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// -*- C++ -*-
//
// $Id$
#include "ace/OS_Memory.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE_OS
{
ACE_INLINE void
closedir (ACE_DIR *d)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_PSOS)
u_long result = ::close_dir (&(d->xdir));
delete d;
if (result != 0)
errno = result;
# else /* ! ACE_PSOS */
# if defined (ACE_WIN32) && defined (ACE_LACKS_CLOSEDIR)
ACE_OS::closedir_emulation (d);
delete [] d->directory_name_;
delete d;
# elif defined (ACE_HAS_WCLOSEDIR) && defined (ACE_USES_WCHAR)
::wclosedir (d);
# else /* ACE_WIN32 && ACE_LACKS_CLOSEDIR */
::closedir (d);
# endif /* ACE_WIN32 && ACE_LACKS_CLOSEDIR */
# endif /* ACE_PSOS */
#else /* ACE_HAS_DIRENT */
ACE_UNUSED_ARG (d);
#endif /* ACE_HAS_DIRENT */
}
ACE_INLINE ACE_DIR *
opendir (const ACE_TCHAR *filename)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_PSOS)
// The pointer to the <ACE_DIR> buffer *must* be passed to
// <ACE_OS::closedir> to free it and avoid a memory leak.
ACE_DIR *dir = 0;
u_long result;
ACE_NEW_RETURN (dir, ACE_DIR, 0);
result = ::open_dir (const_cast<ACE_TCHAR *> (filename), &dir->xdir);
if (result == 0)
return dir;
else
{
errno = result;
return 0;
}
# else /* ! ACE_PSOS */
# if defined (ACE_WIN32) && defined (ACE_LACKS_OPENDIR)
return ::ACE_OS::opendir_emulation (filename);
# elif defined (ACE_HAS_WOPENDIR) && defined (ACE_USES_WCHAR)
return ::wopendir (filename);
# elif defined (ACE_HAS_NONCONST_OPENDIR)
return ::opendir (const_cast<char *> (filename));
# else /* ! ACE_WIN32 && ACE_LACKS_OPENDIR */
return ::opendir (ACE_TEXT_TO_CHAR_IN (filename));
# endif /* ACE_WIN32 && ACE_LACKS_OPENDIR */
# endif /* ACE_PSOS */
#else
ACE_UNUSED_ARG (filename);
ACE_NOTSUP_RETURN (0);
#endif /* ACE_HAS_DIRENT */
}
ACE_INLINE
struct ACE_DIRENT *
readdir (ACE_DIR *d)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_PSOS)
u_long result = ::read_dir (&d->xdir, &d->dirent);
if (0 == result)
return &d->dirent;
else
{
errno = result;
return 0;
}
# else /* ! ACE_PSOS */
# if defined (ACE_WIN32) && defined (ACE_LACKS_READDIR)
return ACE_OS::readdir_emulation (d);
# elif defined (ACE_HAS_WREADDIR) && defined (ACE_USES_WCHAR)
return ::wreaddir (d);
# else /* ACE_WIN32 && ACE_LACKS_READDIR */
return ::readdir (d);
# endif /* ACE_WIN32 && ACE_LACKS_READDIR */
# endif /* ACE_PSOS */
#else
ACE_UNUSED_ARG (d);
ACE_NOTSUP_RETURN (0);
#endif /* ACE_HAS_DIRENT */
}
ACE_INLINE int
readdir_r (ACE_DIR *dirp,
struct ACE_DIRENT *entry,
struct ACE_DIRENT **result)
{
#if !defined (ACE_HAS_REENTRANT_FUNCTIONS)
ACE_UNUSED_ARG (entry);
// <result> has better not be 0!
*result = ACE_OS::readdir (dirp);
if (*result)
return 0; // Keep iterating
else
return 1; // Oops, some type of error!
#elif defined (ACE_HAS_DIRENT) && !defined (ACE_LACKS_READDIR_R)
# if (defined (sun) && (defined (_POSIX_PTHREAD_SEMANTICS) || \
(_FILE_OFFSET_BITS == 64) || \
(_POSIX_C_SOURCE - 0 >= 199506L))) || \
(!defined (sun) && (defined (ACE_HAS_PTHREADS_STD) || \
defined (ACE_HAS_PTHREADS_DRAFT7) || \
defined (__USE_POSIX) || \
defined (__FreeBSD__) || \
defined (HPUX_11)))
# 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) */
# 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);
#elif defined(__GNUC__) && defined (_AIX)
return ::readdir_r (dirp, entry, result);
# 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 void
rewinddir (ACE_DIR *d)
{
#if defined (ACE_HAS_DIRENT)
# if defined (ACE_LACKS_SEEKDIR)
# if defined (ACE_LACKS_REWINDDIR)
ACE_UNUSED_ARG (d);
# elif defined (ACE_HAS_WREWINDDIR) && defined (ACE_USES_WCHAR)
::wrewinddir (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 */
}
ACE_INLINE int
scandir (const ACE_TCHAR *dirname,
struct ACE_DIRENT **namelist[],
int (*selector)(const struct ACE_DIRENT *),
int (*comparator) (const struct ACE_DIRENT **f1,
const struct ACE_DIRENT **f2))
{
#if defined (ACE_HAS_SCANDIR)
return ::scandir (ACE_TEXT_TO_CHAR_IN (dirname),
namelist,
selector,
# if defined (ACE_SCANDIR_CMP_USES_VOIDPTR)
reinterpret_cast<int(*)(const void*, const void*)> (comparator));
# else
comparator);
# endif /* ACE_SCANDIR_CMP_USES_VOIDPTR */
#else /* ! defined ( ACE_HAS_SCANDIR) */
return ACE_OS::scandir_emulation (dirname, namelist, selector, comparator);
#endif /* ACE_HAS_SCANDIR */
}
ACE_INLINE void
seekdir (ACE_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 long
telldir (ACE_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_END_VERSIONED_NAMESPACE_DECL
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