Commit Graph

1020 Commits

Author SHA1 Message Date
Denis Vlasenko
459be35234 hwclock: size optimizations
libbb/time.c: new file, introducing monotonic_us()
pscan, traceroute, arping: use it instead of gettimeofday
ping, zcip: TODO

function                                             old     new   delta
monotonic_us                                           -      89     +89
find_pair                                            164     180     +16
.rodata                                           129747  129763     +16
refresh                                             1144    1152      +8
............
timeout                                                8       4      -4
static.start                                           8       4      -4
last                                                   8       4      -4
parse_conf                                          1303    1284     -19
time_main                                           1149    1124     -25
gettimeofday_us                                       39       -     -39
arping_main                                         2042    1969     -73
hwclock_main                                         594     501     -93
catcher                                              485     380    -105
traceroute_main                                     4300    4117    -183
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 8/11 up/down: 157/-562)        Total: -405 bytes
2007-06-17 19:09:05 +00:00
Denis Vlasenko
85532fc4d4 remove obsolete comment 2007-06-16 14:16:30 +00:00
Denis Vlasenko
53a0e97196 find: make -size match GNU find 2007-06-16 00:30:52 +00:00
Bernhard Reutner-Fischer
867266059b - vda perfers not to use the banner 2007-06-15 08:30:33 +00:00
Denis Vlasenko
d8540f71ac init: make sure fd 0,1,2 are not closed, + related optimizations.
init_main                                            929     920      -9
bb_daemonize_or_rexec                                145     127     -18
2007-06-14 07:53:06 +00:00
Denis Vlasenko
ca525b4f24 *: BB_BANNER -> bb_banner (it is not a const or #define)!
correct_password: explain in detail why it is ok to use bb_banner
fsck_minix: make it print bb version, not it's own (outdated/irrelevant) one

Marginal size difference:
   text    data     bss     dec     hex filename
 679119    2700   15632  697451   aa46b busybox_old
 679091    2700   15632  697423   aa44f busybox_unstripped
2007-06-13 12:27:17 +00:00
Denis Vlasenko
d67cef2425 hush: fix read builtin to not read ahead past eol and to not use
insane amounts of stack. Testsuite updated.
2007-06-13 06:47:47 +00:00
Denis Vlasenko
f5f75c5e82 remove nearly-duplicate PATHs in several places
function                                             old     new   delta
bb_PATH_root_path                                      -      35     +35
varunset                                              60      58      -2
arith                                               2042    2033      -9
bb_default_root_login_path                            30       -     -30
.rodata                                           128794  128762     -32
which_main                                           152     117     -35
defpathvar                                            40       -     -40
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 0/4 up/down: 35/-148)          Total: -113 bytes
2007-06-12 22:35:19 +00:00
Denis Vlasenko
f312e32662 login: make /etc/nologin support configurable. -240 bytes if not selected. 2007-06-12 22:04:57 +00:00
Denis Vlasenko
3ad5d0cbbe diff: shrink code (-85 bytes):
function                                             old     new   delta
fiddle_sum                                             8       -      -8
diffreg                                             2717    2690     -27
prepare                                              334     284     -50
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/2 up/down: 0/-85)             Total: -85 bytes

s/ATTRIBUTE_ALWAYS_INLINE/ALWAYS_INLINE/g
2007-06-12 20:54:54 +00:00
Denis Vlasenko
15611bb958 A few more string duplicates found & eliminated
# size busybox_old busybox_unstripped
   text    data     bss     dec     hex filename
 679693    2700   15632  698025   aa6a9 busybox_old
 679523    2700   15632  697855   aa5ff busybox_unstripped
2007-06-12 08:52:02 +00:00
Denis Vlasenko
aa198dd39c uudecode: nuke duplicate base64_table[]. saves 65 bytes 2007-06-12 07:24:11 +00:00
Bernhard Reutner-Fischer
d71e45856e - use bb_msg_full_version instead of a separate string. Saves a minor 3 bytes. 2007-06-11 15:09:21 +00:00
Denis Vlasenko
5a65447e30 top: add config option and code for global CPU % display 2007-06-10 17:11:59 +00:00
Denis Vlasenko
e8a0788b24 moved biggest stack buffers to malloc space, or made their size configurable
(8k of shell line edit buffer is an overkill)

# make ARCH=i386 bloatcheck
function                                             old     new   delta
read_line_input                                     3933    3967     +34
ifaddrlist                                           348     345      -3
do_loadfont                                          208     191     -17
edit_file                                            840     819     -21
.rodata                                           129112  129080     -32
uncompress                                          1305    1268     -37
loadfont_main                                        566     495     -71
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/6 up/down: 34/-181)          Total: -147 bytes
2007-06-10 15:08:44 +00:00
Denis Vlasenko
65e14b4588 login: ask passwords even for wrong usernames.
