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
