Age | Commit message (Collapse) | Author |
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function old new delta
sigprocmask_SIG_SETMASK - 16 +16
wait_for_child_or_signal 221 213 -8
dowait 432 424 -8
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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$ cat -n does_not_exist; echo $?
cat: does_not_exist: No such file or directory
1
function old new delta
print_numbered_lines 118 129 +11
nl_main 196 201 +5
cat_main 421 425 +4
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(add/remove: 0/0 grow/shrink: 3/0 up/down: 20/0) Total: 20 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Embedded scripts require a shell to be present in the BusyBox
binary. Allow either ash or hush to be used for this purpose.
If both are enabled ash takes precedence.
The size of the binary is unchanged in the default configuration:
both ash and hush are present but support for embedded scripts
isn't compiled into hush.
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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- Force a rebuild if a script in applets_sh is changed.
- Move the dummy usage messages for custom applets to usage.h and
change the name from 'dummy' to 'scripted'.
- Hide an error from gen_build_files.sh if an embed directory exists
but is empty.
- Tidy up embedded_scripts script.
v2: Remove a couple of unnecessary tests in embedded_scripts, as
pointed out by Xabier Oneca.
Drop the stripping of comments.
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
xwrite_and_update_handshake_hash 81 80 -1
tls_handshake 1987 1957 -30
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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$ busybox wget URL 2>&1 | cat
Connecting to ....
install.iso 0% | | 2629k 0:02:05 ETA
install.iso 7% |** | 25.7M 0:00:23 ETA
install.iso 16% |***** | 54.1M 0:00:14 ETA
install.iso 20% |****** | 67.4M 0:00:15 ETA
install.iso 25% |******** | 81.0M 0:00:14 ETA
install.iso 30% |********* | 97.3M 0:00:13 ETA
install.iso 36% |*********** | 117M 0:00:12 ETA
install.iso 41% |************* | 134M 0:00:11 ETA
install.iso 47% |*************** | 152M 0:00:10 ETA
install.iso 54% |***************** | 176M 0:00:08 ETA
install.iso 61% |******************* | 200M 0:00:06 ETA
install.iso 66% |********************* | 215M 0:00:06 ETA
install.iso 71% |********************** | 231M 0:00:05 ETA
install.iso 75% |************************ | 244M 0:00:04 ETA
install.iso 79% |************************* | 257M 0:00:03 ETA
install.iso 84% |*************************** | 275M 0:00:02 ETA
install.iso 91% |***************************** | 297M 0:00:01 ETA
install.iso 99% |******************************* | 321M 0:00:00 ETA
install.iso 100% |********************************| 323M 0:00:00 ETA
<-- no empty line here
$
function old new delta
bb_progress_update 622 632 +10
progress_meter 152 158 +6
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 16/0) Total: 16 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
xwrite_encrypted 599 585 -14
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
xwrite_encrypted 209 605 +396
GHASH - 395 +395
aes_encrypt_1 - 382 +382
GMULT - 192 +192
tls_xread_record 489 659 +170
aes_encrypt_one_block - 65 +65
aesgcm_setkey - 58 +58
FlattenSzInBits - 52 +52
tls_handshake 1890 1941 +51
xwrite_and_update_handshake_hash 46 81 +35
xorbuf - 24 +24
aes_setkey - 16 +16
psRsaEncryptPub 413 421 +8
stty_main 1221 1227 +6
ssl_client_main 138 143 +5
next_token 841 845 +4
spawn_ssl_client 218 219 +1
volume_id_probe_hfs_hfsplus 564 563 -1
read_package_field 232 230 -2
i2cdetect_main 674 672 -2
fail_hunk 139 136 -3
parse_expr 891 883 -8
curve25519 802 793 -9
aes_cbc_decrypt 971 958 -13
xwrite_handshake_record 43 - -43
aes_cbc_encrypt 644 172 -472
------------------------------------------------------------------------------
(add/remove: 9/1 grow/shrink: 9/8 up/down: 1860/-553) Total: 1307 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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BusyBox has support for embedded shell scripts. Two types can be
distinguished: custom scripts and scripts implementing applets.
