nativelibc/posix-io/dup.c

#include <windows.h>
#include <nt.h>
//#include <errno.h>

int dup(int oldfd) {
	void *r;
	long int status = NtDuplicateObject((void *)-1, (void *)oldfd, (void *)-1, &r, 0, 0, DUPLICATE_SAME_ATTRIBUTES | DUPLICATE_SAME_ACCESS);
	//return ntstatus_to_errno(status) ? -1 : (int)r;
	return status ? -1 : (int)r;		// TODO: implemente the errno
}