Age | Commit message (Collapse) | Author |
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function old new delta
scan_dir_links - 106 +106
add_inode - 89 +89
scan_link - 78 +78
file_to_dev_inode - 64 +64
search_dev_inode - 63 +63
add_pid - 39 +39
packed_usage 23948 23928 -20
fuser_add_pid 49 - -49
fuser_file_to_dev_inode 64 - -64
fuser_search_dev_inode 77 - -77
fuser_scan_link 91 - -91
fuser_scan_dir_links 108 - -108
fuser_add_inode 124 - -124
fuser_main 1450 1243 -207
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(add/remove: 6/6 grow/shrink: 0/2 up/down: 439/-740) Total: -301 bytes
text data bss dec hex filename
798327 658 7428 806413 c4e0d busybox_old
797988 658 7428 806074 c4cba busybox_unstripped
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login,su: fix setup_environment() so that it works as intended
(parameter names were a bit misleading)
fdisk: shrink
help text: shrink
function old new delta
login_main 1658 1701 +43
setup_environment 206 203 -3
dos_compatible_flag 4 1 -3
dos2unix_main 383 375 -8
get_boot 1724 1702 -22
fdisk_main 2949 2889 -60
packed_usage 24250 23948 -302
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(add/remove: 0/0 grow/shrink: 1/6 up/down: 43/-398) Total: -355 bytes
text data bss dec hex filename
798768 661 7428 806857 c4fc9 busybox_old
798327 658 7428 806413 c4e0d busybox_unstripped
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watch_main 327 263 -64
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which sets same handler for many signals. sig_catch is nuked
(bb_signals_recursive is more descriptive name).
*: use them as appropriate.
function old new delta
bb_signals_recursive - 95 +95
bb_signals - 52 +52
run_command 258 273 +15
svlogd_main 1368 1377 +9
runsv_main 1746 1752 +6
runsvdir_main 1643 1646 +3
UNSPEC_print 64 66 +2
time_main 1128 1127 -1
...
resize_main 246 210 -36
sig_catch 63 - -63
set_fatal_sighandler 85 14 -71
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(add/remove: 2/1 grow/shrink: 5/24 up/down: 182/-548) Total: -366 bytes
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By Vladimir Dronnikov <dronnikov at gmail.com>.
fdisk and top are converted as an example.
function old new delta
getopt32 1340 1370 +30
top_main 1137 1120 -17
fdisk_main 3033 2949 -84
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 30/-101) Total: -71 bytes
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size-neutral WRT -std=gnu99 and fixes several compilation errors for strict
C99 mode.
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*: whitespace fixes
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function old new delta
smart_ulltoa4 - 280 +280
smart_ulltoa5 283 408 +125
ulltoa6_and_space - 25 +25
scale 28 38 +10
bbunpack 358 366 +8
ps_main 259 261 +2
glob3 35 37 +2
fill_bounds 172 174 +2
process_stdin 456 446 -10
smart_ulltoa6 406 - -406
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(add/remove: 2/1 grow/shrink: 6/1 up/down: 454/-416) Total: 38 bytes
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appletli.c: add vda's (C)
top: fixlet for incorrect display of "0"
Makefile: reduce stack size from 20k to 16k
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code shrink:
text data bss dec hex filename
775565 929 9100 785594 bfcba busybox_old
775296 929 9100 785325 bfbad busybox_unstripped
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pidof: do not output empty line if nothing found
testsuite: disable false positive
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text data bss dec hex filename
777209 974 9676 787859 c0593 busybox_old
777042 974 9676 787692 c04ec busybox_unstripped
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EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
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function old new delta
safe_poll - 77 +77
svlogd_main 1470 1466 -4
zcip_main 1530 1524 -6
forkexec 1345 1338 -7
decode_format_string 795 788 -7
collect_blk 474 467 -7
buffer_pread 540 532 -8
tftp 1182 1172 -10
microcom_main 763 749 -14
arpping 441 424 -17
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/9 up/down: 77/-80) Total: -3 bytes
text data bss dec hex filename
770162 1034 10404 781600 bed20 busybox_old
770158 1034 10404 781596 bed1c busybox_unstripped
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code shrank with and without TOPMEM:
top_main 828 844 +16
display_process_list 1525 1473 -52
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 16/-52) Total: -36 bytes
top_main 1150 1171 +21
display_topmem_process_list 1150 1167 +17
display_process_list 1525 1473 -52
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 38/-52) Total: -14 bytes
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+80 bytes when disabled (mainly because of text wrapping fixes
in display_process_list).
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suitable for expressing total RAM in system). We account
for "32 bit in 64 bit" systems by storing kbytes, not bytes
there. Should allow for up to ~2000 Gb RAM on 32 bits.
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top: make code a bit more readable.
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smart_ulltoa5: make it more cryptic. -50 bytes.
function old new delta
passwd_main 1095 1103 +8
getNum 557 565 +8
buffer_fill_and_print 73 76 +3
udhcpc_main 2393 2395 +2
mkfs_minix_main 3071 3070 -1
dname_enc 377 373 -4
expmeta 480 472 -8
smart_ulltoa5 334 283 -51
top_main 911 815 -96
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/5 up/down: 21/-160) Total: -139 bytes
text data bss dec hex filename
770872 1063 10788 782723 bf183 busybox_old
770732 1063 10788 782583 bf0f7 busybox_unstripped
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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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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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(not everyone likes them - but code does get smaller).
display_generic - 761 +761
static.fmt_100percent_8 - 111 +111
fmt_100percent_8 101 - -101
display_status 1489 581 -908
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 0/1 up/down: 872/-1009) Total: -137 bytes
text data bss dec hex filename
677020 3344 13936 694300 a981c busybox_old
676876 3344 13936 694156 a978c busybox_unstripped
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fmt_100percent_8 - 101 +101
.rodata 129185 129153 -32
display_status 1726 1489 -237
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/2 up/down: 101/-269) Total: -168 bytes
text data bss dec hex filename
677180 3344 13936 694460 a98bc busybox_old
677020 3344 13936 694300 a981c busybox_unstripped
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display_status 1787 1726 -61
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-61) Total: -61 bytes
text data bss dec hex filename
677244 3344 13936 694524 a98fc busybox_old
677180 3344 13936 694460 a98bc busybox_unstripped
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function old new delta
display_status - 1231 +1231
read_cmdline - 101 +101
parse_conf 1284 1303 +19
arith 2033 2042 +9
collect_blk 467 474 +7
fsck_main 1909 1911 +2
dhcprelay_main 1125 1122 -3
singlemount 4555 4547 -8
read_close 50 36 -14
get_lcm 123 105 -18
ed_main 3111 3084 -27
func_args 73 28 -45
procps_scan 732 658 -74
top_main 2187 899 -1288
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 4/8 up/down: 1369/-1477) Total: -108 bytes
text data bss dec hex filename
676048 2744 13968 692760 a9218 busybox_old
675940 2744 13968 692652 a91ac busybox_unstripped
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