Matheus Izvekov
b32aa0c274
diff: support long options
...
>>From 7b74284ebe6222cb714c37cdbb94633965f29e9b Mon Sep 17 00:00:00 2001
From: Matheus Izvekov <mizvekov@gmail.com>
Date: Mon, 18 Jan 2010 18:36:52 -0200
Subject: [PATCH] diff: support long options
Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-20 02:45:23 +01:00
Matheus Izvekov
fe1ce2e43e
diff: implement flag -B (Ignore changes whose lines are all blank)
...
>>From 7c3ce93213590bd0592435dc27d1272d0fd3309b Mon Sep 17 00:00:00 2001
From: Matheus Izvekov <mizvekov@gmail.com>
Date: Mon, 18 Jan 2010 15:52:31 -0200
Subject: [PATCH] diff: implement flag -B (Ignore changes whose lines are all blank)
function old new delta
diffreg 1196 1240 +44
.rodata 6538 6561 +23
packed_usage 457 478 +21
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 88/0) Total: 88 bytes
text data bss dec hex filename
70123 733 8576 79432 13648 busybox_old
70190 733 8576 79499 1368b busybox_unstripped
Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-20 02:45:05 +01:00
Matheus Izvekov
b7a044043c
diff: honor flag -i (ignore case differences)
...
>>From 503a1e1d2597f7cdf86a9ea39ebd2aee050ca759 Mon Sep 17 00:00:00 2001
From: Matheus Izvekov <mizvekov@gmail.com>
Date: Mon, 18 Jan 2010 14:06:26 -0200
Subject: [PATCH] diff: honor flag -i (ignore case differences)
function old new delta
read_token 157 178 +21
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/0 up/down: 21/0) Total: 21 bytes
text data bss dec hex filename
70102 733 8576 79411 13633 busybox_old
70123 733 8576 79432 13648 busybox_unstripped
Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-20 02:44:44 +01:00
Denys Vlasenko
9e0879a1cb
diff: add NOINLINE
...
function old new delta
create_J - 1805 +1805
diffreg 3159 1176 -1983
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 1805/-1983) Total: -178 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-18 06:15:57 +01:00
Denys Vlasenko
032bf65533
diff: defeat gcc's optimization
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-18 05:22:34 +01:00
Matheus Izvekov
d4a7728dc3
diff: rewrite. much smaller and more correct
...
function old new delta
diffreg 1815 3156 +1341
diff_main 860 1194 +334
read_token - 161 +161
skip_dir - 44 +44
seek_ft - 31 +31
fetch 362 392 +30
line_compar - 21 +21
add_to_dirlist 65 61 -4
print_only 16 - -16
skipline 51 - -51
newcand 85 - -85
asciifile 89 - -89
print_status 178 73 -105
make_temp 148 - -148
files_differ 168 - -168
get_recursive_dirlist 182 - -182
sort 226 - -226
prepare 283 - -283
change 283 - -283
do_diff 416 - -416
dump_unified_vec 457 - -457
check 1512 595 -917
------------------------------------------------------------------------------
(add/remove: 4/12 grow/shrink: 3/3 up/down: 1962/-3430) Total: -1468 bytes
Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-18 04:57:17 +01:00
Denys Vlasenko
8684cbb5cc
libbb: robustify isXXXX(). +39 bytes
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-18 11:34:43 +01:00
Denys Vlasenko
d8dd25a2a7
diff: debug macros; one trivial size optimization
...
function old new delta
diffreg 1781 1815 +34
isqrt 64 - -64
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/0 up/down: 34/-64) Total: -30 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-21 01:23:19 +02:00
Denys Vlasenko
3e02050314
diff: fix bug 613 (diff -ub segfaults)
...
function old new delta
dump_unified_vec 435 457 +22
diff_main 855 860 +5
diffreg 1786 1781 -5
do_diff 428 416 -12
change 325 283 -42
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/3 up/down: 27/-59) Total: -32 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-21 01:22:18 +02:00
Denys Vlasenko
38d9072b2c
diff: tiny compat tweak
...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-09 12:55:13 +02:00
Denis Vlasenko
5e34ff29bc
*: mass renaming of USE_XXXX to IF_XXXX
...
and SKIP_XXXX to IF_NOT_XXXX - the second one was especially
badly named. It was not skipping anything!
2009-04-21 11:09:40 +00:00
Denis Vlasenko
4c83025ea6
diff: emit /dev/null if diff -rN diffs a file against /dev/null
...
function old new delta
diffreg 1782 1786 +4
2008-11-23 14:40:00 +00:00
Denis Vlasenko
582dff0514
volume identification: abolish /proc/partitions and /proc/cdroms
...
scanning. It does not catch volume managers and such.
