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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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