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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 <dirent.h>
- #include <errno.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <dirent.h>
- #include "dirstream.h"
- extern int getdents64 __P ((unsigned int fd, struct dirent64 *dirp, unsigned int count));
- struct dirent64 *readdir64(DIR * dir)
- {
- ssize_t bytes;
- struct dirent64 *de;
- if (!dir) {
- __set_errno(EBADF);
- return 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) {
- de = NULL;
- 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);
- all_done:
- #ifdef __UCLIBC_HAS_THREADS__
- pthread_mutex_unlock(&(dir->dd_lock));
- #endif
- return de;
- }
- #endif /* __UCLIBC_HAS_LFS__ */
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