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50 Commits

Author SHA1 Message Date
James Byrne
6937487be7 libbb: reduce the overhead of single parameter bb_error_msg() calls 
Back in 2007, commit 0c97c9d437 ("'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>
 2019-07-02 11:35:03 +02:00
Denys Vlasenko
a02a4e9830 whitespace and comment format fixes, no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2017-10-05 15:19:25 +02:00
Denys Vlasenko
926d801fa5 libiproute: make rt_addr_n2a() and format_host() return auto strings 
function                                             old     new   delta
rt_addr_n2a                                           56      53      -3
print_addrinfo                                      1227    1178     -49
print_neigh                                          933     881     -52
print_rule                                           689     617     -72
print_tunnel                                         640     560     -80
print_route                                         1727    1588    -139
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-395)           Total: -395 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-14 13:56:42 +02:00
Denys Vlasenko
0f296a3a56 libiproute: rename invarg(a,b) to invarg_1_to_2(a,b) 
invarg(a,b) - "invalid argument", but how a and b enter the message?

invarg_1_to_2(a,b) is somewhat easier to read: "invalid argument 'a' to 'b'"

Audit of usage revealed a number of bad uses, with too long messages.

   text	   data	    bss	    dec	    hex	filename
 938848	    932	  17448	 957228	  e9b2c	busybox_old
 938788	    932	  17448	 957168	  e9af0	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-14 13:21:01 +02:00
Denys Vlasenko
3d8d5e8ad4 libiproute: use itoa() where appropriate 
function                                             old     new   delta
rtnl_rtprot_a2n                                       31      88     +57
print_tunnel                                         647     640      -7
print_route                                         1865    1858      -7
print_linkinfo                                       820     812      -8
print_addrinfo                                      1241    1227     -14
rtnl_rttable_n2a                                      53      38     -15
rtnl_rtscope_n2a                                      53      38     -15
rtnl_rtrealm_n2a                                      53      38     -15
rtnl_dsfield_n2a                                      61      38     -23
rtnl_rtntype_n2a                                     118      89     -29
print_rule                                           724     689     -35
ipaddr_list_or_flush                                1293    1253     -40
rtnl_rtprot_n2a                                       53       -     -53
rtnl_rtprot_initialize                                63       -     -63
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 1/11 up/down: 57/-324)         Total: -267 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2015-10-08 13:02:28 +02:00
Denys Vlasenko
9b58fe9c0b ip: code shrink 
function                                             old     new   delta
do_ipaddr                                             78      81      +3
do_iprule                                            140     139      -1
do_iptunnel                                          283     278      -5
iprule_modify                                        851     841     -10
ipaddr_modify                                       1293    1236     -57
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/4 up/down: 3/-73)             Total: -70 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-07-15 05:15:46 +02:00
Denys Vlasenko
60cb48ca50 whitespace cleanup. no code changes 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2013-01-14 15:57:44 +01:00
Denys Vlasenko
fb132e4737 whitespace cleanup 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 11:46:52 +02:00
Denys Vlasenko
0ef64bdb40 *: make GNU licensing statement forms more regular 
This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-08-16 20:14:46 +02:00
Denys Vlasenko
2e9b5510d6 libiproute: code shrink by adding FAST_FUNC 
function                                             old     new   delta
ipaddr_list_or_flush                                1282    1293     +11
ip_parse_common_args                                 153     151      -2
ip_main                                               53      50      -3
ip_do                                                 19      15      -4
do_iptunnel                                          985     980      -5
do_iprule                                            982     977      -5
do_iplink                                           1637    1631      -6
do_iproute                                          2105    2098      -7
do_ipaddr                                           1406    1398      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/8 up/down: 11/-40)            Total: -29 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-07-24 23:27:38 +02:00
Bernhard Reutner-Fischer
96913f9254 ip tunnel: unify parsing args; no obj-code changes 
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
 2010-05-25 18:48:33 +02:00
Denys Vlasenko
6b9f163353 *: style fixes. no code changes (verified with objdump) 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-28 02:24:24 +01:00
Denys Vlasenko
6331cf059c *: use "can't" instead of "cannot" 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-11-13 09:08:27 +01:00
Denys Vlasenko
d31575a3ae libiproute/*: code shrink 
function                                             old     new   delta
ll_addr_a2n                                          181     178      -3
rtnl_rtntype_a2n                                     198     194      -4
ipaddr_modify                                       1309    1305      -4
print_addrinfo                                      1303    1298      -5
do_iplink                                           1137    1132      -5
print_route                                         1609    1603      -6
parse_args                                          1440    1434      -6
iproute_list_or_flush                               1261    1254      -7
rtnl_rttable_a2n                                      39      31      -8
rtnl_rtscope_a2n                                      39      31      -8
rtnl_rtrealm_a2n                                      39      31      -8
rtnl_rtprot_a2n                                       39      31      -8
rtnl_dsfield_a2n                                      39      31      -8
ll_type_n2a                                           78      70      -8
get_rt_realms                                        115     107      -8
print_tunnel                                         656     647      -9
rtnl_rttable_n2a                                      63      53     -10
rtnl_rtscope_n2a                                      63      53     -10
rtnl_rtrealm_n2a                                      63      53     -10
rtnl_rtntype_n2a                                     128     118     -10
rtnl_dsfield_n2a                                      71      61     -10
print_linkinfo                                       815     805     -10
ipaddr_list_or_flush                                1246    1235     -11
iproute_modify                                      1048    1036     -12
iprule_modify                                        866     851     -15
print_rule                                           765     738     -27
ll_addr_n2a                                          182     150     -32
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/27 up/down: 0/-262)          Total: -262 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2009-10-13 17:58:24 +02:00
Denis Vlasenko
76140a77c9 networking/libiproute/*: code shrink by optimizing numeric conversions 
and other misc stuff