Custom scripts should be placed in the 'embed' directory at build
time. They are given a default applet configuration and appear
as applets to the user but no further configuration is possible.
Applet scripts are integrated with the BusyBox build system and
are intended to be used to ship standard applets that just happen
to be implemented as scripts. They can be configured at build time
and appear just like native applets.
Such scripts should be placed in the 'applets_sh' directory. A stub
C program should be written to provide the usual applet configuration
details and placed in a suitable subsystem directory. It may be
helpful to have a configuration option to enable any dependencies the
script requires: see the 'nologin' applet for an example.
function old new delta
scripted_main - 41 +41
applet_names 2773 2781 +8
applet_main 1600 1604 +4
i2cdetect_main 672 674 +2
applet_suid 100 101 +1
applet_install_loc 200 201 +1
applet_flags 100 101 +1
packed_usage 33180 33179 -1
tryexec 159 152 -7
evalcommand 1661 1653 -8
script_names 9 - -9
packed_scripts 123 114 -9
complete_cmd_dir_file 826 811 -15
shellexec 271 254 -17
find_command 1007 990 -17
busybox_main 642 624 -18
run_applet_and_exit 100 78 -22
find_script_by_name 51 - -51
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 6/9 up/down: 58/-174) Total: -116 bytes
text data bss dec hex filename
950034 477 7296 957807 e9d6f busybox_old
949918 477 7296 957691 e9cfb busybox_unstripped
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Similar code to unpack embedded data is used to decompress usage
messages, embedded scripts and the config file (in the non-default
bbconfig applet).
Moving this code to a common function reduces the size of the default
build and hides more of the internals of libarchive.
function old new delta
unpack_bz2_data - 135 +135
bb_show_usage 137 157 +20
get_script_content 32 47 +15
unpack_scripts 119 - -119
unpack_usage_messages 124 - -124
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 2/0 up/down: 170/-243) Total: -73 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
find_script_by_name - 51 +51
shellexec 254 271 +17
find_command 990 1007 +17
evalcommand 1653 1661 +8
doCommands 2233 2222 -11
run_applet_and_exit 128 100 -28
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(add/remove: 1/0 grow/shrink: 6/4 up/down: 104/-52) Total: 52 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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To assist in the deployment of shell scripts it may be convenient
to embed them in the BusyBox binary.
'Embed scripts in the binary' takes any files in the directory
'embed', concatenates them with null separators, compresses them
and embeds them in the binary.
When scripts are embedded in the binary, scripts can be run as
'busybox SCRIPT [ARGS]' or by usual (sym)link mechanism.
embed/nologin is provided as an example.
function old new delta
packed_scripts - 123 +123
unpack_scripts - 87 +87
ash_main 1103 1171 +68
run_applet_and_exit 78 128 +50
get_script_content - 32 +32
script_names - 10 +10
expmeta 663 659 -4
------------------------------------------------------------------------------
(add/remove: 4/0 grow/shrink: 2/1 up/down: 370/-4) Total: 366 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unzip_main 2726 2792 +66
printable_string2 - 57 +57
identify 4329 4336 +7
expmeta 659 663 +4
add_interface 99 103 +4
beep_main 286 289 +3
changepath 192 194 +2
builtin_type 115 117 +2
devmem_main 469 470 +1
input_tab 1076 1074 -2
create_J 1821 1819 -2
poplocalvars 314 311 -3
doCommands 2222 2214 -8
do_load 918 902 -16
printable_string 57 9 -48
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 8/6 up/down: 146/-79) Total: 67 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
parse_duration_str - 168 +168
sleep_for_duration - 157 +157
top_main 885 928 +43
timeout_main 269 312 +43
handle_input 571 614 +43
duration_suffixes - 40 +40
sfx 40 - -40
sleep_main 364 79 -285
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(add/remove: 4/1 grow/shrink: 3/1 up/down: 494/-325) Total: 169 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
cp_main 428 512 +84
copy_file 1676 1742 +66
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
xmalloc_realpath_coreutils - 121 +121
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
create_or_remember_link - 106 +106
create_links_from_list - 93 +93
find_applet_by_name 124 128 +4
unzip_main 2724 2726 +2
data_extract_all 891 873 -18
create_symlinks_from_list 64 - -64
create_or_remember_symlink 94 - -94
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 2/1 up/down: 205/-176) Total: 29 bytes
Signed-off-by: Harald van Dijk <harald@gigawatt.nl>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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avoided
In practice, "wget http://host.com/" always uses port 80.
