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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/microcom.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/microcom.c')
| -rw-r--r-- | miscutils/microcom.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/miscutils/microcom.c b/miscutils/microcom.c index 5e29a1acd..5eb2e6743 100644 --- a/miscutils/microcom.c +++ b/miscutils/microcom.c | |||
| @@ -19,6 +19,7 @@ | |||
| 19 | //usage: "\n -X Disable special meaning of NUL and Ctrl-X from stdin" | 19 | //usage: "\n -X Disable special meaning of NUL and Ctrl-X from stdin" |
| 20 | 20 | ||
| 21 | #include "libbb.h" | 21 | #include "libbb.h" |
| 22 | #include "common_bufsiz.h" | ||
| 22 | 23 | ||
| 23 | // set raw tty mode | 24 | // set raw tty mode |
| 24 | static void xget1(int fd, struct termios *t, struct termios *oldt) | 25 | static void xget1(int fd, struct termios *t, struct termios *oldt) |
| @@ -155,10 +156,11 @@ int microcom_main(int argc UNUSED_PARAM, char **argv) | |||
| 155 | skip_write: ; | 156 | skip_write: ; |
| 156 | } | 157 | } |
| 157 | if (pfd[0].revents) { | 158 | if (pfd[0].revents) { |
| 158 | #define iobuf bb_common_bufsiz1 | 159 | #define iobuf bb_common_bufsiz1 |
| 160 | #define sizeof_iobuf COMMON_BUFSIZE | ||
| 159 | ssize_t len; | 161 | ssize_t len; |
| 160 | // read from device -> write to stdout | 162 | // read from device -> write to stdout |
| 161 | len = safe_read(sfd, iobuf, sizeof(iobuf)); | 163 | len = safe_read(sfd, iobuf, sizeof_iobuf); |
| 162 | if (len > 0) | 164 | if (len > 0) |
| 163 | full_write(STDOUT_FILENO, iobuf, len); | 165 | full_write(STDOUT_FILENO, iobuf, len); |
| 164 | else { | 166 | else { |