function                                             old     new   delta
print_tunnel                                         660     656      -4
format_host                                            5       -      -5
get_unsigned                                          70      54     -16
get_u32                                               70      54     -16
do_iplink                                           1173    1151     -22
get_prefix                                           417     393     -24
print_rule                                           800     771     -29
print_addrinfo                                      1374    1342     -32
print_route                                         1745    1709     -36
iprule_modify                                        905     866     -39
iproute_modify                                      1105    1048     -57
get_integer                                           70       -     -70
parse_args                                          1684    1440    -244
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 0/11 up/down: 0/-594)          Total: -594 bytes
   text    data     bss     dec     hex filename
 817378     476    7892  825746   c9992 busybox_old
 816784     476    7892  825152   c9740 busybox_unstripped
 2009-03-05 09:21:57 +00:00
Denis Vlasenko
196a953f21 iptunnel: fix problems with including linux/ip_tunnel.h 
on some systems
 2008-12-03 20:16:11 +00:00
Denis Vlasenko
360d9661b6 libbb: add strncpy_IFNAMSIZ 
function                                             old     new   delta
...
udhcp_read_interface                                 225     220      -5
brctl_main                                          1151    1146      -5
add_interface                                        109     104      -5
ipaddr_list_or_flush                                2174    2167      -7
do_add_ioctl                                          88      80      -8
vconfig_main                                         249     240      -9
do_del_ioctl                                          78      68     -10
do_iplink                                           1186    1173     -13
do_if_fetch                                          766     753     -13
buffer_fill_and_print                                196     179     -17
parse_args                                          1709    1684     -25
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/20 up/down: 11/-140)         Total: -129 bytes
 2008-12-02 18:18:50 +00:00
Bernhard Reutner-Fischer
470dc1d7e2 - minor shrinkage (~-60) 2008-10-30 17:42:49 +00:00
Bernhard Reutner-Fischer
636a1f85e8 - use EXIT_{SUCCESS,FAILURE}. No object-code changes 2008-05-19 09:29:47 +00:00
Denis Vlasenko
6c10657c4a style fixes. no code changes 2008-04-19 19:05:12 +00:00
Denis Vlasenko
ed6a49c657 ip: stop propagating argc; optimize ip_parse_common_args 
function                                             old     new   delta
find_pair                                            167     187     +20
static.families                                        -      17     +17
die_must_be_on_off                                     -      11     +11
...
on_off                                                33      22     -11
do_ipaddr                                            103      90     -13
do_iptunnel                                         1001     986     -15
iproute_list_or_flush                               1237    1217     -20
static.ip_common_commands                             43      22     -21
do_iproute                                          2217    2193     -24
parse_args                                          1444    1414     -30
ip_do                                                 47      16     -31
do_iprule                                            994     963     -31
ip_main                                              153     113     -40
ipaddr_modify                                       1357    1305     -52
ipaddr_list_or_flush                                2543    2490     -53
ip_parse_common_args                                 294     159    -135
------------------------------------------------------------------------------
(add/remove: 4/1 grow/shrink: 4/24 up/down: 85/-563)         Total: -478 bytes
   text    data     bss     dec     hex filename
 775561     966    9236  785763   bfd63 busybox_old
 775073     962    9236  785271   bfb77 busybox_unstripped
 2007-11-18 22:56:25 +00:00
Denis Vlasenko
db60bcf1b7 ip tunnel parameter parsing fix by Jean Wolter <jw5@os.inf.tu-dresden.de> 2007-10-10 14:43:03 +00:00
Denis Vlasenko
4daad9004d introduce bb_putchar(). saves ~1800 on uclibc (less on glibc). 2007-09-27 10:20:47 +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
990d0f63ee Replace index_in_[sub]str_array with index_in_[sub]strings, 
which scans thru "abc\0def\0123\0\0" type strings. Saves 250 bytes.

