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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
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(add/remove: 0/0 grow/shrink: 2/3 up/down: 49/-68) Total: -19 bytes
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dd: correct wrongly capitalized constant
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(by "Kirill K. Smirnov" <lich@math.spbu.ru>)
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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
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(add/remove: 2/1 grow/shrink: 4/19 up/down: 125/-423) Total: -298 bytes
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no forking anymore, bunzip2 unpack routine now does all it in memory.
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rename sllep_and_die -> xfunc_die
make fflush_stdout_and_exit NOFORK-safe
fix some buglets found by randomconfig
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echo: use fputs if no options are given. Code growth ~15 bytes.
Old:
# time ./busybox find $bigdir -exec echo {} \; >/dev/null
real 0m2.038s
user 0m0.761s
sys 0m0.953s
New:
# time ./busybox find $bigdir -exec echo {} \; >/dev/null
real 0m1.781s
user 0m0.781s
sys 0m0.939s
For comparison: without NOFORK:
# time find $bigdir -exec echo {} \; >/dev/null
real 1m51.129s
user 0m38.442s
sys 1m3.350s
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Put big scary warnings in relevant places.
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use it for making NOFORK more practical.
touch: make it a NOFORK applet
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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
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fix few #ifndef ENABLE_xxx
# size busybox_old busybox_unstripped
text data bss dec hex filename
677152 2920 18208 698280 aa7a8 busybox_old
676420 2920 18208 697548 aa4cc busybox_unstripped
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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
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(add/remove: 0/1 grow/shrink: 0/8 up/down: 0/-128) Total: -128 bytes
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recursive_actions: uppercase flag constants
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Seen in the testsuite for du -l .../testsuite on exit with CLEAN_UP enabled.
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text data bss dec hex filename
1431 0 4 1435 59b tail.o.orig
1396 0 0 1396 574 tail.o
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bugs
text data bss dec hex filename
1969 0 32 2001 7d1 dd.o.oorig
1941 0 0 1941 795 dd.o
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text data bss dec hex filename
6220 8 14 6242 1862 stty.o.oorig
6219 8 0 6227 1853 stty.o
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text data bss dec hex filename
4517 0 34 4551 11c7 stat.o.oorig
4300 0 30 4330 10ea stat.o
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text data bss dec hex filename
2522 0 0 2522 9da expr.o.r18305
2478 0 0 2478 9ae expr.o
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text data bss dec hex filename
2577 0 4 2581 a15 expr.o
2522 0 0 2522 9da expr.o
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udpsvd: fake it compile
tcpsvd: more optimal memorizing of IP's for -C
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text data bss dec hex filename
3154 0 172 3326 cfe test.o.oorig
2683 0 172 2855 b27 test.o
This applet should be rewritten not to use such odd lexer semantics.
It duplicates code from all over the place (see XXX).
brrr
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- 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
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Minor size improvement (-16b for size, -24b according to bloat-o-meter).
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this one should be able to handle huge files.
text data bss dec hex filename
664 4 0 668 29c busybox.t0/coreutils/split.o
628 0 0 628 274 busybox.t1/coreutils/split.o
split_main 488 525 +37
suffix_len 4 - -4
next_file 77 - -77
(add/remove: 0/2 grow/shrink: 1/0 up/down: 37/-81) Total: -44 bytes
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- fix glitch in next_file (suffices were exhaused too early).
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too big..
text data bss dec hex filename
602 4 0 606 25e coreutils/split.o
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