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function old new delta
bb_copyfd_exact_size 51 98 +47
bb_full_fd_action 362 394 +32
get_header_tar 1546 1558 +12
data_extract_to_command 430 439 +9
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(add/remove: 0/0 grow/shrink: 4/0 up/down: 100/0) Total: 100 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_full_fd_action 283 295 +12
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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text data bss dec hex filename
808035 611 6868 815514 c719a busybox_old
804472 611 6868 811951 c63af busybox_unstripped
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People who want smaller stack at any cost may use it
to reduce cp's stack usage (FEATURE_COPYBUF_KB=1).
Desktop people may get faster copy of big files
(FEATURE_COPYBUF_KB=32 is ~30% faster than 4kb)
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cat: stop using stdio.h opens
libbb: introduce & use open[3]_or_warn
function old new delta
open3_or_warn - 54 +54
bb_cat 115 144 +29
open_or_warn - 25 +25
unlzma 2404 2412 +8
chattr_main 334 339 +5
xstrtoul_range_sfx 251 255 +4
telnet_main 1514 1510 -4
static.opt 4 - -4
qgravechar 122 118 -4
fuser_add_pid 61 54 -7
fuser_add_inode 154 147 -7
writeFileToTarball 1542 1534 -8
refresh 1156 1148 -8
do_show 856 846 -10
read_leases 212 200 -12
setup_redirects 236 222 -14
iproute_list_or_flush 1582 1568 -14
read_config 427 411 -16
write_leases 284 264 -20
hash_file 338 318 -20
copy_file 1760 1740 -20
do_iproute 2610 2588 -22
bb_full_fd_action 320 269 -51
open_to_or_warn 103 49 -54
fuser_main 1660 1596 -64
.rodata 131160 131096 -64
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(add/remove: 2/1 grow/shrink: 4/19 up/down: 125/-423) Total: -298 bytes
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rename sllep_and_die -> xfunc_die
make fflush_stdout_and_exit NOFORK-safe
fix some buglets found by randomconfig
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Put big scary warnings in relevant places.
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use it for making NOFORK more practical.
touch: make it a NOFORK applet
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(we have bb_copyfd_exact_size now for that kind of usage)
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bb_full_fd_action: optimize
die_if_ferror: "<applet>: filename" isn't a good err msg, add "..I/O error"
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xlseek and fdlength() for the new mkswap.
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- include the correct headers: applets need busybox.h while lib* need libbb.h
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definitions. (That should only be on prototypes.)
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echo > foo && zip foo.zip foo && ./busybox unzip foo.zip
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on file sizes between 2 and 4 gigs on 32 bit machines. For supporting >4 gigs,
just use a 64 bit machine already...)
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chunk of data when they get it and not block until they've buffered 4k.
The use case was cat /proc/psaux, but you can also reproduce this by
running non-busybox cat by itself and typing things at the command line.
Then run busybox cat. Notice how cat is _supposed_ to echo each line back
to us as we hit enter?
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fixing bug http://bugs.uclibc.org/view.php?id=231
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major breaking.
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it seemed like a good idea at the time.
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reading untill eof which breaks tar
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archive_xread can be replaced with bb_full_read, and archive_copy_file
with bb_copyfd*
bb_copyfd is split into two functions bb_copyfd_size and bb_copyfd_eof,
they share a common backend.
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-Erik
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(used by cat, grep, sed, etc) quite a bit faster.
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