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Denys Vlasenko e6a2f4cc5a libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it 
The config item is FEATURE_USE_BSS_TAIL. When it is off (default):

function                                             old     new   delta
read_config                                          210     228     +18
doCommands                                          2279    2294     +15
ipneigh_list_or_flush                                763     772      +9
ipaddr_list_or_flush                                1256    1261      +5
display_process_list                                1301    1306      +5
conspy_main                                         1378    1383      +5
do_lzo_compress                                      352     355      +3
do_lzo_decompress                                    565     567      +2
push                                                  46      44      -2
inetd_main                                          2136    2134      -2
uevent_main                                          421     418      -3
addLines                                              97      92      -5
bb_common_bufsiz1                                   8193    1024   -7169
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 8/5 up/down: 62/-7181)        Total: -7119 bytes
   text	   data	    bss	    dec	    hex	filename
 829850	   4086	   9080	 843016	  cdd08	busybox_old
 829901	   4086	   1904	 835891	  cc133	busybox_unstripped

FEATURE_USE_BSS_TAIL=y:

read_config                                          210     228     +18
doCommands                                          2279    2294     +15
ipneigh_list_or_flush                                763     772      +9
ipaddr_list_or_flush                                1256    1261      +5
display_process_list                                1301    1306      +5
conspy_main                                         1378    1383      +5
do_lzo_compress                                      352     355      +3
do_lzo_decompress                                    565     567      +2
inetd_main                                          2136    2134      -2
bb_common_bufsiz1                                   8193       -   -8193
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 8/1 up/down: 62/-8195)        Total: -8133 bytes
   text	   data	    bss	    dec	    hex	filename
 829850	   4086	   9080	 843016	  cdd08	busybox_old
 829911	   4086	    880	 834877	  cbd3d	busybox_unstripped

FIXME: setup_common_bufsiz() calls are missing.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-21 17:39:11 +02:00
..
adjtimex.c
adjtimex: make its help text and printed data a bit less cryptic
2014-04-17 11:29:34 +02:00
bbconfig.c
…
beep.c
Use bb_error_msg instead of bb_info_msg in all commented-out debug printouts
2016-03-30 16:04:37 +02:00
chat.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
chrt.c
chrt: remove warning for _POSIX_PRIORITY_SCHEDULING
2013-07-08 11:20:13 +02:00
Config.src
tweak defconfig
2015-10-25 20:36:03 +01:00
conspy.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
crond.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
crontab.c
Removes stray empty line from code
2015-07-13 03:25:46 +02:00
dc.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
devfsd.c
Replace a few more bb_info_msg's by bb_error_msg or printf
2016-03-30 16:20:28 +02:00
devmem.c
…
eject.c
more bionic fixes
2016-03-14 19:34:15 +01:00
fbsplash.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
fbsplash.cfg
…
flash_eraseall.c
Replace a few more bb_info_msg's by bb_error_msg or printf
2016-03-30 16:20:28 +02:00
flash_lock_unlock.c
…
flashcp.c
flashcp: change BUFSIZE to 4k
2014-12-10 13:44:27 +01:00
hdparm.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
i2c_tools.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
inotifyd.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
ionice.c
…
Kbuild.src
taskset: support CPU masks for more than 64 CPUs
2014-08-17 19:36:22 +02:00
last_fancy.c
libbb: add a function to make a copy of a region of memory
2015-07-19 23:05:20 +02:00
last.c
randconfig fix
2015-10-11 16:58:18 +02:00
less.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
makedevs.c
…
man.c
libbb: introduce and use is_prefixed_with()
2015-03-12 17:48:34 +01:00
microcom.c
libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it
2016-04-21 17:39:11 +02:00
mountpoint.c
…
mt.c
…
nandwrite.c
nandwrite: implement -n (read/write without ecc)
2016-01-02 01:33:01 +01:00
raidautorun.c
…
readahead.c
…
rfkill.c
rfkill: use new-style config/kbuild/applet
2013-11-20 14:21:29 +01:00
runlevel.c
*: Switch to POSIX utmpx API
2015-04-02 23:03:46 +02:00
rx.c
…
setserial.c
setserial: Fix typo: s/baund_rate/baud_rate/g
2013-03-22 17:04:51 +01:00
setsid.c
setsid: implement -c
2016-01-17 01:10:53 +01:00
strings.c
…
taskset.c
taskset: fix non-fancy cpuset printing on big-endian
2016-02-26 14:36:24 +01:00
time.c
…
timeout.c
…
ttysize.c
…
ubi_tools.c
whitespace and namespace cleanups
2016-04-03 22:24:51 +02:00
ubirename.c
whitespace and namespace cleanups
2016-04-03 22:24:51 +02:00
volname.c
…
wall.c
*: Switch to POSIX utmpx API
2015-04-02 23:03:46 +02:00
watchdog.c
…