Age | Commit message (Collapse) | Author |
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-20 bytes code size
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a=55; echo $(($a + 1)) $((1 + $((2)) + `echo $a`))
work as expected
function old new delta
handle_dollar - 667 +667
parse_stream_dquoted - 316 +316
expand_variables 2124 2272 +148
is_assignment 134 215 +81
parse_stream 2038 1240 -798
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(add/remove: 2/0 grow/shrink: 2/1 up/down: 1212/-798) Total: 414 bytes
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function old new delta
ash_arith - 143 +143
expand_variables 2102 2124 +22
popstring 134 140 +6
parse_command 1460 1463 +3
trapcmd 236 238 +2
changepath 197 196 -1
raise_interrupt 86 83 -3
hush_main 1012 991 -21
ash_main 1388 1364 -24
arith_set_local_var 73 34 -39
dash_arith 117 - -117
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(add/remove: 1/1 grow/shrink: 4/5 up/down: 176/-205) Total: -29 bytes
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any shell (like hush!)
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dumpleases: show hostnames
function old new delta
add_lease 230 292 +62
send_offer 403 421 +18
send_ACK 232 249 +17
read_leases 249 258 +9
dumpleases_main 604 609 +5
nobody_responds_to_arp 84 86 +2
udhcp_end_option 32 30 -2
udhcp_get_option 222 171 -51
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(add/remove: 0/0 grow/shrink: 6/2 up/down: 113/-53) Total: 60 bytes
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build system: tweak for rare case where include/autoconf.h
does not get updated
function old new delta
packed_usage 26238 26242 +4
sendmail_main 1353 897 -456
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 4/-456) Total: -452 bytes
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function old new delta
builtin_wait 174 275 +101
sigwaitinfo - 48 +48
__GI_sigwaitinfo - 48 +48
check_and_run_traps 133 169 +36
checkjobs 349 380 +31
hush_main 971 991 +20
static.zero_timespec - 8 +8
run_list 2010 2016 +6
file_get 254 260 +6
static.zero_ts 8 - -8
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(add/remove: 3/1 grow/shrink: 6/0 up/down: 304/-8) Total: 296 bytes
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function old new delta
file_get 219 254 +35
check_and_run_traps 122 133 +11
run_list 2001 2010 +9
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 55/0) Total: 55 bytes
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any harm
if they will be called. saves many sigaction calls on every fork.
function old new delta
hush_main 887 971 +84
sigexit 54 65 +11
run_list 2006 2001 -5
maybe_set_sighandler 76 50 -26
set_fatal_sighandler 186 - -186
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(add/remove: 0/1 grow/shrink: 2/2 up/down: 95/-217) Total: -122 bytes
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expect minor breakage
function old new delta
set_fatal_sighandler 12 186 +174
check_and_run_traps - 122 +122
maybe_set_sighandler - 76 +76
hush_main 831 887 +56
sigtimedwait - 50 +50
__GI_sigtimedwait - 50 +50
hush_exit 49 93 +44
set_mode 749 777 +28
pseudo_exec_argv 131 151 +20
static.zero_ts - 8 +8
expand_variables 1962 1970 +8
builtin_wait 172 174 +2
set_misc_sighandler 12 - -12
set_jobctrl_sighandler 12 - -12
handler_ctrl_c 16 - -16
builtin_set_mode 28 - -28
handle_trap 97 - -97
handler_ctrl_z 107 - -107
builtin_trap 545 438 -107
run_list 2149 2006 -143
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(add/remove: 5/6 grow/shrink: 7/2 up/down: 638/-522) Total: 116 bytes
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use xlseek and xread; simpler check for ELF signature.
text data bss dec hex filename
824460 476 7616 832552 cb428 busybox_old
824333 476 7616 832425 cb3a9 busybox_unstripped
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committed
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(incidentally it helps gcc to make code smaller)
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rather than using endp
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maybe_die()
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processing so it doesnt clobber argv when setting options, and barf on unhandled set options
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