People explicitly set non-standard ports via options or parameters
("telnet 1.2.3.4 567" or "telnet 1.2.3.4 ftp") instead of modifying
/etc/services.
function old new delta
telnet_main 1466 1464 -2
rdate_main 215 198 -17
fakeidentd_main 269 252 -17
parse_url 459 392 -67
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(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-103) Total: -103 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Testcase: (sleep 10; ls) | busybox less
[...]
~ LICENSE
~ Makefile
~ Makefile.custom
~ Makefile.flags
[...]
less did not want this part:
+ /* dont convert NL to CR+NL on output */
+ newterm->c_oflag &= ~(ONLCR);
function old new delta
get_termios_and_make_raw 108 115 +7
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
static.ar_long_names 4 - -4
static.ar_long_name_size 4 - -4
get_header_ar 546 532 -14
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(add/remove: 0/2 grow/shrink: 0/1 up/down: 0/-22) Total: -22 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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As it turns out, longjmp'ing into freed stack is not healthy...
function old new delta
unpack_usage_messages - 97 +97
unpack_bz2_stream 369 409 +40
get_next_block 1667 1677 +10
get_bits 156 155 -1
start_bunzip 212 183 -29
bb_show_usage 181 120 -61
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 2/3 up/down: 147/-91) Total: 56 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_ask_noecho 313 330 +17
get_cred_or_die 125 115 -10
passwd_main 995 958 -37
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 17/-47) Total: -30 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_ask_y_confirmation_FILE - 83 +83
inetd_main 2033 2043 +10
udhcp_send_kernel_packet 295 301 +6
rmescapes 306 310 +4
send_tree 353 355 +2
i2cdetect_main 674 672 -2
confirm_or_abort 43 38 -5
get_terminal_width_height 242 234 -8
bb_ask_y_confirmation 76 10 -66
xargs_main 823 755 -68
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 4/5 up/down: 105/-149) Total: -44 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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bb_ask_y_confirmation
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_die_memory_exhausted - 10 +10
xstrdup 28 23 -5
xsetenv 27 22 -5
xrealloc 32 27 -5
xputenv 22 17 -5
xmalloc 30 25 -5
xfdopen_helper 40 35 -5
xasprintf 44 39 -5
wget_main 2387 2382 -5
open_socket 54 49 -5
glob_brace 419 414 -5
bb_get_chunk_from_file 146 141 -5
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/11 up/down: 10/-55) Total: -45 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This fragment did not work right:
temp = bb_get_chunk_from_file(fp, &len);
if (temp) {
/* len > 0 here, it's ok to do temp[len-1] */
char c = temp[len-1];
With "int len" _sign-extending_, temp[len-1] can refer to a wrong location
if len > 0x7fffffff.
Signed-off-by: Quentin Rameau <quinq@fifth.space>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This mostly reverts commit bc9bbeb2b81001e8731cd2ae501c8fccc8d87cc7
"libarchive: do not extract unsafe symlinks unless $EXTRACT_UNSAFE_SYMLINKS=1"
Users report that it is somewhat too restrictive. See
https://bugs.busybox.net/show_bug.cgi?id=8411
In particular, this interferes with unpacking of busybox-based
filesystems with links like "sbin/applet" -> "../bin/busybox".
