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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2016-04-21 16:26:30 +0200 |
|---|---|---|
| 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-e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a.tar.gz | |
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 @@ #include <sched.h> /* sched_yield() */ #include "libbb.h" +#include "common_bufsiz.h" #if ENABLE_FEATURE_LESS_REGEXP #include "xregex.h" #endif @@ -439,7 +440,8 @@ static int at_end(void) */ static void read_lines(void) { -#define readbuf bb_common_bufsiz1 +#define readbuf bb_common_bufsiz1 +#define sizeof_readbuf COMMON_BUFSIZE char *current_line, *p; int w = width; char last_terminated = terminated; @@ -480,7 +482,7 @@ static void read_lines(void) time_t t; errno = 0; - eof_error = safe_read(STDIN_FILENO, readbuf, sizeof(readbuf)); + eof_error = safe_read(STDIN_FILENO, readbuf, sizeof_readbuf); if (errno != EAGAIN) break; t = time(NULL); |