Age | Commit message (Collapse) | Author |
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-l will send Information-Request to request configuration parameters
function old new delta
packed_usage 33114 33180 +66
send_d6_info_request - 62 +62
udhcpc6_main 2534 2593 +59
udhcpc6_longopts 199 211 +12
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(add/remove: 1/0 grow/shrink: 3/0 up/down: 199/0) Total: 199 bytes
Signed-off-by: Eivind Versvik <versvikeivind@gmail.com>
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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function old new delta
recv_and_process_peer_pkt 961 973 +12
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(add/remove: 0/0 grow/shrink: 1/0 up/down: 12/0) Total: 12 bytes
text data bss dec hex filename
953108 481 7288 960877 ea96d busybox_old
953086 481 7288 960855 ea957 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Back in 2007, commit 0c97c9d43707 ("'simple' error message functions by
Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower
overhead call to bb_perror_msg() when only a string was being printed
with no parameters. This saves space for some CPU architectures because
it avoids the overhead of a call to a variadic function. However there
has never been a simple version of bb_error_msg(), and since 2007 many
new calls to bb_perror_msg() have been added that only take a single
parameter and so could have been using bb_simple_perror_message().
This changeset introduces 'simple' versions of bb_info_msg(),
bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and
bb_herror_msg_and_die(), and replaces all calls that only take a
single parameter, or use something like ("%s", arg), with calls to the
corresponding 'simple' version.
Since it is likely that single parameter calls to the variadic functions
may be accidentally reintroduced in the future a new debugging config
option WARN_SIMPLE_MSG has been introduced. This uses some macro magic
which will cause any such calls to generate a warning, but this is
turned off by default to avoid use of the unpleasant macros in normal
circumstances.
This is a large changeset due to the number of calls that have been
replaced. The only files that contain changes other than simple
substitution of function calls are libbb.h, libbb/herror_msg.c,
libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c,
networking/udhcp/common.h and util-linux/mdev.c additonal macros have
been added for logging so that single parameter and multiple parameter
logging variants exist.
The amount of space saved varies considerably by architecture, and was
found to be as follows (for 'defconfig' using GCC 7.4):
Arm: -92 bytes
MIPS: -52 bytes
PPC: -1836 bytes
x86_64: -938 bytes
Note that for the MIPS architecture only an exception had to be made
disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h)
because it made these files larger on MIPS.
Signed-off-by: James Byrne <james.byrne@origamienergy.com>
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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Resolved a TODO by adding support for gateway_nip parameter.
function old new delta
udhcp_run_script 792 835 +43
Signed-off-by: Martin Lewis <martin.lewis.x84@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
tftp_main 394 396 +2
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
tftp_main 276 394 +118
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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Firefox needs this to execute .js
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Vicente Jimenez Aguilar <googuy@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
create_and_bind_to_netlink - 134 +134
ifplugd_main 1117 1052 -65
uevent_main 399 306 -93
mdev_main 314 215 -99
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(add/remove: 1/0 grow/shrink: 0/3 up/down: 134/-257) Total: -123 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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log3 messages are very much redundant
function old new delta
change_listen_mode 322 302 -20
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
udhcp_sp_setup 65 110 +45
udhcp_sp_fd_set 60 59 -1
udhcpd_main 1442 1437 -5
udhcpc_main 2684 2679 -5
signal_pipe 8 - -8
packed_usage 33292 33284 -8
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(add/remove: 0/1 grow/shrink: 1/4 up/down: 45/-27) Total: 18 bytes
text data bss dec hex filename
952746 481 7296 960523 ea80b busybox_old
952768 481 7288 960537 ea819 busybox_unstripped
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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Signed-off-by: Martin Lewis <martin.lewis.x84@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
udhcpc_main 2680 2684 +4
state 1 - -1
listen_mode 1 - -1
sockfd 4 - -4
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(add/remove: 0/3 grow/shrink: 1/0 up/down: 4/-6) Total: -2 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
rtnl_send_check - 160 +160
xrtnl_wilddump_request 64 66 +2
ipneigh_list_or_flush 714 706 -8
rtnl_send 69 - -69
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(add/remove: 1/1 grow/shrink: 1/1 up/down: 162/-77) Total: 85 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The result of looking at "grep -F -B2 '*fill*' busybox_unstripped.map"
text data bss dec hex filename
952537 485 7296 960318 ea73e busybox_old
952527 485 7296 960308 ea734 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
read_staticlease 299 282 -17
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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gcc accepts
__asm__ ( "" : : : "%cc");
but cc is not a real register and clang does not like it.