# size busybox_old busybox_unstripped
   text    data     bss     dec     hex filename
 680099    2704   15648  698451   aa853 busybox_old
 680110    2704   15648  698462   aa85e busybox_unstripped
2007-06-08 15:27:06 +00:00
Denis Vlasenko
bdbbb7ec49 make busybox --install work even if /proc/self/exe doesn't exist
# size busybox_old busybox_unstripped
   text    data     bss     dec     hex filename
 680095    2704   15648  698447   aa84f busybox_old
 680099    2704   15648  698451   aa853 busybox_unstripped
2007-06-08 15:02:55 +00:00
Denis Vlasenko
0696b8aae8 ps: fix -Z (by Yuichi Nakamura <ynakam@hitachisoft.jp>) 2007-06-06 07:40:16 +00:00
Denis Vlasenko
5c51a7ca52 nc: make connecting to IPv4 from IPv6-enabled hosts easier
(was requiring -s <local addr>)
2007-06-05 20:08:11 +00:00
Denis Vlasenko
74324c8666 Audit bb_common_bufsiz usage, add script which looks for misuse.
tr: stop using globals needlessly.
code: -103 bytes
2007-06-04 10:16:52 +00:00
Denis Vlasenko
9a7d38fe24 delete tons of extra #includes 2007-05-31 22:42:12 +00:00
Denis Vlasenko
fad2b86c9e use "glibc errno" trick not only for ash, but for entire busybox
(add/remove: 1/1 grow/shrink: 37/37 up/down: 139/-228)        Total: -89 bytes
2007-05-31 22:16:38 +00:00
Denis Vlasenko
4b924f3a5c whitespace fixes 2007-05-30 00:29:55 +00:00
Denis Vlasenko
4ef7d3a2de verror_msg: don't printf(NULL) 2007-05-29 21:41:28 +00:00
Denis Vlasenko
b6adbf1be2 usage.c: remove reference to busybox.h
*: s/include "busybox.h"/include "libbb.h"
2007-05-26 19:00:18 +00:00
Denis Vlasenko
5a6aeddfa7 xpipe: introduce (saves ~170 bytes)
udhcp/signalpipe.c: use pipe instead of socketpair.
2007-05-26 16:44:20 +00:00
Denis Vlasenko
b055001b6a hush: fix handling of unmatched ${name (without closing '}') -
was eating all remaining input, potentially megabytes.
