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author | Denys Vlasenko <vda.linux@googlemail.com> | 2016-04-21 16:26:30 +0200 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2016-04-21 17:39:11 +0200 |
commit | e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a (patch) | |
tree | 0962142ac9830312cd3df52994db41e8ac47c73c /miscutils/less.c | |
parent | 5598bdf0d3d46a865a4d23785e2d09e6db9be420 (diff) | |
download | busybox-w32-e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a.tar.gz busybox-w32-e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a.tar.bz2 busybox-w32-e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a.zip |
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>
Diffstat (limited to 'miscutils/less.c')
-rw-r--r-- | miscutils/less.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/miscutils/less.c b/miscutils/less.c index ccdb15fdc..94ecf1686 100644 --- a/miscutils/less.c +++ b/miscutils/less.c | |||
@@ -127,6 +127,7 @@ | |||
127 | #include <sched.h> /* sched_yield() */ | 127 | #include <sched.h> /* sched_yield() */ |
128 | 128 | ||
129 | #include "libbb.h" | 129 | #include "libbb.h" |
130 | #include "common_bufsiz.h" | ||
130 | #if ENABLE_FEATURE_LESS_REGEXP | 131 | #if ENABLE_FEATURE_LESS_REGEXP |
131 | #include "xregex.h" | 132 | #include "xregex.h" |
132 | #endif | 133 | #endif |
@@ -439,7 +440,8 @@ static int at_end(void) | |||
439 | */ | 440 | */ |
440 | static void read_lines(void) | 441 | static void read_lines(void) |
441 | { | 442 | { |
442 | #define readbuf bb_common_bufsiz1 | 443 | #define readbuf bb_common_bufsiz1 |
444 | #define sizeof_readbuf COMMON_BUFSIZE | ||
443 | char *current_line, *p; | 445 | char *current_line, *p; |
444 | int w = width; | 446 | int w = width; |
445 | char last_terminated = terminated; | 447 | char last_terminated = terminated; |
@@ -480,7 +482,7 @@ static void read_lines(void) | |||
480 | time_t t; | 482 | time_t t; |
481 | 483 | ||
482 | errno = 0; | 484 | errno = 0; |
483 | eof_error = safe_read(STDIN_FILENO, readbuf, sizeof(readbuf)); | 485 | eof_error = safe_read(STDIN_FILENO, readbuf, sizeof_readbuf); |
484 | if (errno != EAGAIN) | 486 | if (errno != EAGAIN) |
485 | break; | 487 | break; |
486 | t = time(NULL); | 488 | t = time(NULL); |