   text    data     bss     dec     hex filename
 781266    1328   11844  794438   c1f46 busybox_old
 781010    1328   11844  794182   c1e46 busybox_unstripped
 2007-07-24 15:54:42 +00:00
Denis Vlasenko
fb79a2e2cf xioctl and friends by Tito <farmatito@tiscali.it> 
function                                             old     new   delta
do_iptunnel                                          203     977    +774
process_dev                                         5328    5494    +166
ioctl_or_perror                                        -      54     +54
ioctl_or_perror_and_die                                -      51     +51
ioctl_alt_func                                         -      49     +49
bb_ioctl_or_warn                                       -      47     +47
do_add_ioctl                                         102     145     +43
bb_xioctl                                              -      39     +39
print_value_on_off                                     -      31     +31
get_lcm                                              105     123     +18
arp_main                                            2155    2167     +12
..................
zcip_main                                           1576    1566     -10
setlogcons_main                                       92      82     -10
dumpkmap_main                                        263     253     -10
do_get_ioctl                                          85      75     -10
setkeycodes_main                                     165     154     -11
write_table                                          244     232     -12
vconfig_main                                         318     306     -12
do_del_ioctl                                          93      81     -12
set_address                                           75      62     -13
maybe_set_utc                                         30      16     -14
loadfont_main                                        495     479     -16
slattach_main                                        712     695     -17
do_loadfont                                          191     174     -17
do_iplink                                           1155    1136     -19
getty_main                                          2583    2562     -21
fbset_main                                          2058    2035     -23
do_time                                              588     565     -23
xioctl                                                25       -     -25
read_rtc                                             186     160     -26
parse_conf                                          1299    1270     -29
udhcp_read_interface                                 269     239     -30
bb_ioctl                                              45       -     -45
bb_ioctl_alt                                          70       -     -70
bb_ioctl_on_off                                       78       -     -78
.rodata                                           129370  129018    -352
do_show                                              799       -    -799
------------------------------------------------------------------------------
(add/remove: 6/5 grow/shrink: 13/49 up/down: 1316/-1864)     Total: -548 bytes
   text	   data	    bss	    dec	    hex	filename
 675352	   2740	  13968	 692060	  a8f5c	busybox_old
 674804	   2740	  13968	 691512	  a8d38	busybox_unstripped
 2007-07-14 22:07:14 +00:00
Bernhard Reutner-Fischer
789b87edf5 - remove matches() from networking/. Untested. 
text    data     bss     dec     hex filename
   1705       0       0    1705     6a9 networking/libiproute/utils.o.orig
   1676       0       0    1676     68c networking/libiproute/utils.o
    766       0       0     766     2fe networking/libiproute/rtm_map.o.orig
    670       0       0     670     29e networking/libiproute/rtm_map.o
   4942       0       0    4942    134e networking/libiproute/iptunnel.o.orig
   4687       0       0    4687    124f networking/libiproute/iptunnel.o
 2007-06-21 10:20:13 +00:00
Denis Vlasenko
9a7d38fe24 delete tons of extra #includes 2007-05-31 22:42:12 +00:00
Denis Vlasenko
50f7f446ec bb_full_fd_action: remove potential xmalloc from NOFORK path 
cat: stop using stdio.h opens
libbb: introduce & use open[3]_or_warn
function                                             old     new   delta
open3_or_warn                                          -      54     +54
bb_cat                                               115     144     +29
open_or_warn                                           -      25     +25
unlzma                                              2404    2412      +8
chattr_main                                          334     339      +5
xstrtoul_range_sfx                                   251     255      +4
telnet_main                                         1514    1510      -4
static.opt                                             4       -      -4
qgravechar                                           122     118      -4
fuser_add_pid                                         61      54      -7
fuser_add_inode                                      154     147      -7
writeFileToTarball                                  1542    1534      -8
refresh                                             1156    1148      -8
do_show                                              856     846     -10
read_leases                                          212     200     -12
setup_redirects                                      236     222     -14
iproute_list_or_flush                               1582    1568     -14
read_config                                          427     411     -16
write_leases                                         284     264     -20
hash_file                                            338     318     -20
copy_file                                           1760    1740     -20
do_iproute                                          2610    2588     -22
bb_full_fd_action                                    320     269     -51
open_to_or_warn                                      103      49     -54
fuser_main                                          1660    1596     -64
.rodata                                           131160  131096     -64
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 4/19 up/down: 125/-423)        Total: -298 bytes
 2007-04-11 23:20:53 +00:00
Denis Vlasenko
540a2a1f3b libiproute: audit callgraph, shortcut error paths into die() functions. 
Kill a few statics, made other globals smaller:
oneline is smallint, _SL_ is char

