| Commit message (Collapse) | Author | Age | Files | Lines |
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to specify an alternative padding character when using a conversion
mode, or when using noerror with sync and an input error occurs. This
facilities reading old and error-prone media by allowing the user to
more effectively mark error blocks in the output stream.
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OK'ed by: imp, core
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-ansi, due to 'long long'.
Reviewed by: green (slightly earlier version)
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Also, check for ftruncate() return value and die on failure, but only
try to ftruncate() when the file is a regular file.
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we're done (not yet!) :)
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Allow a device type of D_DISK or D_MEM to be ISSEEK.
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BDEification process of dd(1). Most of the changes are from BDE's archive.
Support for negative offsets is gone again, but the case where you
lseek() onto byte -1 of something from a negative offset using seek/skip
is fixed; if you end up on -1, you won't get a false positive lseek failure.
The biggest changes are to data types (more size_t, for instance) and
argument parsing. skip/seek on /dev/{,k}mem now occurs (instead of "read
until you reach the offset") due to mem devices now being D_DISK. Some
const things are now correctly declared as such, and the "case table"
building is better. The only thing that seems to be left to make dd(1)
everything TOG wants it to be is l10n.
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Also, fix pos_out() to do the same checks pos_in() did.
Done for: jdp, luigi, the good of the world
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request of Bruce. More changes may follow later. 'g' multiplier has
been added (i.e. dd seek=5g if=bigfile.) Some minor corrections were made
as well.
Noticed by: bde
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off_t, int, u_int64_t, etc.). dd(1) should now work properly with REALLY
big amounts of data.
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Reviewed by: bde
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things like diskless clients' swap files etc.
Submitted by: pascal@zuo.dec.com (Pascal Pederiva) (ages ago, with many
stylistic changes by me)
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This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
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and he's right ... I forgot about this floating point stuff you can
use in user-land :-)
Increase precision of duration to microseconds.
No heuristics to avoid overflow in calculation needed - just depend
on DBL_MAX being a bit larger than LONG_MAX.
Use double instead of `struct timeval' in dd.h so that everything
doesn't have to include <sys/time.h>.
Fixed style bugs in recent and old FreeBSD changes.
Reviewed by: phk
Submitted by: bde
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Some heuristics to avoid overflow in calculation attempted.
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