include/dirent.h

   1 /*-
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      @(#)dirent.h    8.2 (Berkeley) 7/28/94
  30  * $FreeBSD: src/include/dirent.h,v 1.7 1999/12/29 05:01:20 peter Exp $
  31  */
  32
  33 #ifndef _DIRENT_H_
  34 #define _DIRENT_H_
  35
  36 /*
  37  * The kernel defines the format of directory entries returned by
  38  * the getdirentries(2) system call.
  39  */
  40 #include <sys/dirent.h>
  41
  42 #if __BSD_VISIBLE
  43
  44 /* definitions for library routines operating on directories. */
  45 #define DIRBLKSIZ       1024
  46
  47 struct _dirdesc;
  48 typedef struct _dirdesc DIR;
  49
  50 /* flags for opendir2 */
  51 #define DTF_HIDEW       0x0001  /* hide whiteout entries */
  52 #define DTF_NODUP       0x0002  /* don't return duplicate names */
  53 #define DTF_REWIND      0x0004  /* rewind after reading union stack */
  54 #define __DTF_READALL   0x0008  /* everything has been read */
  55 #define __DTF_SKIPME    0x0010  /* next entry to read not current entry */
  56
  57 #include <sys/_null.h>
  58
  59 #else /* !__BSD_VISIBLE */
  60
  61 typedef void *  DIR;
  62
  63 #endif /* __BSD_VISIBLE */
  64
  65 #ifndef _KERNEL
  66
  67 #include <sys/cdefs.h>
  68
  69 __BEGIN_DECLS
  70 DIR     *opendir(const char *);
  71 struct dirent *
  72          readdir(DIR *);
  73 void     rewinddir(DIR *);
  74 int      closedir(DIR *);
  75 #if __POSIX_VISIBLE >= 199506
  76 int      readdir_r(DIR *, struct dirent *, struct dirent **);
  77 #endif
  78 #if __POSIX_VISIBLE >= 200809
  79 int      alphasort(const struct dirent **, const struct dirent **);
  80 int      dirfd(DIR *);
  81 DIR     *fdopendir(int);
  82 int      scandir(const char *, struct dirent ***,
  83             int (*)(const struct dirent *),
  84             int (*)(const struct dirent **, const struct dirent **));
  85 #endif
  86 #if __XSI_VISIBLE
  87 void     seekdir(DIR *, long);
  88 long     telldir(DIR *);
  89 #endif
  90 #if __BSD_VISIBLE
  91 DIR     *__opendir2(const char *, int);
  92 DIR     *__fdopendir2(int, int);
  93 struct dirent *
  94          _readdir_unlocked(DIR *, int);
  95 void     _reclaim_telldir(DIR *);
  96 void     _seekdir(DIR *, long);
  97 int      getdents(int, char *, int);
  98 int      getdirentries(int, char *, int, long *);
  99 #endif /* __BSD_VISIBLE */
 100 __END_DECLS
 101
 102 #endif /* !_KERNEL */
 103
 104 #endif /* !_DIRENT_H_ */