The change is made smaller by deleting ARCHIVE_EXTRACT_QUIET flag -
it is unused since 2010, and removing conditionals on it
allows commonalizing some error message codes.
function old new delta
create_or_remember_symlink - 94 +94
create_symlinks_from_list - 64 +64
tar_main 1002 1006 +4
unzip_main 2732 2724 -8
data_extract_all 984 891 -93
unsafe_symlink_target 147 - -147
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 1/2 up/down: 162/-248) Total: -86 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Compiles to ~25 bytes if enabled.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_getsockname - 18 +18
xrtnl_open 88 83 -5
do_iplink 1216 1209 -7
arping_main 1686 1668 -18
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/3 up/down: 18/-30) Total: -12 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
parse_pasv_epsv - 151 +151
wget_main 2440 2382 -58
xconnect_ftpdata 223 94 -129
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/2 up/down: 151/-187) Total: -36 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
spawn_ssl_client - 185 +185
parse_url 409 461 +52
packed_usage 32259 32278 +19
tls_run_copy_loop 293 306 +13
ssl_client_main 128 138 +10
showmode 330 338 +8
P_FTPS - 5 +5
filter_datapoints 177 179 +2
deflate 907 905 -2
decode_one_format 723 716 -7
wget_main 2591 2440 -151
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 6/3 up/down: 294/-160) Total: 134 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
global_crc32_new_table_le - 11 +11
crc32_new_table_le - 9 +9
inflate_unzip_internal 560 556 -4
flash_eraseall_main 823 819 -4
unpack_xz_stream 2403 2394 -9
lzop_main 121 112 -9
gzip_main 187 178 -9
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/5 up/down: 20/-35) Total: -15 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Implement "cp -T". Some Linux kernel Makefiles started using this recently,
so allow also building on systems using busybox cp.
function old new delta
cp_main 360 428 +68
copy_file 1678 1676 -2
packed_usage 32290 32259 -31
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 76/-39) Total: 35 bytes
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
lzo_decompress 526 524 -2
lzo_compress 473 470 -3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
find_executable 86 104 +18
which_main 202 194 -8
executable_exists 66 51 -15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 18/-23) Total: -5 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
out 85 75 -10
udhcpd_main 1472 1461 -11
open_stdio_to_tty 98 85 -13
init_exec 245 232 -13
udhcpc_main 2763 2749 -14
do_cmd 4771 4755 -16
status_line_bold_errno 32 14 -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-95) Total: -95 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
get_termios_and_make_raw - 139 +139
xget1 39 8 -31
read_line_input 3912 3867 -45
less_main 2525 2471 -54
set_termios_to_raw 116 36 -80
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/4 up/down: 139/-210) Total: -71 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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NOEXEC'ed applets which use getopt() need this.
function old new delta
builtin_getopts 403 413 +10
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
switch_root_main 354 637 +283
drop_usermodehelper - 157 +157
cap_name_to_number - 77 +77
packed_usage 31707 31743 +36
applet_names 2665 2674 +9
applet_main 1544 1548 +4
applet_install_loc 193 194 +1
setpriv_main 933 928 -5
getcaps 131 122 -9
parse_cap 117 29 -88
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 5/3 up/down: 567/-102) Total: 465 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
cap_name_to_number - 77 +77
parse_cap 117 29 -88
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/1 up/down: 77/-88) Total: -11 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
unsafe_symlink_target - 147 +147
unzip_main 2711 2732 +21
copy_file 1657 1678 +21
tar_main 999 971 -28
data_extract_all 1038 984 -54
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 2/2 up/down: 189/-82) Total: 107 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
rpm2cpio_main 78 120 +42
setup_lzma_on_fd - 29 +29
fork_transformer_and_free - 28 +28
...
setup_unzip_on_fd 56 32 -24
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 3/5 up/down: 104/-67) Total: 37 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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