nofork: save/restore die_jmp too
nofork: use -2222 instead of -111 as "special" return valur for zero
(-111 is used by some applets. -2222 won't fit in exitcode and thus safer)
2007-05-24 12:18:16 +00:00
Denis Vlasenko
96f67dc69d more compile fixes from randomconfig run 2007-05-17 13:02:41 +00:00
Denis Vlasenko
d46e6d1a55 fix trivial compile errors found by randomconfig run 2007-05-17 12:58:30 +00:00
Denis Vlasenko
a035e9f1a9 cryptpw: forgot svn add... how typical of me :( 2007-05-08 23:23:35 +00:00
Denis Vlasenko
7e84e539de cryptpw: new applet (a bit less than 3k added)
(by Thomas Lundquist <lists@zelow.no>)
2007-05-08 17:52:17 +00:00
Denis Vlasenko
3bc18253b0 fix suid config handling 2007-05-02 23:01:32 +00:00
Denis Vlasenko
dcf4de20a1 test: code size saving, no logic changes
ps: fix warning, make a bit smaller
kill -l: make smaller & know much more signals

function                                             old     new   delta
get_signum                                           121     153     +32
kill_main                                            826     843     +17
get_signame                                           44      36      -8
signals                                              252     224     -28
.rodata                                           131955  131923     -32
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/3 up/down: 49/-68)            Total: -19 bytes
2007-05-01 20:07:29 +00:00
Denis Vlasenko
18e19f2b0d hush: fix nofork + ctrl-Z clobbering of globals 2007-04-28 16:43:18 +00:00
Denis Vlasenko
706fdc98c3 find_root_device: use lstat - don't follow links 2007-04-21 23:28:03 +00:00
Denis Vlasenko
54e7ffb3a4 hush: begin fixing non-functional job control 2007-04-21 00:03:36 +00:00
Denis Vlasenko
8581863a1b procps: remove all global variables
text    data     bss     dec     hex filename
   1462      14      24    1500     5dc busybox.t2/procps/ps.o
   1484       0       0    1484     5cc busybox.t3/procps/ps.o
   3122       0     252    3374     d2e busybox.t1/procps/top.o
   3117       0       0    3117     c2d busybox.t3/procps/top.o
2007-04-19 14:47:11 +00:00
Denis Vlasenko
516a0ca2dc ps: add -o tty and -o rss support
1373      14      24    1411     583 busybox.t1/procps/ps.o
   1462      14      24    1500     5dc busybox.t2/procps/ps.o
2007-04-19 14:46:14 +00:00
Denis Vlasenko
c34d35557b loop device code: readability improvement 2007-04-19 00:09:34 +00:00
Denis Vlasenko
0922192740 lineedit: state->hist_file doesn't exist if !FEATURE_EDITING_SAVEHISTORY,
#ifdef it out
2007-04-15 13:21:01 +00:00
Denis Vlasenko
5f9468e996 lineedit: nuke two unused variables and code which sets them
applets: do not even try to read config if run by real root
msh: use named constants (O_RDONLY etc) in open() instead of magic numbers,
     other minor code size reduction.
2007-04-14 13:22:09 +00:00
Denis Vlasenko
bf3561fd15 lineedit: do not try to open NULL history file 2007-04-14 10:10:40 +00:00
Denis Vlasenko
f5294e1f4c hush: use NOFORK applets as appropriate. Net reduction of code size. 2007-04-14 10:09:57 +00:00
Denis Vlasenko
16abcd90ae teach find_root_device to deal with /dev/ subdirs
(by "Kirill K. Smirnov" <lich@math.spbu.ru>)
2007-04-13 23:59:52 +00:00
Denis Vlasenko
1d6a4aec2c make xsocket die with address family printed (if VERBOSE_RESOLUTION_ERRORS=y) 2007-04-13 21:26:20 +00:00
Denis Vlasenko
0de3c55b42 login: remove setpgrp call (makes it work from shell prompt again).
login: sanitize stdio descriptors (we are suid, need to be careful!)
shrink login and set_environment by ~100 bytes.
2007-04-12 12:31:02 +00:00
Denis Vlasenko
831a20f512 pass a copy of argv[i] to NOFORK applets (they may permute it etc).
set/save/restore more shared global variables whan call one applet from another
2007-04-12 12:27:32 +00:00
Bernhard Reutner-Fischer
b290889f02 - add xsendto and use where appropriate; shrink iplink; sanitize libiproute a bit.