networking/tls_pstm_montgomery_reduce.c:385:4: error: unknown register name '%cc' in asm
| INNERMUL;
| ^
The % syntax nominally goes before a register, in this case cc,
like "memory" isn't a true register it's just a way of specifying that
the condition code registers for the target are clobbered
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
send_packet_verbose - 35 +35
send_offer 443 423 -20
send_ACK 152 131 -21
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(add/remove: 1/0 grow/shrink: 0/2 up/down: 35/-41) Total: -6 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
read_staticlease 222 299 +77
add_server_options 92 154 +62
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 139/0) Total: 139 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
send_offer 444 443 -1
udhcpd_main 1454 1442 -12
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-13) Total: -13 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
is_nip_reserved_as_static - 28 +28
get_static_nip_by_mac 43 47 +4
udhcpd_main 1459 1454 -5
send_offer 449 444 -5
read_leases 309 299 -10
is_nip_reserved 20 - -20
packed_usage 33283 33243 -40
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(add/remove: 1/1 grow/shrink: 1/4 up/down: 32/-80) Total: -48 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Between Busybox 1.24.2 and 1.25.0 the bb_info_msg() function was
eliminated and calls to it changed to be bb_error_msg(). The downside of
this is that daemons now log all messages to syslog at the LOG_ERR level
which makes it hard to filter errors from informational messages.
This change optionally re-introduces bb_info_msg(), controlled by a new
option FEATURE_SYSLOG_INFO, restores all the calls to bb_info_msg() that
were removed (only in applets that set logmode to LOGMODE_SYSLOG or
LOGMODE_BOTH), and also changes informational messages in ifplugd and
ntpd.
The code size change of this is as follows (using 'defconfig' on x86_64
with gcc 7.3.0-27ubuntu1~18.04)
function old new delta
bb_info_msg - 182 +182
bb_vinfo_msg - 27 +27
static.log7 194 198 +4
log8 190 191 +1
log5 190 191 +1
crondlog 45 - -45
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(add/remove: 2/1 grow/shrink: 3/0 up/down: 215/-45) Total: 170 bytes
If you don't care about everything being logged at LOG_ERR level
then when FEATURE_SYSLOG_INFO is disabled Busybox actually gets smaller:
function old new delta
static.log7 194 200 +6
log8 190 193 +3
log5 190 193 +3
syslog_level 1 - -1
bb_verror_msg 583 581 -2
crondlog 45 - -45
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(add/remove: 0/2 grow/shrink: 3/1 up/down: 12/-48) Total: -36 bytes
Signed-off-by: James Byrne <james.byrne@origamienergy.com>
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
execute_all 80 91 +11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
handle_incoming_and_exit 2362 2369 +7
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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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
handle_incoming_and_exit 2379 2362 -17
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(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-17) Total: -17 bytes
text data bss dec hex filename
981787 485 7296 989568 f1980 busybox_old
981779 485 7296 989560 f1978 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Pass the Authorization header to CGI if not of type Basic. This will
make it possible for CGI to verify authorization headers of type
Bearer <token>.
function old new delta
handle_incoming_and_exit 2370 2379 +9
Signed-off-by: Alexander Vickberg <wickbergster@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Today for gzipped content httpd is using a header with name
Transfer-Length. However I can't find a header with that name in the
standards. Instead use Content-Length.
function old new delta
.rodata 157940 157936 -4
send_headers 980 939 -41
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-45) Total: -45 bytes
Signed-off-by: Alexander Vickberg <wickbergster@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
handle_incoming_and_exit 2398 2370 -28
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
handle_incoming_and_exit 2385 2398 +13
if_ip_denied_send_HTTP_FORBIDDEN_and_exit 51 54 +3
get_line 110 106 -4
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 16/-4) Total: 12 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
handle_incoming_and_exit 2566 2385 -181
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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