Age | Commit message (Collapse) | Author |
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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
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(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
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(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
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(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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top: show cmdline, not comm field
(fixes problems with re-execed applets showing as processes with name "exe",
and not being found by pidof/killall by applet name)
function old new delta
find_pid_by_name 98 156 +58
procps_scan 692 732 +40
top_main 2724 2762 +38
find_pair 164 180 +16
collect_int 114 123 +9
cmp_main 547 555 +8
collect_fork 112 119 +7
collect_ctx 112 119 +7
read_package_field 253 257 +4
passwd_main 1983 1985 +2
process_stdin 435 433 -2
xstrtoul_range_sfx 229 226 -3
get_next_block 1852 1849 -3
arith 2042 2033 -9
sv_main 1236 1226 -10
singlemount 4690 4672 -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 10/6 up/down: 189/-45) Total: 144 bytes
text data bss dec hex filename
734789 3028 14400 752217 b7a59 busybox_old
734933 3028 14400 752361 b7ae9 busybox_unstripped
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<wharms@bfs.de>)
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install: fix -s (strip) option
nmeter: add TODO
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