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#include <features.h>

#ifdef __UCLIBC_HAS_LFS__

#if defined _FILE_OFFSET_BITS && _FILE_OFFSET_BITS != 64 

#undef _FILE_OFFSET_BITS

#define _FILE_OFFSET_BITS   64

#endif

#ifndef __USE_LARGEFILE64

# define __USE_LARGEFILE64      1

#endif

/* We absolutely do _NOT_ want interfaces silently

 * renamed under us or very bad things will happen... */

#ifdef __USE_FILE_OFFSET64

# undef __USE_FILE_OFFSET64

#endif

#include <errno.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <dirent.h>

#include "dirstream.h"

int readdir64_r(DIR *dir, struct dirent64 *entry, struct dirent64 **result)

{

        int ret;

        ssize_t bytes;

        struct dirent64 *de;

        if (!dir) {

            __set_errno(EBADF);

            return(EBADF);

        }

        de = NULL;

#ifdef __UCLIBC_HAS_THREADS__

        __pthread_mutex_lock(&(dir->dd_lock));

#endif

        do {

            if (dir->dd_size <= dir->dd_nextloc) {

                /* read dir->dd_max bytes of directory entries. */

                bytes = __getdents64(dir->dd_fd, dir->dd_buf, dir->dd_max);

                if (bytes <= 0) {

                    *result = NULL;

                    ret = errno;

                    goto all_done;

                }

                dir->dd_size = bytes;

                dir->dd_nextloc = 0;

            }

            de = (struct dirent64 *) (((char *) dir->dd_buf) + dir->dd_nextloc);

            /* Am I right? H.J. */

            dir->dd_nextloc += de->d_reclen;

            /* We have to save the next offset here. */

            dir->dd_nextoff = de->d_off;

            /* Skip deleted files.  */

        } while (de->d_ino == 0);

        if (de == NULL) {

            *result = NULL;

        } else {

            *result = memcpy (entry, de, de->d_reclen);

        }

        ret = 0;

all_done:

#ifdef __UCLIBC_HAS_THREADS__

        __pthread_mutex_unlock(&(dir->dd_lock));

#endif

        return((de != NULL)? 0 : ret);

}

#endif /* __UCLIBC_HAS_LFS__ */