-916 byte
2007-04-12 11:34:39 +00:00
Denis Vlasenko
51742f4bb0 style fixes. No code changes 2007-04-12 00:32:05 +00:00
Denis Vlasenko
50f7f446ec bb_full_fd_action: remove potential xmalloc from NOFORK path
cat: stop using stdio.h opens
libbb: introduce & use open[3]_or_warn
function                                             old     new   delta
open3_or_warn                                          -      54     +54
bb_cat                                               115     144     +29
open_or_warn                                           -      25     +25
unlzma                                              2404    2412      +8
chattr_main                                          334     339      +5
xstrtoul_range_sfx                                   251     255      +4
telnet_main                                         1514    1510      -4
static.opt                                             4       -      -4
qgravechar                                           122     118      -4
fuser_add_pid                                         61      54      -7
fuser_add_inode                                      154     147      -7
writeFileToTarball                                  1542    1534      -8
refresh                                             1156    1148      -8
do_show                                              856     846     -10
read_leases                                          212     200     -12
setup_redirects                                      236     222     -14
iproute_list_or_flush                               1582    1568     -14
read_config                                          427     411     -16
write_leases                                         284     264     -20
hash_file                                            338     318     -20
copy_file                                           1760    1740     -20
do_iproute                                          2610    2588     -22
bb_full_fd_action                                    320     269     -51
open_to_or_warn                                      103      49     -54
fuser_main                                          1660    1596     -64
.rodata                                           131160  131096     -64
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 4/19 up/down: 125/-423)        Total: -298 bytes
2007-04-11 23:20:53 +00:00
Denis Vlasenko
d571c08c25 fix misplaced #if 2007-04-11 07:26:56 +00:00
Denis Vlasenko
473dae080a add more convenient defines for [NO]MMU:
"#ifndef BB_NOMMU" is a double negative
2007-04-11 07:04:23 +00:00
Denis Vlasenko
f1a7141cfc random NOMMU fixes. compressed --help really does work for NOMMU! /me happy 2007-04-10 23:32:37 +00:00
Denis Vlasenko
80d14beae9 Rename two config options:
FEATURE_SH_STANDALONE_SHELL => FEATURE_SH_STANDALONE
FEATURE_EXEC_PREFER_APPLETS => FEATURE_PREFER_APPLETS
Make SH_STANDALONE depend on PREFER_APPLETS.
getopt.c: more randomconfig-induced fixes
2007-04-10 23:03:30 +00:00
Denis Vlasenko
c6758a07c6 make compressed help code NOMMU- and NOFORK-friendly -
no forking anymore, bunzip2 unpack routine now does all it in memory.
2007-04-10 21:40:19 +00:00
Denis Vlasenko
335b63d8d1 make a few struct bb_applet members conditional
rename sllep_and_die -> xfunc_die
make fflush_stdout_and_exit NOFORK-safe
fix some buglets found by randomconfig
2007-04-10 21:38:30 +00:00
Denis Vlasenko
99912ca733 audit small applets and mark some of them as NOFORK.
Put big scary warnings in relevant places.
2007-04-10 15:43:37 +00:00
Denis Vlasenko
ff131b980d style fixes. No code changes. 2007-04-10 15:42:06 +00:00
Bernhard Reutner-Fischer
7e8a53a335 - add libbb function str_tolower to convert a string to lowercase.
- shrink wget a bit
2007-04-10 09:37:29 +00:00
Denis Vlasenko
3f3aa2a57d make xfunctions optionally longjump instead of exit.
use it for making NOFORK more practical.
touch: make it a NOFORK applet
2007-04-09 21:35:07 +00:00
Denis Vlasenko
cd7001f705 factor out NOFORK/NOEXEC code from find. Use it for xargs too. 2007-04-09 21:32:30 +00:00
Denis Vlasenko
53d445aa75 wait4pid: if passed with pid < 0, do not set errno - it is already set by exec! 2007-04-09 13:21:33 +00:00
Denis Vlasenko
7e754f12d3 Implement first instance of NOFORK applet - echo
find: use NOFORK/NOEXEC; small -exec buglet also eliminated
vfork_daemon_rexec: honor PREFER_APPLETS
echo: small size improvements

find -exec echo {} \; with PREFER_APPLETS=y runs 4 times faster
2007-04-09 13:04:50 +00:00
Denis Vlasenko
8d9f495d68 getopt32: fix llist_t options ordering. llist_rev is not unused.
