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| author | Denys Vlasenko | 2016-04-21 16:26:30 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2016-04-21 17:39:11 +0200 |
| commit | e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a (patch) | |
| tree | 0962142ac9830312cd3df52994db41e8ac47c73c /miscutils/conspy.c | |
| parent | 5598bdf0d3d46a865a4d23785e2d09e6db9be420 (diff) | |
| download | busybox-e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a.zip 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/conspy.c')
| -rw-r--r-- | miscutils/conspy.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/miscutils/conspy.c b/miscutils/conspy.c index 1a46a43..0d96a5f 100644 --- a/miscutils/conspy.c +++ b/miscutils/conspy.c @@ -42,6 +42,7 @@ //usage: "\n -y LINE Starting line" #include "libbb.h" +#include "common_bufsiz.h" #include <sys/kd.h> #define ESC "\033" @@ -363,7 +364,8 @@ int conspy_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int conspy_main(int argc UNUSED_PARAM, char **argv) { char tty_name[sizeof(DEV_TTY "NN")]; -#define keybuf bb_common_bufsiz1 +#define keybuf bb_common_bufsiz1 +#define sizeof_keybuf COMMON_BUFSIZE struct termios termbuf; unsigned opts; unsigned ttynum; @@ -513,7 +515,7 @@ int conspy_main(int argc UNUSED_PARAM, char **argv) default: // Read the keys pressed k = keybuf + G.key_count; - bytes_read = read(G.kbd_fd, k, sizeof(keybuf) - G.key_count); + bytes_read = read(G.kbd_fd, k, sizeof_keybuf - G.key_count); if (bytes_read < 0) goto abort; |