aboutsummaryrefslogtreecommitdiff
path: root/coreutils/dd.c
AgeCommit message (Collapse)Author
2020-12-14dd: support for O_DIRECT i/oDenys Vlasenko
Based on patch by Akash Hadke <hadkeakash4@gmail.com> function old new delta dd_read - 66 +66 clear_O_DIRECT - 55 +55 write_and_stats 102 135 +33 dd_main 1578 1601 +23 static.oflag_words 19 26 +7 static.iflag_words 22 29 +7 packed_usage 33665 33668 +3 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 5/0 up/down: 194/0) Total: 194 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-14dd: fix handling of short result of full_write(), closes 11711Denys Vlasenko
$ dd bs=1G <sda1 of=/dev/sda1 dd: error writing '/dev/sda1': No space left on device 1+0 records in 0+0 records out 999292928 bytes (953.0MB) copied, 0.784617 seconds, 1.2GB/s function old new delta write_and_stats 99 102 +3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-02-14dd: add 'oflag=append'Rostislav Skudnov
Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-12-28config: update size informationDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30dd: do not have 'ocount' variable if ibs/obs support is not enabledDenys Vlasenko
function old new delta packed_usage 32964 32961 -3 dd_main 1033 1021 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-15) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-10-30dd: add 'oflag=seek_bytes'Rostislav Skudnov
Allow specifying position in the output file in bytes instead of obs-sized blocks, improve compatibility with GNU dd. function old new delta dd_main 1632 1693 +61 packed_usage 33130 33150 +20 static.oflag_words - 12 +12 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 93/0) Total: 93 bytes Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-25dd: add 'fullblock' iflagNicholas Clark
Adds a fullblock iflag for improved compatibility with GNU dd. The new iflag can be used to ensure that dd calls retrieve the expected amount of data when reading from pipes or unusual filesystems. function old new delta packed_usage 32249 32334 +85 dd_main 1582 1632 +50 static.iflag_words 12 22 +10 ------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 145/0) Total: 145 bytes Signed-off-by: Nicholas Clark <nicholas.clark@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-10dd: fixed partial count logicDenys Vlasenko
$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $? 8+0 records in 7+0 records out <=========== FIXED, was 7+1 805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s 1 function old new delta write_and_stats 97 99 +2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2018-01-10dd: exit with 1 if last write was incompleteDenys Vlasenko
$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $? 8+0 records in 7+1 records out 805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s 1 <=========== FIXED function old new delta write_and_stats 96 97 +1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-08-02config: do not use `a' quoting in help textsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-21config: deindent all help textsDenys Vlasenko
Those two spaces after tab have no effect, and always a nuisance when editing. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-18Update menuconfig items with approximate applet sizesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-14dd: fix status=none. Closes 10066Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-03-16dd: call fsync() only once before exiting if conv=fsync is specifiedRostislav Skudnov
Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-10Big cleanup in config help and descriptionDenys Vlasenko
Redundant help texts (one which only repeats the description) are deleted. Descriptions and help texts are trimmed. Some config options are moved, even across menus. No config option _names_ are changed. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-11-23Convert all coreutils/* applets to "new style" applet definitionsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-21*: add most of the required setup_common_bufsiz() callsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-04-21libbb: make bb_common_bufsiz1 1 kbyte, add capability to use bss tail for itDenys Vlasenko
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>
2016-02-01dd: support iflag=skip_bytesRafał Miłecki
It allows specifying amount of bytes directly (not only amount of blocks) is also supported by GNU's Coreutils. function old new delta parse_comma_flags - 93 +93 static.iflag_words - 12 +12 dd_main 1569 1580 +11 packed_usage 30591 30600 +9 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 2/0 up/down: 125/0) Total: 125 bytes Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-14libiproute: rename invarg(a,b) to invarg_1_to_2(a,b)Denys Vlasenko
invarg(a,b) - "invalid argument", but how a and b enter the message? invarg_1_to_2(a,b) is somewhat easier to read: "invalid argument 'a' to 'b'" Audit of usage revealed a number of bad uses, with too long messages. text data bss dec hex filename 938848 932 17448 957228 e9b2c busybox_old 938788 932 17448 957168 e9af0 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-03-22dd: move suffix struct to xatonum.cAri Sundholm
