On Mar 12 15:49, Marco Atzeri wrote: > On 12/03/2017 12:39, Corinna Vinschen wrote: > > On Mar 12 00:33, Josef Frank wrote: > > > > > > Dear all, > > > > > > > > > dd utility has problems to write to /dev/null with bs>=2^31, > > > while bs<2^31 is ok. > > > > > > Increasing bs further to 2^33 leads to extended error message > > > > > > For description see below > > > > Thanks for the testcase. It's a combination of two bugs: > > > > - At a crucial point in write(2), Cygwin used an int variable where > > it should have used a ssize_t variable. This fouled up the return > > value for lengths >= 2^31. > > > > - When writing to the Windows NUL device, NtWriteFile only returns the > > lower 32 bits od the number of bytes written. This fouls up the > > return value of write(2) for lengths >= 2^32. > > > > I fixed the first problem and created a workaround for the second. > > > > I uploaded new developer snapshots to XXXXXXXXXXXXXXXXXXXXXXXXXXXX > > Please give 'em a try. > > May be > https://cygwin.com/snapshots/
Oops, right :) Thanks, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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