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/* -*- C++ -*- */
// $Id$
#if !defined (ACE_WIN32)
// Win32 versions in .cpp file
DIR *
ACE_OS_Dirent::opendir (const ACE_TCHAR *filename)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_PSOS)
// The pointer to the DIR buffer must be passed to ACE_OS_Dirent::closedir
// in order to free it and avoid a memory leak.
DIR *dir;
u_long result;
ACE_NEW_RETURN (dir, DIR, 0);
#if defined (ACE_PSOS_DIAB_PPC)
result = ::open_dir (ACE_const_cast (char *, filename), &(dir->xdir));
#else
result = ::open_dir (ACE_const_cast (char *, filename), dir);
#endif /* defined ACE_PSOS_DIAB_PPC */
if (result == 0)
return dir;
else
{
errno = result;
return 0;
}
# else /* ! defined (ACE_PSOS) */
// VxWorks' ::opendir () is declared with a non-const argument.
return ::opendir (ACE_const_cast (char *, filename));
# endif /* ! defined (ACE_PSOS) */
#else
ACE_UNUSED_ARG (filename);
ACE_NOTSUP_RETURN (0);
#endif /* ACE_HAS_DIRENT */
}
ACE_INLINE void
ACE_OS_Dirent::closedir (DIR *d)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_PSOS)
u_long result;
#if defined (ACE_PSOS_DIAB_PPC)
result = ::close_dir (&(d->xdir));
#else
result = ::close_dir (d);
#endif /* defined ACE_PSOS_DIAB_PPC */
delete d;
if (result != 0)
errno = result;
# else /* ! defined (ACE_PSOS) */
::closedir (d);
# endif /* ! defined (ACE_PSOS) */
#else
ACE_UNUSED_ARG (d);
#endif /* ACE_HAS_DIRENT */
}
ACE_INLINE struct dirent *
ACE_OS_Dirent::readdir (DIR *d)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_PSOS)
// The returned pointer to the dirent struct must be deleted by the
// caller to avoid a memory leak.
struct dirent *dir_ent;
u_long result;
ACE_NEW_RETURN (dir_ent,
dirent,
0);
#if defined (ACE_PSOS_DIAB_PPC)
result = ::read_dir (&(d->xdir), dir_ent);
#else
result = ::read_dir (d, dir_ent);
#endif /* defined ACE_PSOS_DIAB_PPC) */
if (0 == result)
return dir_ent;
else
{
errno = result;
return 0;
}
# else /* ! defined (ACE_PSOS) */
return ::readdir (d);
# endif /* ! defined (ACE_PSOS) */
#else
ACE_UNUSED_ARG (d);
ACE_NOTSUP_RETURN (0);
#endif /* ACE_HAS_DIRENT */
}
#endif /* !ACE_WIN32 */
ACE_INLINE int
ACE_OS_Dirent::readdir_r (DIR *dirp,
struct dirent *entry,
struct dirent **result)
{
# if !defined (ACE_HAS_REENTRANT_FUNCTIONS)
ACE_UNUSED_ARG (entry);
// <result> has better not be 0!
*result = ACE_OS_Dirent::readdir (dirp);
return 0;
# elif defined (ACE_HAS_DIRENT) && !defined (ACE_LACKS_READDIR_R)
# if (defined (sun) && (defined (_POSIX_PTHREAD_SEMANTICS) || \
(_FILE_OFFSET_BITS == 64))) || \
(!defined (sun) && (defined (ACE_HAS_PTHREADS_STD) || \
defined (ACE_HAS_PTHREADS_DRAFT7) || \
defined (__USE_POSIX)))
# if defined (__GNUG__) && defined (DIGITAL_UNIX)
return readdir_r (dirp, entry, result);
# else
return ::readdir_r (dirp, entry, result);
# endif /* defined (__GNUG__) && defined (DIGITAL_UNIX) */
return ::readdir_r (dirp, entry, result);
# else /* ! POSIX.1c - this is draft 4 or draft 6 */
# if defined (HPUX_10) /* But HP 10.x doesn't follow the draft either */
*result = entry;
return ::readdir_r (dirp, entry);
# else
// <result> had better not be 0!
*result = ::readdir_r (dirp, entry);
return 0;
# endif /* HPUX_10 */
# endif /* ! POSIX.1c */
#else /* ! ACE_HAS_DIRENT || ACE_LACKS_READDIR_R */
ACE_UNUSED_ARG (dirp);
ACE_UNUSED_ARG (entry);
ACE_UNUSED_ARG (result);
ACE_NOTSUP_RETURN (0);
#endif /* !ACE_HAS_REENTRANT_FUNCTIONS */
}
ACE_INLINE long
ACE_OS_Dirent::telldir (DIR *d)
{
#if defined (ACE_HAS_DIRENT) && !defined (ACE_LACKS_TELLDIR)
return ::telldir (d);
#else /* ! ACE_HAS_DIRENT || ACE_LACKS_TELLDIR */
ACE_UNUSED_ARG (d);
ACE_NOTSUP_RETURN (-1);
#endif /* ! ACE_HAS_DIRENT || ACE_LACKS_TELLDIR */
}
ACE_INLINE void
ACE_OS_Dirent::seekdir (DIR *d, long loc)
{
#if defined (ACE_HAS_DIRENT) && !defined (ACE_LACKS_SEEKDIR)
::seekdir (d, loc);
#else /* ! ACE_HAS_DIRENT || ACE_LACKS_SEEKDIR */
ACE_UNUSED_ARG (d);
ACE_UNUSED_ARG (loc);
#endif /* ! ACE_HAS_DIRENT || ACE_LACKS_SEEKDIR */
}
ACE_INLINE void
ACE_OS_Dirent::rewinddir (DIR *d)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_LACKS_SEEKDIR)
# if defined (ACE_LACKS_REWINDDIR)
ACE_UNUSED_ARG (d);
# else /* ! defined (ACE_LACKS_REWINDDIR) */
::rewinddir (d);
# endif /* ! defined (ACE_LACKS_REWINDDIR) */
# else /* ! ACE_LACKS_SEEKDIR */
// We need to implement <rewinddir> using <seekdir> since it's often
// defined as a macro...
::seekdir (d, long (0));
# endif /* ! ACE_LACKS_SEEKDIR */
#else
ACE_UNUSED_ARG (d);
#endif /* ACE_HAS_DIRENT */
}
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