function                                             old     new   delta
print_tunnel                                         693     731     +38
print_route                                         1775    1777      +2
print_addrinfo                                      1495    1497      +2
ipaddr_list_or_flush                                2826    2828      +2
oneline                                                4       1      -3
_SL_                                                   4       1      -3
ipaddr_modify                                       1476    1472      -4
parse_address                                        124     119      -5
ip_parse_common_args                                 429     423      -6
on_off                                                53      46      -7
do_del_ioctl                                         113     106      -7
do_add_ioctl                                         120     113      -7
do_show                                              864     856      -8
iprule_list                                          157     148      -9
do_iptunnel                                          310     299     -11
do_add                                               143     126     -17
get_ctl_fd                                            95      76     -19
set_address                                          108      84     -24
ip_main                                              351     323     -28
static.ifr                                            32       -     -32
parse_args                                          1992    1949     -43
iproute_list_or_flush                               1673    1582     -91
do_iplink                                           1583    1485     -98
filter                                               280       -    -280
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 4/18 up/down: 44/-702)         Total: -658 bytes
 2007-04-07 01:14:45 +00:00
Denis Vlasenko
ab2aea4447 preparatory patch for -Wwrite-strings #4 2007-01-29 22:51:58 +00:00
Denis Vlasenko
ace35eeb88 Remove networking/libiproute/linux/pkt_sched.h 
(and networking/libiproute/linux/ since it become empty).
Style fixes.
 2007-01-02 16:32:16 +00:00
Denis Vlasenko
98ee06d3d4 stop using __u32 etc. uint32_t is there for a reason 2006-12-31 18:57:37 +00:00
Denis Vlasenko
229b3d2072 do not overflow ifr_name. maybe it was safe in some places, 
but not everywhere. err to the safe side.
 2006-11-27 23:44:57 +00:00
Denis Vlasenko
c6f188def8 silly size savings and capitalization fixes 2006-10-26 00:37:00 +00:00
Denis Vlasenko
27af5a0dd3 replacing func() with xfunc() where appropriate 2006-09-03 12:21:59 +00:00
"Robert P. J. Day"
63fc1a9e08 Standardize on the vi editing directives being on the first line. 2006-07-02 19:47:05 +00:00
Bernhard Reutner-Fischer
19008b8373 - reuse strings and messages. Saves about 600B 2006-06-07 20:17:41 +00:00
Rob Landley
ecae66ac16 Header cleanup: don't #include headers that libbb.h already includes. 2006-06-02 20:53:38 +00:00
Bernhard Reutner-Fischer
eedd1be730 - remove warning about redeclaration of __constant_htons 
- remove warning about format '%ld' expects type 'long int *', but argument #num
  has type 'long unsigned int *'
 2006-01-12 13:15:49 +00:00
Bernhard Reutner-Fischer
1d62d3b7b9 - make libiproute compile.. 2005-10-08 20:47:15 +00:00
Eric Andersen
14f5c8d764 Patch from Bernhard Fischer to make a bunch of symbols static 
which were otherwise cluttering the global namespace.
 2005-04-16 19:39:00 +00:00
Eric Andersen
f71ad6c9e4 Thomas Koeller writes: 
Hi,

    the following output is from BusyBox 1.0.0-pre10:

    ~ # ip link help
    ip: Command "help" is unknown, try "ip link help".

    tk

This patch fixes it by removing the advertisements for
the "ip blah help" stuff that is not implemented.
 2004-04-26 19:32:49 +00:00
Eric Andersen
c7bda1ce65 Remove trailing whitespace. Update copyright to include 2004. 2004-03-15 08:29:22 +00:00
Manuel Novoa III
cad5364599 Major coreutils update. 2003-03-19 09:13:01 +00:00
Eric Andersen
ab4e19afc6 Eliminate most instances where we use linux kernel headers 
-Erik
 2003-01-14 08:54:08 +00:00
Glenn L McGrath
ea2a1064b3 fixes for ia64 2003-01-05 00:43:00 +00:00
Glenn L McGrath
275be87be7 Only included headers that are used. 2002-12-16 07:37:21 +00:00
Glenn L McGrath
8b6024449f Cleanup error messages 2002-11-28 12:19:51 +00:00
Glenn L McGrath
9a2d27249c IP applet by Bastian Blank <waldi@debian.org> 2002-11-10 01:33:55 +00:00