headers/posix/dirent.h

   1 /*
   2  * Copyright 2002-2012 Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _DIRENT_H
   6 #define _DIRENT_H
   7
   8
   9 #include <sys/types.h>
  10
  11
  12 typedef struct dirent {
  13         dev_t                   d_dev;          /* device */
  14         dev_t                   d_pdev;         /* parent device (only for queries) */
  15         ino_t                   d_ino;          /* inode number */
  16         ino_t                   d_pino;         /* parent inode (only for queries) */
  17         unsigned short  d_reclen;       /* length of this record, not the name */
  18         char                    d_name[1];      /* name of the entry (null byte terminated) */
  19 } dirent_t;
  20
  21 typedef struct __DIR DIR;
  22
  23 #ifndef MAXNAMLEN
  24 #       ifdef  NAME_MAX
  25 #               define MAXNAMLEN NAME_MAX
  26 #       else
  27 #               define MAXNAMLEN 256
  28 #       endif
  29 #endif
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 DIR*                    fdopendir(int fd);
  36 DIR*                    opendir(const char* dirName);
  37 struct dirent*  readdir(DIR* dir);
  38 int                             readdir_r(DIR* dir, struct dirent* entry,
  39                                         struct dirent** _result);
  40 int                             closedir(DIR* dir);
  41 void                    rewinddir(DIR* dir);
  42 void                    seekdir(DIR* dir, long int position);
  43 long int                telldir(DIR* dir);
  44 int                             dirfd(DIR* dir);
  45
  46 int                             alphasort(const struct dirent** entry1,
  47                                         const struct dirent** entry2);
  48 int                             scandir(const char* dir, struct dirent*** _entryArray,
  49                                         int (*selectFunc)(const struct dirent*),
  50                                         int (*compareFunc)(const struct dirent** entry1,
  51                                                 const struct dirent** entry2));
  52
  53 #ifdef __cplusplus
  54 }
  55 #endif
  56
  57 #endif  /* _DIRENT_H */