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>
diff --git a/networking/isrv_identd.c b/networking/isrv_identd.c
index 252c8ab..f63ed8e 100644
--- a/networking/isrv_identd.c
+++ b/networking/isrv_identd.c
@@ -18,6 +18,7 @@
//usage: "\n STRING Ident answer string (default: nobody)"
#include "libbb.h"
+#include "common_bufsiz.h"
#include <syslog.h>
#include "isrv.h"
@@ -28,7 +29,8 @@
char buf[64 - sizeof(int)];
} identd_buf_t;
-#define bogouser bb_common_bufsiz1
+#define bogouser bb_common_bufsiz1
+#define sizeof_bogouser COMMON_BUFSIZE
static int new_peer(isrv_state_t *state, int fd)
{
@@ -118,7 +120,7 @@
opt = getopt32(argv, "fiwb:", &bind_address);
strcpy(bogouser, "nobody");
if (argv[optind])
- strncpy(bogouser, argv[optind], sizeof(bogouser) - 1);
+ strncpy(bogouser, argv[optind], sizeof_bogouser - 1);
/* Daemonize if no -f and no -i and no -w */
if (!(opt & OPT_fiw))