Age | Commit message (Collapse) | Author |
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diff: small code shrink
function old new delta
grep_main 722 714 -8
diffreg 1825 1793 -32
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-40) Total: -40 bytes
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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
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(add/remove: 0/0 grow/shrink: 3/1 up/down: 11/-18) Total: -7 bytes
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by Joe Krahn <krahn AT niehs.nih.gov>
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function old new delta
getopt32 1370 1385 +15
sulogin_main 490 494 +4
realpath_main 84 86 +2
sleep_main 76 77 +1
mt_main 256 257 +1
printenv_main 75 74 -1
fdformat_main 546 545 -1
usleep_main 44 42 -2
setlogcons_main 77 75 -2
ed_main 2654 2649 -5
deallocvt_main 69 64 -5
addgroup_main 373 368 -5
mkfs_minix_main 2989 2982 -7
tail_main 1221 1213 -8
sv_main 1254 1241 -13
du_main 348 328 -20
tftp_main 325 302 -23
split_main 581 558 -23
nc_main 1000 977 -23
diff_main 891 868 -23
arping_main 1797 1770 -27
ls_main 893 847 -46
od_main 2797 2750 -47
readprofile_main 1944 1895 -49
tcpudpsvd_main 1973 1922 -51
udhcpc_main 2590 2513 -77
grep_main 824 722 -102
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(add/remove: 0/0 grow/shrink: 5/22 up/down: 23/-560) Total: -537 bytes
text data bss dec hex filename
796973 658 7428 805059 c48c3 busybox_old
796479 662 7420 804561 c46d1 busybox_unstripped
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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
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(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
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function old new delta
procps_scan 1265 1298 +33
aliascmd 278 283 +5
parse_file_cmd 116 120 +4
dname_enc 373 377 +4
setcmd 90 93 +3
execcmd 57 60 +3
count_lines 72 74 +2
process_command_subs 340 339 -1
test_main 409 407 -2
mknod_main 179 177 -2
handle_incoming_and_exit 2653 2651 -2
argstr 1312 1310 -2
shiftcmd 131 128 -3
exitcmd 46 43 -3
dotcmd 297 294 -3
breakcmd 86 83 -3
evalpipe 353 349 -4
evalcommand 1180 1176 -4
evalcmd 109 105 -4
send_tree 374 369 -5
mkfifo_main 82 77 -5
evalsubshell 152 147 -5
typecmd 75 69 -6
letcmd 61 55 -6
add_cmd 1190 1183 -7
main 891 883 -8
ash_main 1415 1407 -8
parse_stream 1377 1367 -10
alloc_procps_scan 55 - -55
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(add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148) Total: -94 bytes
text data bss dec hex filename
797195 658 7428 805281 c49a1 busybox_old
797101 658 7428 805187 c4943 busybox_unstripped
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EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
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263 bytes saved.
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by replacing "=" by "|=" here:
found |= strstr(line, gl->pattern) != NULL;
grep: optimization: stop on first -e match
grep: stop using bss. -40 bytes
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on the command line, e.g. "find / /boot -xdev".
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(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes
text data bss dec hex filename
773469 1058 11092 785619 bfcd3 busybox_old
772644 1058 11092 784794 bf99a busybox_unstripped
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*: style fixes
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trylink: explain how to modify link and drastically decrease amount
of padding (unfortunately, needs hand editing ATM).
*: add ALIGN1 / ALIGN2 to global strings and arrays of bytes and shorts
size saving: 0.5k
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function old new delta
xstrtoul_range_sfx 226 217 -9
xstrtoull_range_sfx 291 280 -11
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-20) Total: -20 bytes
text data bss dec hex filename
669128 2668 13616 685412 a7564 busybox_old
669108 2668 13616 685392 a7550 busybox_unstripped
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which scans thru "abc\0def\0123\0\0" type strings. Saves 250 bytes.
text data bss dec hex filename
781266 1328 11844 794438 c1f46 busybox_old
781010 1328 11844 794182 c1e46 busybox_unstripped
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grep_file 771 822 +51
packed_usage 22573 22610 +37
.rodata 128058 128090 +32
grep_main 842 853 +11
max_matches - 4 +4
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(add/remove: 1/0 grow/shrink: 4/0 up/down: 135/0) Total: 135 bytes
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print_line 152 170 +18
did_print_line - 1 +1
grep_file 788 771 -17
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(add/remove: 1/0 grow/shrink: 1/1 up/down: 19/-17) Total: 2 bytes
text data bss dec hex filename
673368 2740 13968 690076 a879c busybox_old
673368 2740 13968 690076 a879c busybox_unstripped
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(found by Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn@axis.com>)
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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
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(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
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find: make it a bit smaller
function old new delta
.rodata 129018 129050 +32
parse_params 1509 1346 -163
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 32/-163) Total: -131 bytes
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(needed for Linux 2.6.22-rc4 build)
-maxdepth:
# size busybox_old busybox_unstripped
text data bss dec hex filename
675622 2792 15728 694142 a977e busybox_old
675770 2792 15728 694290 a9812 busybox_unstripped
-regex:
# size busybox_old busybox_unstripped
text data bss dec hex filename
675770 2792 15728 694290 a9812 busybox_old
675894 2792 15728 694414 a988e busybox_unstripped
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(Maxime Bizon <mbizon@freebox.fr> (Freebox))
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*: s/include "busybox.h"/include "libbb.h"
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Put big scary warnings in relevant places.
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applets.h: +#undef APPLET_NOEXEC
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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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recursive_actions: uppercase flag constants
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find: -group, -depth (Natanael Copa <natanael.copa@gmail.com>)
find: make constant array static, declare PARM_xx constants with enum
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