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Annotation of src/include/dirent.h, Revision 1.13

1.13    ! avsm        1: /*     $OpenBSD: dirent.h,v 1.12 2003/06/26 19:34:17 avsm Exp $        */
1.1       deraadt     2: /*     $NetBSD: dirent.h,v 1.9 1995/03/26 20:13:37 jtc Exp $   */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1989, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
1.10      millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)dirent.h    8.2 (Berkeley) 7/28/94
                     33:  */
                     34:
                     35: #ifndef _DIRENT_H_
                     36: #define _DIRENT_H_
                     37:
                     38: /*
1.2       deraadt    39:  * POSIX doesn't mandate this, but X/Open XPG 4.2 does.
                     40:  */
                     41: #ifndef _POSIX_SOURCE
                     42: #include <sys/types.h>
                     43: #endif
                     44:
                     45: /*
1.1       deraadt    46:  * The kernel defines the format of directory entries returned by
                     47:  * the getdirentries(2) system call.
                     48:  */
                     49: #include <sys/dirent.h>
                     50:
                     51: #ifdef _POSIX_SOURCE
                     52: typedef void * DIR;
                     53: #else
                     54:
                     55: #define        d_ino           d_fileno        /* backward compatibility */
                     56:
                     57: /* definitions for library routines operating on directories. */
                     58: #define        DIRBLKSIZ       1024
                     59:
                     60: /* structure describing an open directory. */
                     61: typedef struct _dirdesc {
                     62:        int     dd_fd;          /* file descriptor associated with directory */
                     63:        long    dd_loc;         /* offset in current buffer */
                     64:        long    dd_size;        /* amount of data returned by getdirentries */
                     65:        char    *dd_buf;        /* data buffer */
                     66:        int     dd_len;         /* size of data buffer */
                     67:        long    dd_seek;        /* magic cookie returned by getdirentries */
                     68:        long    dd_rewind;      /* magic cookie for rewinding */
                     69:        int     dd_flags;       /* flags for readdir */
                     70: } DIR;
                     71:
                     72: #define        dirfd(dirp)     ((dirp)->dd_fd)
                     73:
                     74: /* flags for opendir2 */
                     75: #define DTF_HIDEW      0x0001  /* hide whiteout entries */
                     76: #define DTF_NODUP      0x0002  /* don't return duplicate names */
                     77: #define DTF_REWIND     0x0004  /* rewind after reading union stack */
                     78: #define __DTF_READALL  0x0008  /* everything has been read */
                     79:
                     80: #ifndef NULL
1.5       espie      81: #ifdef         __GNUG__
1.6       espie      82: #define        NULL    __null
1.5       espie      83: #else
1.9       millert    84: #define        NULL    0L
1.5       espie      85: #endif
1.1       deraadt    86: #endif
                     87:
                     88: #endif /* _POSIX_SOURCE */
                     89:
                     90: #ifndef _KERNEL
                     91:
                     92: #include <sys/cdefs.h>
                     93:
                     94: __BEGIN_DECLS
1.7       millert    95: DIR *opendir(const char *);
                     96: struct dirent *readdir(DIR *);
                     97: void rewinddir(DIR *);
                     98: int closedir(DIR *);
1.1       deraadt    99: #ifndef _POSIX_SOURCE
1.7       millert   100: DIR *__opendir2(const char *, int);
                    101: long telldir(const DIR *);
                    102: void seekdir(DIR *, long);
1.8       millert   103: int scandir(const char *, struct dirent ***,
                    104:     int (*)(struct dirent *), int (*)(const void *, const void *));
1.7       millert   105: int alphasort(const void *, const void *);
1.13    ! avsm      106: int getdirentries(int, char *, int, long *)
        !           107:                __attribute__ ((__bounded__(__string__,2,3)));
1.1       deraadt   108: #endif /* not POSIX */
1.7       millert   109: int readdir_r(DIR *, struct dirent *, struct dirent **);
1.1       deraadt   110: __END_DECLS
                    111:
                    112: #endif /* !_KERNEL */
                    113:
                    114: #endif /* !_DIRENT_H_ */