open(O_RDWR) and lseek() fail
Eric Blake
eblake@redhat.com
Fri Mar 28 09:31:00 GMT 2014
On 03/27/2014 07:29 PM, Roy wrote:
> Hello list,
>
> I wonder why lseek(SEEK_CUR) on open(O_RDWR) fails with errno=22, the
> code works on Linux:
>
> #include <stdio.h>
> #include <errno.h>
> #include <stdlib.h>
> #include <fcntl.h>
> int main(int argc, char** argv){
Where's #include <unistd.h>? It fails because you are missing the
prototype for lseeks, which means that the C compiler is trying to call
it with 'int offset' instead of 'off_t offset'. Compile with -Wall.
>
> Whats wrong with cygwin?
Rather, fix the bugs in your code, and let the compiler help you.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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