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33 * $FreeBSD: src/lib/libc/gen/readdir.c,v 1.5.2.4 2002/02/26 22:53:57 alfred Exp $
34 * $DragonFly: src/lib/libc/gen/readdir.c,v 1.10 2008/05/03 22:07:37 dillon Exp $
36 * @(#)readdir.c 8.3 (Berkeley) 9/29/94
39 #include "namespace.h"
40 #include <sys/param.h>
46 #include "un-namespace.h"
48 #include "libc_private.h"
51 * get next entry in a directory.
54 _readdir_unlocked(DIR *dirp, int skipdeleted)
60 if (dirp->dd_loc >= dirp->dd_size) {
61 if (dirp->dd_flags & __DTF_READALL)
65 if (dirp->dd_loc == 0 && !(dirp->dd_flags & __DTF_READALL)) {
66 dirp->dd_seek = lseek(dirp->dd_fd, 0, SEEK_CUR);
67 dirp->dd_size = _getdirentries(dirp->dd_fd,
68 dirp->dd_buf, dirp->dd_len, &dummy);
69 if (dirp->dd_size <= 0)
72 dp = (struct dirent *)(dirp->dd_buf + dirp->dd_loc);
73 if (_DIRENT_DIRSIZ(dp) > dirp->dd_len + 1 - dirp->dd_loc)
75 dirp->dd_loc += _DIRENT_DIRSIZ(dp);
80 if (dp->d_type == DT_WHT && (dirp->dd_flags & DTF_HIDEW))
93 _pthread_mutex_lock((pthread_mutex_t *)&dirp->dd_lock);
94 dp = _readdir_unlocked(dirp, 1);
96 _pthread_mutex_unlock((pthread_mutex_t *)&dirp->dd_lock);
102 readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
110 _pthread_mutex_lock((pthread_mutex_t *)&dirp->dd_lock);
111 if ((dp = _readdir_unlocked(dirp, 1)) != NULL)
112 memcpy(entry, dp, _DIRENT_MINSIZ(dp));
114 _pthread_mutex_unlock((pthread_mutex_t *)&dirp->dd_lock);