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// $Id$
#include "ace/OS_Dirent.h"
#include "ace/OS_String.h"
ACE_RCSID(ace, OS_Dirent, "$Id$")
#if !defined (ACE_HAS_INLINED_OSCALLS)
# include "ace/OS_Dirent.inl"
#endif /* ACE_HAS_INLINED_OS_CALLS */
DIR *
ACE_OS_Dirent::opendir_emulation (const ACE_TCHAR *filename)
{
#if defined (ACE_WIN32)
DIR *dir;
ACE_NEW_RETURN (dir, DIR, 0);
ACE_NEW_RETURN (dir->directory_name_,
ACE_TCHAR[ACE_OS_String::strlen (filename)+1],
0);
ACE_OS_String::strcpy (dir->directory_name_, filename);
dir->current_handle_ = INVALID_HANDLE_VALUE;
dir->started_reading_ = 0;
return dir;
#else /* ACE_WIN32 */
ACE_UNUSED_ARG (filename);
ACE_NOTSUP_RETURN (0);
#endif /* ACE_WIN32 */
}
void
ACE_OS_Dirent::closedir_emulation (DIR *d)
{
#if defined (ACE_WIN32)
if (d->current_handle_ != INVALID_HANDLE_VALUE)
::FindClose (d->current_handle_);
d->current_handle_ = INVALID_HANDLE_VALUE;
d->started_reading_ = 0;
#else /* ACE_WIN32 */
ACE_UNUSED_ARG (d);
#endif /* ACE_WIN32 */
}
struct dirent *
ACE_OS_Dirent::readdir_emulation (DIR *d)
{
#if defined (ACE_WIN32)
if (!d->started_reading_)
{
d->current_handle_ = ACE_TEXT_FindFirstFile (d->directory_name_,
&(d->fdata_));
if (d->current_handle_ != INVALID_HANDLE_VALUE
&& d->fdata_.dwFileAttributes != FILE_ATTRIBUTE_DIRECTORY)
{
::FindClose (d->current_handle_);
d->current_handle_ = INVALID_HANDLE_VALUE;
}
else // Skip "." and ".."
{
int retval = 1;
while (*(d->fdata_.cFileName) == '.'
&& retval
&& d->current_handle_ != INVALID_HANDLE_VALUE)
{
retval = ACE_TEXT_FindNextFile (d->current_handle_,
&(d->fdata_));
}
if (retval == 0)
d->current_handle_ = INVALID_HANDLE_VALUE;
}
d->started_reading_ = 1;
}
else
{
int retval = ACE_TEXT_FindNextFile (d->current_handle_,
&(d->fdata_));
if (retval == 0)
d->current_handle_ = INVALID_HANDLE_VALUE;
}
if (d->current_handle_ != INVALID_HANDLE_VALUE)
{
d->dirent_.d_name = d->fdata_.cFileName;
return &(d->dirent_);
}
else
return 0;
#else /* ACE_WIN32 */
ACE_UNUSED_ARG (d);
ACE_NOTSUP_RETURN (0);
#endif /* ACE_WIN32 */
}
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