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 --- editors/diff.c | 1 + editors/ed.c | 8 +++++--- editors/sed.c | 3 ++- 3 files changed, 8 insertions(+), 4 deletions(-) (limited to 'editors') diff --git a/editors/diff.c b/editors/diff.c index a892cfdf2..3c8e9074a 100644 --- a/editors/diff.c +++ b/editors/diff.c @@ -125,6 +125,7 @@ //usage: "\n -w Ignore all whitespace" #include "libbb.h" +#include "common_bufsiz.h" #if 0 # define dbg_error_msg(...) bb_error_msg(__VA_ARGS__) diff --git a/editors/ed.c b/editors/ed.c index a4c419099..8da7b1dd5 100644 --- a/editors/ed.c +++ b/editors/ed.c @@ -23,6 +23,7 @@ //usage:#define ed_full_usage "" #include "libbb.h" +#include "common_bufsiz.h" typedef struct LINE { struct LINE *next; @@ -32,11 +33,12 @@ typedef struct LINE { } LINE; -#define searchString bb_common_bufsiz1 +#define searchString bb_common_bufsiz1 +#define sizeof_searchString COMMON_BUFSIZE enum { - USERSIZE = sizeof(searchString) > 1024 ? 1024 - : sizeof(searchString) - 1, /* max line length typed in by user */ + USERSIZE = sizeof_searchString > 1024 ? 1024 + : sizeof_searchString - 1, /* max line length typed in by user */ INITBUF_SIZE = 1024, /* initial buffer size */ }; diff --git a/editors/sed.c b/editors/sed.c index 9c4c8e148..330190e78 100644 --- a/editors/sed.c +++ b/editors/sed.c @@ -86,6 +86,7 @@ //usage: "bar\n" #include "libbb.h" +#include "common_bufsiz.h" #include "xregex.h" #if 0 @@ -161,7 +162,7 @@ struct globals { int len; /* Space allocated */ } pipeline; } FIX_ALIASING; -#define G (*(struct globals*)&bb_common_bufsiz1) +#define G (*(struct globals*)bb_common_bufsiz1) #define INIT_G() do { \ BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \ G.sed_cmd_tail = &G.sed_cmd_head; \ -- cgit v1.2.3