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busybox/console-tools
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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
..
chvt.c move help text from include/usage.src.h to console-tools/*.c 2011-03-28 02:51:01 +02:00
clear.c move help text from include/usage.src.h to console-tools/*.c 2011-03-28 02:51:01 +02:00
Config.src Replace "depends on PLATFORM_LINUX" with "select PLATFORM_LINUX" 2011-02-26 22:24:08 +01:00
deallocvt.c move help text from include/usage.src.h to console-tools/*.c 2011-03-28 02:51:01 +02:00
dumpkmap.c libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it 2016-04-21 17:39:11 +02:00
fgconsole.c move help text from include/usage.src.h to console-tools/*.c 2011-03-28 02:51:01 +02:00
kbd_mode.c *: remove "Options:" string from help texts 2011-06-05 03:58:28 +02:00
Kbuild.src *: make GNU licensing statement forms more regular 2010-08-16 20:14:46 +02:00
loadfont.c whitespace fixes. no code changes 2013-01-15 13:58:01 +01:00
loadkmap.c libbb: introduce and use is_prefixed_with() 2015-03-12 17:48:34 +01:00
openvt.c *: remove "Options:" string from help texts 2011-06-05 03:58:28 +02:00
reset.c move help text from include/usage.src.h to console-tools/*.c 2011-03-28 02:51:01 +02:00
resize.c libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for it 2016-04-21 17:39:11 +02:00
setconsole.c *: remove "Options:" string from help texts 2011-06-05 03:58:28 +02:00
setkeycodes.c move help text from include/usage.src.h to console-tools/*.c 2011-03-28 02:51:01 +02:00
setlogcons.c setlogcons: fix help text 2014-07-04 13:58:57 +02:00
showkey.c Removes stray empty line from code 2015-07-13 03:25:46 +02:00