---

Directory.cpp

Go to the documentation of this file.

#include <errno.h>
#include <sys/stat.h>
#include "OSDependent/Directory.h"

Directory::Directory(const char *name) :
_handle(NULL)
{
  _name = name;
}

Directory::~Directory()
{
  close();
}

int
Directory::open()
{
  _handle = ::opendir(_name.c_str());
  if (_handle == NULL)
    return -1;
  return 0;
}

int
Directory::close()
{
  if (_handle == NULL)
    return 0;
  if (::closedir(_handle) < 0)
    return -1;
  return 0;
}

int
Directory::rewind()
{
  if (_handle == NULL)
    return -1;
  ::rewinddir(_handle);
  return 0;
}

DirectoryEntry *
Directory::read()
{
  static DirectoryEntry entry;
  struct dirent *dent;
  errno = 0;
  if ((dent = ::readdir(_handle)) == NULL) {
    if (errno == 0) {
      return NULL;        // end of entries
    } else {
      entry.name = NULL;  // error
      return &entry;
    }
  }
        entry.name  = dent->d_name;
        entry.size  = dent->d_reclen;
  // TODO: fix
        entry.atime = 0;
        entry.ctime = 0;
        entry.mtime = 0;
        return &entry;
}

int
Directory::seek(int pos)
{
        if (_handle == NULL)
    return -1;
  rewind();
  for (int i = 0; i < pos; i++) {
    if (::readdir(_handle) == NULL)
      return -1;
  }
        return 0;
}

const char *
Directory::name() const 
{
  return _name.c_str();
}

---