changes 2007-09-25 18:35:28 +00:00
Denis Vlasenko
dc757aa16c introduce and use bb_basename() 
function                                             old     new   delta
bb_basename                                            -      26     +26
sv_main                                             1226    1225      -1
passwd_main                                         1985    1983      -2
showdirs                                             482     478      -4
sendCgi                                             1811    1807      -4
make_device                                         1354    1350      -4
handleIncoming                                      2443    2439      -4
func_name                                             82      78      -4
service_name                                        2292    2285      -7
main                                                 909     901      -8
cmp_main                                             555     547      -8
test_main                                            434     422     -12
act                                                  228     216     -12
find_pair                                            180     164     -16
rmmod_main                                           298     280     -18
find_pid_by_name                                     156     134     -22
modprobe_main                                       1606    1576     -30
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/16 up/down: 26/-156)         Total: -130 bytes
   text    data     bss     dec     hex filename
 734933    3028   14400  752361   b7ae9 busybox_old
 734801    3028   14400  752229   b7a65 busybox_unstripped
 2007-06-30 08:04:05 +00:00