This way it can be used by other applets without duplication. Signed-off-by: Ari Sundholm <ari@tuxera.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-02-07dd: add optional support for status=noxfer/noneAri Sundholm
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 ------------------------------------------------------------------------------ (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>
2013-08-20dd: code shrinkDenys Vlasenko
function old new delta dd_main 1475 1469 -6 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-20dd: code shrinkDenys Vlasenko
function old new delta dd_main 1487 1475 -12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-20dd: code shrinkDenys Vlasenko
function old new delta write_and_stats 78 99 +21 dd_main 1496 1487 -9 full_write_or_warn 42 - -42 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 21/-51) Total: -30 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-20dd: remove FIXME comment which is fixed now. No code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-20dd: code shrinkDenys Vlasenko
function old new delta dd_main 1001 961 -40 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-20dd: fail if swab is attempted on odd-sized blockDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-19dd: fix example in a comment. No code changes.Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-19dd: support conv=swabDenys Vlasenko
function old new delta dd_main 1482 1520 +38 static.conv_words 28 33 +5 packed_usage 29377 29375 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-08-19dd: do not reuse local variables for unrelated values.Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-06-05*: remove "Options:" string from help textsDenys Vlasenko
function old new delta packed_usage 28706 28623 -83 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-31move help text from include/usage.src.h to coreutils/*.cPere Orga
Signed-off-by: Pere Orga <gotrunks@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-03-22dd: free allocated memory if CLEANUP enabledAlexey Soloviev
Signed-off-by: Alexey Soloviev <EXT-Alexey.Soloviev@nokia.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-29whitespace cleanupDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-08-16*: make GNU licensing statement forms more regularDenys Vlasenko
This change retains "or later" state! No licensing _changes_ here, only form is adjusted (article, space between "GPL" and "v2" and so on). Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-02-04*: suppress ~60% of "aliased warnings" on gcc-4.4.1Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-28*: style fixes. no code changes (verified with objdump)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-02*: introduce and use ffulsh_all()Denys Vlasenko
function old new delta buffer_fill_and_print 179 196 +17 fflush_all - 9 +9 spawn 87 92 +5 rtcwake_main 455 453 -2 ... alarm_intr 93 84 -9 readcmd 1072 1062 -10 bb_ask 345 333 -12 more_main 845 832 -13 flush_stdout_stderr 42 23 -19 xfflush_stdout 27 - -27 flush_stderr 30 - -30 ------------------------------------------------------------------------------ (add/remove: 1/2 grow/shrink: 2/50 up/down: 31/-397) Total: -366 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-14dd: use correct multiplication factor and simplify codeDenys Vlasenko
function old new delta dd_output_status 332 364 +32 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-14dd: add a comment, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-14dd: speed measurement. optional.Gabor Heja
function old new delta dd_output_status 68 289 +221 dd_main 1463 1482 +19 write_and_stats 64 75 +11 packed_usage 26529 26526 -3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 251/-3) Total: 248 bytes Signed-off-by: Gabor Heja <kakaopor@kakaopor.hu> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-30find: add zeroing of G.xxx; ftpd - remove extraneous zeroing of G.xxxDenys Vlasenko
Brought "G trick" to the same shape in a few more places. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-18dd: fix conv=noerror w/o sync to not write out zeroed blocksDenys Vlasenko
function old new delta dd_main 1480 1463 -17 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-06more C standard compat fixes from Dan FandrichDenys Vlasenko
function old new delta docolon 207 204 -3 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-08-05dd: conv=noerror should skip read errors using lseek (bug 539)Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2008-11-25ash,hush: add TODO for rare build failureDenis Vlasenko
*: remove some redundant includes
2008-07-05*: rename ATTRIBUTE_XXX to just XXX.Denis Vlasenko
2008-05-13more -Wall warning fixes from Cristian Ionescu-Idbohrn.Denis Vlasenko
This time it resulted in small code changes: function old new delta nexpr 820 828 +8 tail_main 1200 1202 +2 wrapf 166 167 +1 parse_mount_options 227 209 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 11/-18) Total: -7 bytes
2008-04-23dd: fix recent breakage (was comparing "if" with "if=" etc).Denis Vlasenko
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 21:53:33 +0000