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moved biggest stack buffers to malloc space, or made their size configurable

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(8k of shell line edit buffer is an overkill)

# make ARCH=i386 bloatcheck
function                                             old     new   delta
read_line_input                                     3933    3967     +34
ifaddrlist                                           348     345      -3
do_loadfont                                          208     191     -17
edit_file                                            840     819     -21
.rodata                                           129112  129080     -32
uncompress                                          1305    1268     -37
loadfont_main                                        566     495     -71
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/6 up/down: 34/-181)          Total: -147 bytes
This commit is contained in:
Denis Vlasenko
2007-06-10 15:08:44 +00:00
parent d4fea900bd
commit e8a0788b24
8 changed files with 179 additions and 149 deletions
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10
editors/Config.in
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@@ -50,6 +50,16 @@ config VI
learning curve. If you are not already comfortable with 'vi'
you may wish to use something else.
config FEATURE_VI_MAX_LEN
int "Maximum line length in vi"
range 256 16384
default 1024
depends on VI
help
vi uses on-stack buffers for intermediate line buffers.
You may want to decrease this parameter if your target machine
benefits from smaller stack usage.
config FEATURE_VI_COLON
bool "Enable \":\" colon commands (no \"ex\" mode)"
default y