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dd: add optional support for status=noxfer/none

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While at it, added 'B' number suffixes, upstream compat

function                                             old     new   delta
dd_main                                             1469    1543     +74
dd_suffixes                                           88     112     +24
packed_usage                                       30156   30176     +20
dd_output_status                                     372     388     +16
static.status_words                                    -      13     +13
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(add/remove: 1/0 grow/shrink: 4/0 up/down: 147/0)             Total: 147 bytes

Signed-off-by: Ari Sundholm <ari@tuxera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Ari Sundholm
2015-02-07 01:41:22 +01:00
committed by Denys Vlasenko
parent 7e66102f76
commit f22a838aed
2 changed files with 111 additions and 70 deletions
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38
coreutils/Config.src
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@@ -87,44 +87,6 @@ config CUT
cut is used to print selected parts of lines from
each file to stdout.
config DD
bool "dd"
default y
help
dd copies a file (from standard input to standard output,
by default) using specific input and output blocksizes,
while optionally performing conversions on it.
config FEATURE_DD_SIGNAL_HANDLING
bool "Enable DD signal handling for status reporting"
default y
depends on DD
help
Sending a SIGUSR1 signal to a running `dd' process makes it
print to standard error the number of records read and written
so far, then to resume copying.
$ dd if=/dev/zero of=/dev/null&
$ pid=$! kill -USR1 $pid; sleep 1; kill $pid
10899206+0 records in
10899206+0 records out
config FEATURE_DD_THIRD_STATUS_LINE
bool "Enable the third status line upon signal"
default y
depends on DD && FEATURE_DD_SIGNAL_HANDLING
help
Displays a coreutils-like third status line with transferred bytes,
elapsed time and speed.
config FEATURE_DD_IBS_OBS
bool "Enable ibs, obs and conv options"
default y
depends on DD
help
Enables support for writing a certain number of bytes in and out,
at a time, and performing conversions on the data stream.
config DF
bool "df"
default y