Adding even more cruft is bad, so I decided to simply
scan /dev/* for any block devices. See how much better
it finds devices now:
# ./busybox_old blkid
/dev/sda1: LABEL="/boot" UUID="7931e231-dcb4-4b6d-9301-f7354ae24061"
/dev/dm-0: LABEL="Fedora-9-Live-x8" UUID="bb491e1e-1145-4f5b-b0ab-cbd2baf4f15a"
/dev/dm-1: UUID="edc2a920-ef83-437e-ba64-d3b6dc851267"
/dev/sdb1: UUID="6F84-ED0F"
# ./busybox blkid
/dev/sdb1: UUID="6F84-ED0F"
/dev/root: LABEL="Fedora-9-Live-x8" UUID="bb491e1e-1145-4f5b-b0ab-cbd2baf4f15a"
/dev/dm-1: UUID="edc2a920-ef83-437e-ba64-d3b6dc851267"
/dev/dm-0: LABEL="Fedora-9-Live-x8" UUID="bb491e1e-1145-4f5b-b0ab-cbd2baf4f15a"
/dev/sda1: LABEL="/boot" UUID="7931e231-dcb4-4b6d-9301-f7354ae24061"
/dev/mapper/VolGroup00-LogVol01: UUID="edc2a920-ef83-437e-ba64-d3b6dc851267"
/dev/mapper/VolGroup00-LogVol00: LABEL="Fedora-9-Live-x8" UUID="bb491e1e-1145-4f5b-b0ab-cbd2baf4f15a"
function old new delta
static.drive_name_string 12 - -12
append_mount_options 205 190 -15
volume_id_open_node 37 18 -19
uuidcache_check_device 485 257 -228
uuidcache_init 637 36 -601
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/4 up/down: 0/-875) Total: -875 bytes
text data bss dec hex filename
792218 592 6648 799458 c32e2 busybox_old
791260 592 6648 798500 c2f24 busybox_unstripped
2008-10-19 19:36:30 +00:00
Denis Vlasenko
deeed59de0
libbb: introduce and use xrealloc_vector
...
function old new delta
xrealloc_vector_helper - 51 +51
create_list 84 99 +15
getopt_main 690 695 +5
passwd_main 1049 1053 +4
get_cached 85 89 +4
msh_main 1377 1380 +3
add_match 42 41 -1
read_lines 720 718 -2
grave 1068 1066 -2
fill_match_lines 143 141 -2
add_to_dirlist 67 65 -2
add_input_file 49 47 -2
act 252 250 -2
fsck_main 2252 2246 -6
man_main 765 757 -8
bb_internal_initgroups 228 220 -8
cut_main 1052 1041 -11
add_edge_to_node 55 43 -12
dpkg_main 3851 3835 -16
ifupdown_main 2202 2178 -24
sort_main 838 812 -26
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 5/15 up/down: 82/-124) Total: -42 bytes
2008-07-08 05:14:36 +00:00
Denis Vlasenko
a60f84ebf0
*: rename ATTRIBUTE_XXX to just XXX.
2008-07-05 09:18:54 +00:00
Denis Vlasenko
defc1ea340
*: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
...
text data bss dec hex filename
808035 611 6868 815514 c719a busybox_old
804472 611 6868 811951 c63af busybox_unstripped
2008-06-27 02:52:20 +00:00
Denis Vlasenko
cc3f20b9bd
fix breakage found by randomconfig
2008-06-23 22:31:52 +00:00
Denis Vlasenko
d50dda8c35
*: use llist_pop for traverse-and-free list operation
...
function old new delta
append_file_list_to_list 109 111 +2
udhcpc_main 2414 2413 -1
run_parts_main 325 324 -1
od_main 2324 2323 -1
getopt_main 709 707 -2
env_main 253 251 -2
sed_main 659 656 -3
ps_main 522 519 -3
traceroute_main 3960 3954 -6
sort_main 844 838 -6
diff_main 866 858 -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/10 up/down: 2/-33) Total: -31 bytes
2008-06-15 05:40:56 +00:00
Denis Vlasenko
a05c0716c2
grep: make "-f -" work (+ testsuite)
...
diff: small code shrink
function old new delta
grep_main 722 714 -8
diffreg 1825 1793 -32
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-40) Total: -40 bytes
2008-06-07 05:19:31 +00:00
Denis Vlasenko
dccfe05e17
diff: improve comments (no code chages)
2008-03-24 18:40:32 +00:00
Denis Vlasenko
c4c2cd44d2
diff: exclude D_EMPTY code if there is no support for -r
...