function                                             old     new   delta
tar_main                                             705     695     -10
sort_main                                            928     918     -10
decode_format_string                                 886     876     -10
run_parts_main                                       197     185     -12
ps_main                                              513     500     -13
wget_main                                           2764    2750     -14
awk_main                                            1014    1000     -14
od_main                                             2886    2866     -20
llist_rev                                             25       -     -25
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/8 up/down: 0/-128)           Total: -128 bytes
2007-04-08 15:08:42 +00:00
Denis Vlasenko
bbd695d801 find: fix handling of -prune
recursive_actions: uppercase flag constants
2007-04-08 10:52:28 +00:00
Denis Vlasenko
04c99ebb4f random small shrinkage and elimination of statics 2007-04-07 00:44:31 +00:00
Denis Vlasenko
5a30d59c3d svn add match_fstype.c :( 2007-04-05 22:19:43 +00:00
Denis Vlasenko
bf295dd5b6 [u]mount: extend -t option (Roy Marples <uberlord@gentoo.org>) 2007-04-05 21:57:47 +00:00
Denis Vlasenko
1bb552b1d9 libbb: add xunlink()
patch: do not try to delete same file twice
2007-04-05 21:25:15 +00:00
Denis Vlasenko
29fe7265b8 nc: port nc 1.10 to busybox 2007-04-05 20:26:28 +00:00
Bernhard Reutner-Fischer
bdd253e450 - fix segfault in reset_ino_dev_hashtable() when *hashtable was null.
Seen in the testsuite for du -l .../testsuite on exit with CLEAN_UP enabled.
2007-04-05 09:21:24 +00:00
Denis Vlasenko
729bd9e0b0 test: comment out unused code
udpsvd: fake it compile
tcpsvd: more optimal memorizing of IP's for -C
2007-04-02 12:37:28 +00:00
Denis Vlasenko
2856dab477 tcpsvd: new applet
It's a GPL-ed 'clone' of Dan Bernstein's tcpserver.
Author: Gerrit Pape <pape@smarden.org>
http://smarden.sunsite.dk/ipsvd/
size tcpsvd.o
   text    data     bss     dec     hex filename
   2571       4      16    2591     a1f tcpsvd.o
2007-04-01 01:18:20 +00:00
Bernhard Reutner-Fischer
eceecea568 - fix bug where we did not reject invalid classes like '[[:alpha'
- debloat while at it:
   text    data     bss     dec     hex filename
   1554       0      19    1573     625 tr.o.oorig
   1357       0      16    1373     55d tr.o
2007-03-30 14:43:27 +00:00
Bernhard Reutner-Fischer
3e816c1252 - fold recurse, depthFirst and dereference params into one param flags.
Minor size improvement (-16b for size, -24b according to bloat-o-meter).
2007-03-29 10:30:50 +00:00
Denis Vlasenko
450196c119 ps: work around libc bug: printf("%.*s\n", MAX_INT, buffer) 2007-03-28 21:57:12 +00:00
Denis Vlasenko
6a5598c2bc pidfile creation mode set to 0666 (umask affects it as usual) 2007-03-27 22:05:34 +00:00
Denis Vlasenko
ebf48bb80c forgotten svn add... 2007-03-27 22:02:06 +00:00
Denis Vlasenko
10457b90db make pidfile writing configurable.
[ui]toa_to_buf: change API. No users yet.
2007-03-27 22:01:31 +00:00
Denis Vlasenko
f4d40c87d3 remove_file: cosmetic code improvement, a few bytes saved 2007-03-26 23:14:38 +00:00
Denis Vlasenko
afa7023b46 zcip: make it work on NOMMU (+ improve NOMMU support machinery)
fsck: fix bad English in a comment
2007-03-26 17:25:33 +00:00
Denis Vlasenko
53091ecd20 Attempt to get more applets compile for NOMMU.
TODO_config_nommu documents what I managed to compile so far
(yay! msh works! cool). inetd, telnetd, httpd still do not compile. TODO
Also make fork(), daemon() produce warnings on compile stage
(in addition to erros on link stage).
