From e6a2f4cc5a47d3022bdf5ca2cacbaa5a8c5baf7a Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 21 Apr 2016 16:26:30 +0200 Subject: 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 --- runit/runsv.c | 3 ++- runit/runsvdir.c | 3 ++- runit/sv.c | 3 ++- runit/svlogd.c | 5 +++-- 4 files changed, 9 insertions(+), 5 deletions(-) (limited to 'runit') diff --git a/runit/runsv.c b/runit/runsv.c index 4b18d12..8833f4c 100644 --- a/runit/runsv.c +++ b/runit/runsv.c @@ -45,6 +45,7 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include "libbb.h" +#include "common_bufsiz.h" #include "runit_lib.h" #if ENABLE_MONOTONIC_SYSCALL @@ -105,7 +106,7 @@ struct globals { char *dir; struct svdir svd[2]; } FIX_ALIASING; -#define G (*(struct globals*)&bb_common_bufsiz1) +#define G (*(struct globals*)bb_common_bufsiz1) #define haslog (G.haslog ) #define sigterm (G.sigterm ) #define pidchanged (G.pidchanged ) diff --git a/runit/runsvdir.c b/runit/runsvdir.c index b3d9e73..49c8f5b 100644 --- a/runit/runsvdir.c +++ b/runit/runsvdir.c @@ -57,6 +57,7 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include "libbb.h" +#include "common_bufsiz.h" #include "runit_lib.h" #define MAXSERVICES 1000 @@ -84,7 +85,7 @@ struct globals { unsigned stamplog; #endif } FIX_ALIASING; -#define G (*(struct globals*)&bb_common_bufsiz1) +#define G (*(struct globals*)bb_common_bufsiz1) #define sv (G.sv ) #define svdir (G.svdir ) #define svnum (G.svnum ) diff --git a/runit/sv.c b/runit/sv.c index de8a0d8..e83a297 100644 --- a/runit/sv.c +++ b/runit/sv.c @@ -189,6 +189,7 @@ Exit Codes #include #include "libbb.h" +#include "common_bufsiz.h" #include "runit_lib.h" struct globals { @@ -199,7 +200,7 @@ struct globals { uint64_t tstart, tnow; svstatus_t svstatus; } FIX_ALIASING; -#define G (*(struct globals*)&bb_common_bufsiz1) +#define G (*(struct globals*)bb_common_bufsiz1) #define acts (G.acts ) #define service (G.service ) #define rc (G.rc ) diff --git a/runit/svlogd.c b/runit/svlogd.c index dbe8df6..09efdb6 100644 --- a/runit/svlogd.c +++ b/runit/svlogd.c @@ -155,6 +155,7 @@ log message, you can use a pattern like this instead #include #include "libbb.h" +#include "common_bufsiz.h" #include "runit_lib.h" #define LESS(a,b) ((int)((unsigned)(b) - (unsigned)(a)) > 0) @@ -1045,9 +1046,9 @@ int svlogd_main(int argc, char **argv) } if (opt & 2) if (!repl) repl = '_'; // -R if (opt & 4) { // -l - linemax = xatou_range(l, 0, BUFSIZ-26); + linemax = xatou_range(l, 0, COMMON_BUFSIZE-26); if (linemax == 0) - linemax = BUFSIZ-26; + linemax = COMMON_BUFSIZE-26; if (linemax < 256) linemax = 256; } -- cgit v1.1