.Xr mount 8 . )
.Pp
The directory entry format is defined in the file
+.Aq sys/dirent.h
+and further in the file
.Aq dirent.h :
.Bd -literal
-#ifndef _DIRENT_H_
-#define _DIRENT_H_
-
+/*** Excerpt from <sys/dirent.h> ***/
/*
-* A directory entry has a struct dirent at the front of it, containing its
-* inode number, the length of the entry, and the length of the name
-* contained in the entry. These are followed by the name padded to a 4
-* byte boundary with null bytes. All names are guaranteed null terminated.
-* The maximum length of a name in a directory is MAXNAMLEN.
-*/
+ * The dirent structure defines the format of directory entries returned by
+ * the getdirentries(2) system call.
+ *
+ * A directory entry has a struct dirent at the front of it, containing its
+ * inode number, the length of the entry, and the length of the name
+ * contained in the entry. These are followed by the name padded to a 4
+ * byte boundary with null bytes. All names are guaranteed null terminated.
+ * The maximum length of a name in a directory is MAXNAMLEN.
+ * The dirent structure defines the format of directory entries returned by
+ * the getdirentries(2) system call.
+ */
+
+#ifndef _SYS_DIRENT_H
+#define _SYS_DIRENT_H
struct dirent {
- u_long d_fileno; /* file number of entry */
- u_short d_reclen; /* length of this record */
- u_short d_namlen; /* length of string in d_name */
+ u_int32_t d_fileno; /* file number of entry */
+ u_int16_t d_reclen; /* length of this record */
+ u_int8_t d_type; /* file type, see below */
+ u_int8_t d_namlen; /* length of string in d_name */
#ifdef _POSIX_SOURCE
- char d_name[MAXNAMLEN + 1]; /* maximum name length */
+ char d_name[255 + 1]; /* name must be no longer than this */
#else
#define MAXNAMLEN 255
- char d_name[MAXNAMLEN + 1]; /* maximum name length */
+ char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */
#endif
-
};
+/*
+ * File types
+ */
+#define DT_UNKNOWN 0
+#define DT_FIFO 1
+#define DT_CHR 2
+#define DT_DIR 4
+#define DT_BLK 6
+#define DT_REG 8
+#define DT_LNK 10
+#define DT_SOCK 12
+#define DT_WHT 14
+
+#endif /* !_SYS_DIRENT_H_ */
+
+.Ed
+-----------------------------------------
+.Bd -literal
+/*** Excerpt from <dirent.h> ***/
+
+#ifndef _DIRENT_H
+#define _DIRENT_H
+
#ifdef _POSIX_SOURCE
-typedef void * DIR;
+typedef void * DIR;
#else
-#define d_ino d_fileno /* backward compatibility */
+#define d_ino d_fileno /* backward compatibility */
/* definitions for library routines operating on directories. */
-#define DIRBLKSIZ 1024
+#define DIRBLKSIZ 1024
+
+struct _telldir; /* see telldir.h */
/* structure describing an open directory. */
typedef struct _dirdesc {
- int dd_fd; /* file descriptor associated with directory */
- long dd_loc; /* offset in current buffer */
- long dd_size; /* amount of data returned by getdirentries */
- char *dd_buf; /* data buffer */
- int dd_len; /* size of data buffer */
- long dd_seek; /* magic cookie returned by getdirentries */
+ int dd_fd; /* file descriptor associated with directory */
+ long dd_loc; /* offset in current buffer */
+ long dd_size; /* amount of data returned by getdirentries */
+ char *dd_buf; /* data buffer */
+ int dd_len; /* size of data buffer */
+ long dd_seek; /* magic cookie returned by getdirentries */
+ long dd_rewind; /* magic cookie for rewinding */
+ int dd_flags; /* flags for readdir */
+ pthread_mutex_t dd_lock; /* for thread locking */
+ struct _telldir *dd_td; /* telldir position recording */
} DIR;
-#define dirfd(dirp) ((dirp)->dd_fd)
+#define dirfd(dirp) ((dirp)->dd_fd)
-#ifndef NULL
-#define NULL 0
-#endif
+/* flags for opendir2 */
+#define DTF_HIDEW 0x0001 /* hide whiteout entries */
+#define DTF_NODUP 0x0002 /* don't return duplicate names */
+/* structure describing an open directory. */
+typedef struct _dirdesc {
+ int dd_fd; /* file descriptor associated with directory */
+ long dd_loc; /* offset in current buffer */
+ long dd_size; /* amount of data returned by getdirentries */
+ char *dd_buf; /* data buffer */
+ int dd_len; /* size of data buffer */
+ long dd_seek; /* magic cookie returned by getdirentries */
+ long dd_rewind; /* magic cookie for rewinding */
+ int dd_flags; /* flags for readdir */
+ pthread_mutex_t dd_lock; /* for thread locking */
+ struct _telldir *dd_td; /* telldir position recording */
+} DIR;
-#endif /* _POSIX_SOURCE */
+#define dirfd(dirp) ((dirp)->dd_fd)
-#ifndef _KERNEL
+/* flags for opendir2 */
+#define DTF_HIDEW 0x0001 /* hide whiteout entries */
+#define DTF_NODUP 0x0002 /* don't return duplicate names */
+#define DTF_REWIND 0x0004 /* rewind after reading union stack */
+#define __DTF_READALL 0x0008 /* everything has been read */
-#include <sys/cdefs.h>
+#ifndef NULL
+#define NULL 0
+#endif
-#endif /* !_KERNEL */
+#endif /* _POSIX_SOURCE */
#endif /* !_DIRENT_H_ */
.Ed
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