function old new delta
diffreg 1808 1825 +17
files_differ 189 166 -23
2008-03-24 16:55:13 +00:00
Denis Vlasenko
e9d67a81c8
diff: fix small bug; don't make a copy for "/dev/null" case
2008-03-24 16:28:47 +00:00
Denis Vlasenko
7fe0ebac5f
diff: reordering and renaming of variables
...
function old new delta
diff_main 843 848 +5
get_recursive_dirlist 177 180 +3
add_to_dirlist 64 66 +2
change 329 326 -3
files_differ 182 176 -6
diffreg 1823 1808 -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/3 up/down: 10/-24) Total: -14 bytes
2008-03-24 16:19:21 +00:00
Denis Vlasenko
73132b9c12
diff: make a few variables local
...
function old new delta
diffreg 1844 1823 -21
2008-03-24 15:04:24 +00:00
Denis Vlasenko
04211fd204
diff: make it work on pipes etc (needed for kernel compile)
...
function old new delta
get_recursive_dirlist - 177 +177
make_temp - 144 +144
diffreg 1818 1844 +26
files_differ 175 182 +7
diff_main 842 843 +1
get_dir 177 - -177
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 3/0 up/down: 355/-177) Total: 178 bytes
2008-03-24 14:44:59 +00:00
Denis Vlasenko
dc1cbf839d
diff: shrink
...
function old new delta
check 678 1607 +929
files_differ - 175 +175
do_diff 436 433 -3
asciifile 94 90 -4
print_only 23 16 -7
diff_main 868 842 -26
prepare 339 301 -38
print_status 316 178 -138
diffreg 2993 1818 -1175
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/7 up/down: 1104/-1391) Total: -287 bytes
2008-03-24 14:44:20 +00:00
Denis Vlasenko
1d42665b6b
*: shrink: use Vladimir's "o+" specifier instead of xatou(opt_param)
...
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
------------------------------------------------------------------------------
(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
2008-03-17 09:09:09 +00:00
Denis Vlasenko
68404f13d4
*: add -Wunused-parameter; fix resulting breakage
...
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
------------------------------------------------------------------------------
(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
2008-03-17 09:00:54 +00:00
Denis Vlasenko
fb29038b59
libbb: inntroduce and use bb_pstrcmp() and qsort_string_vector()
...
msh: glob0/glob1/glob2/glob3 are just a sorting routine! remove them.
bb_pstrcmp - 25 +25
qsort_string_vector - 24 +24
expand 2209 2227 +18
getopt32 1359 1370 +11
passwd_main 1072 1074 +2
handle_incoming_and_exit 2737 2735 -2
UNSPEC_print 66 64 -2
forkexec 1343 1339 -4
input_tab 3338 3330 -8
get_dir 185 177 -8
expmeta 481 473 -8
cmdputs 405 397 -8
xstrcmp 12 - -12
find_pair 187 167 -20
match_compare 25 - -25
dir_strcmp 25 - -25
glob2 27 - -27
glob3 34 - -34
glob1 256 - -256
------------------------------------------------------------------------------
(add/remove: 2/6 grow/shrink: 3/8 up/down: 80/-439) Total: -359 bytes
2008-03-02 12:51:26 +00:00
Denis Vlasenko
574f2f4394
*: add optimization barrier to all "G trick" locations
2008-02-27 18:41:59 +00:00
Denis Vlasenko
6bef3d1d22
fbset: fix buglet where we were using wrong pointer
...
readahead: stop using stdio.h
*: style fixes
2007-11-06 03:05:54 +00:00
Denis Vlasenko
9b49a5ed85
add -fvisibility=hidden to CC flags, mark XXX_main functions
...
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
2007-10-11 10:05:36 +00:00
Denis Vlasenko
fe7cd642b0
don't pass argc in getopt32, it's superfluous
...
(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
2007-08-18 15:32:12 +00:00
Denis Vlasenko
6ca409e0e4
trylink: produce even more info about final link stage
...
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
2007-08-12 20:58:27 +00:00
Denis Vlasenko
b71c668c57
style fix (stray space before ';')
2007-07-21 15:08:09 +00:00
Denis Vlasenko
3ad5d0cbbe
diff: shrink code (-85 bytes):
...
function old new delta
fiddle_sum 8 - -8
diffreg 2717 2690 -27
prepare 334 284 -50
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/2 up/down: 0/-85) Total: -85 bytes
s/ATTRIBUTE_ALWAYS_INLINE/ALWAYS_INLINE/g
2007-06-12 20:54:54 +00:00
Denis Vlasenko
cc5e090f12
move several applets to more correct ex-project. No code changes.
2007-06-12 08:12:33 +00:00
