dirent.h

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/*
 * This file is part of the µOS++ project (https://micro-os-plus.github.io/).
 * Copyright (c) 2015-2025 Liviu Ionescu. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software
 * for any purpose is hereby granted, under the terms of the MIT license.
 *
 * If a copy of the license was not distributed with this file, it can
 * be obtained from https://opensource.org/licenses/mit.
 */
 
#ifndef POSIX_DIRENT_H_
#define POSIX_DIRENT_H_
 
// ----------------------------------------------------------------------------
 
#include <unistd.h>
 
#if defined(_POSIX_VERSION)
 
#pragma GCC diagnostic push
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wgnu-include-next"
#endif
#include_next <dirent.h>
#pragma GCC diagnostic pop
 
#else
 
#include <sys/types.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
  // --------------------------------------------------------------------------
 
#if !defined(OS_INTEGER_DIRENT_NAME_MAX)
#define OS_INTEGER_DIRENT_NAME_MAX (256)
#endif
 
  // --------------------------------------------------------------------------
 
  // http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/dirent.h.html
  struct dirent
  {
    ino_t d_ino; /* File serial number. */
    char d_name[OS_INTEGER_DIRENT_NAME_MAX]; /* Filename string of entry. */
  };
 
  // The content of this structure is not relevant, it is here just to keep
  // POSIX compatibility, in real life the directory class is used
  // and casted to DIR.
  typedef struct
  {
    ;
  } DIR;
 
  // --------------------------------------------------------------------------
 
  DIR*
  opendir (const char* dirname);
 
  struct dirent*
  readdir (DIR* dirp);
 
#if 0
  int
  readdir_r (DIR* dirp, struct dirent* entry, struct dirent** result);
#endif
 
  void
  rewinddir (DIR* dirp);
 
  int
  closedir (DIR* dirp);
 
  // --------------------------------------------------------------------------
 
#ifdef __cplusplus
}
#endif
 
#endif /* defined(_POSIX_VERSION) */
 
#endif /* POSIX_DIRENT_H_ */