2007-03-26 13:35:09 +00:00
Denis Vlasenko
bb7fcb4229 libbb: rework NOMMU helper API so that it makes more sense
and easier to use. Doesn't compile - need two more commits.
2007-03-26 13:20:04 +00:00
Denis Vlasenko
cad04ef4f3 add NOMMU fixme's; move move_fd from runit_lib to libbb; nuke fd_copy 2007-03-25 23:21:05 +00:00
Denis Vlasenko
219d14d514 random style fixes (extra spaces deleted) 2007-03-24 15:40:16 +00:00
Denis Vlasenko
9067f13be0 NOMMU re-exec trick shuld not depend on existence of "don't daemonize"
option for every affected applet (and dnsd, for example, don't have one).
Thus rework re-exec support to not require it. Code got smaller too.
2007-03-24 12:11:17 +00:00
Denis Vlasenko
1b6fa4c57c applets.c, xfunc.c: style cleanup 2007-03-24 12:08:36 +00:00
Denis Vlasenko
c86e052b81 fix accumulated whitespace and indentation damage 2007-03-20 11:30:28 +00:00
Denis Vlasenko
6b343ddbc8 fix inadvertently leaked PWD_BUFFER_SIZE 2007-03-18 00:57:15 +00:00
Denis Vlasenko
bff32ce4d5 gzip: Improve ptr_to_globals trick, allowing gcc
to optimize better. -480 bytes.
2007-03-15 19:48:35 +00:00
Denis Vlasenko
54d14ca1a2 copy_file: comment out one condition which is always false.
Add comment explaining POSIX rules for cp - and why
these rules are dangerous. Provide conditionally compiled code
for both POSIX and safe behaviors, select safe for now.
Code shrunk by ~80 bytes.
2007-03-15 13:33:37 +00:00
Denis Vlasenko
24af7201e9 fix TODO: getopt32 should reset optind to 1 itself 2007-03-15 13:28:46 +00:00
Denis Vlasenko
972288e62f modify ptr_to_globals trick so that we do not violate
type safety (well, sort of ;))
2007-03-15 00:57:01 +00:00
Denis Vlasenko
5659407595 swapon: reinstate hole check but reduce it to warning
inode_hash: remove unused variable
2007-03-14 22:55:39 +00:00
Denis Vlasenko
6ef06eeed4 stop using big static buffer for inode hash 2007-03-14 22:06:01 +00:00
Denis Vlasenko
75ab6af71e stop using (yet another) static buffer 2007-03-14 21:56:51 +00:00
Denis Vlasenko
07766bb0e7 gzip: reduce global data footprint, part 3 2007-03-14 00:06:51 +00:00
Denis Vlasenko
da799e8227 gzip: reduce global data footprint, part 2 2007-03-14 00:06:29 +00:00
Denis Vlasenko
5df955fce2 Do not fail password check if shadow password does not exist -
fall back to ordinary one

Reduced usage of functions returning datain static buffers.
(mostly passwd/group/shadow related):

function                                             old     new   delta
correct_password                                     143     193     +50
sulogin_main                                         490     533     +43
adduser_main                                         732     774     +42
passwd_main                                         1875    1915     +40
addgroup_main                                        330     365     +35
bb_internal_getspnam                                  38       -     -38
bb_internal_fgetpwent                                 38       -     -38
bb_internal_fgetgrent                                 38       -     -38
static.resultbuf                                     168      88     -80
static.buffer                                       1872    1104    -768
------------------------------------------------------------------------------
(add/remove: 0/3 grow/shrink: 5/2 up/down: 210/-962)         Total: -752 bytes
2007-03-13 13:01:14 +00:00
Denis Vlasenko
39c651e909 introduce and use setfscreatecon_or_die
(patch by Yuichi Nakamura <ynakam@hitachisoft.jp>)
runcon: *yet another* fix for vda's brainfart :(
2007-03-12 18:22:55 +00:00