diff options
Diffstat (limited to 'ace/OS_Dirent.cpp')
| -rw-r--r-- | ace/OS_Dirent.cpp | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/ace/OS_Dirent.cpp b/ace/OS_Dirent.cpp deleted file mode 100644 index 7f6954a44fc..00000000000 --- a/ace/OS_Dirent.cpp +++ /dev/null @@ -1,226 +0,0 @@ -// $Id$ - -#include "ace/OS_Dirent.h" -#include "ace/OS_String.h" -#include "ace/OS_Memory.h" -#include "ace/Log_Msg.h" - -ACE_RCSID(ace, OS_Dirent, "$Id$") - -#if !defined (ACE_HAS_INLINED_OSCALLS) -# include "ace/OS_Dirent.inl" -#endif /* ACE_HAS_INLINED_OS_CALLS */ - -ACE_DIR * -ACE_OS_Dirent::opendir_emulation (const ACE_TCHAR *filename) -{ -#if defined (ACE_WIN32) - ACE_DIR *dir; - ACE_TCHAR extra[3] = {0,0,0}; - -/* - Note: the semantics of the win32 function FindFirstFile take the - basename(filename) as a pattern to be matched within the dirname(filename). - This is contrary to the behavior of the posix function readdir which treats - basename(filename) as a directory to be opened and read. - - For this reason, we append a slash-star or backslash-star to the supplied - filename so the result is that FindFirstFile will do what we need. - - According to the documentation for FindFirstFile, either a '/' or a '\' may - be used as a directory name separator. - - Of course, it is necessary to ensure that this is only done if the trailing - filespec is not already there. - - Phil Mesnier -*/ - - size_t lastchar = ACE_OS_String::strlen (filename); - if (lastchar > 0) - { - if (filename[lastchar-1] != '*') - { - if (filename[lastchar-1] != '/' && filename[lastchar-1] != '\\') - ACE_OS_String::strcpy (extra, ACE_LIB_TEXT ("/*")); - else - ACE_OS_String::strcpy (extra, ACE_LIB_TEXT ("*")); - } - } - - ACE_NEW_RETURN (dir, ACE_DIR, 0); - ACE_NEW_RETURN (dir->directory_name_, - ACE_TCHAR[lastchar + ACE_OS_String::strlen (extra) + 1], - 0); - ACE_OS_String::strcpy (dir->directory_name_, filename); - if (extra[0]) - ACE_OS_String::strcat (dir->directory_name_, extra); - 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 (ACE_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 */ -} - -dirent * -ACE_OS_Dirent::readdir_emulation (ACE_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) - { - // Skip "." and ".." - int retval = 1; - while (*d->fdata_.cFileName == '.' - && retval - && d->fdata_.dwFileAttributes == FILE_ATTRIBUTE_DIRECTORY) - retval = ACE_TEXT_FindNextFile (d->current_handle_, &d->fdata_); - if (retval == 0) - { - ::FindClose (d->current_handle_); - d->current_handle_ = INVALID_HANDLE_VALUE; - } - } - - d->started_reading_ = 1; - } - else - { - int retval = ACE_TEXT_FindNextFile (d->current_handle_, - &(d->fdata_)); - if (retval == 0) - { - // Make sure to close the handle explicitly to avoid a leak! - ::FindClose (d->current_handle_); - d->current_handle_ = INVALID_HANDLE_VALUE; - } - } - - if (d->current_handle_ != INVALID_HANDLE_VALUE) - { - d->dirent_ = (dirent *) ACE_OS_Memory::malloc (sizeof (dirent) + - (ACE_OS_String::strlen (d->fdata_.cFileName) - * sizeof (ACE_TCHAR))); - ACE_OS_String::strcpy (d->dirent_->d_name, d->fdata_.cFileName); - d->dirent_->d_reclen = - sizeof (dirent) + - (ACE_OS_String::strlen (d->dirent_->d_name) * sizeof (ACE_TCHAR)); - return d->dirent_; - } - else - return 0; -#else /* ACE_WIN32 */ - ACE_UNUSED_ARG (d); - ACE_NOTSUP_RETURN (0); -#endif /* ACE_WIN32 */ -} - -extern "C" -{ - typedef int (*ACE_SCANDIR_COMPARATOR) (const void *, const void *); -} - -int -ACE_OS_Dirent::scandir_emulation (const ACE_TCHAR *dirname, - dirent **namelist[], - int (*selector) (const dirent *entry), - int (*comparator) (const dirent **f1, - const dirent **f2)) -{ - ACE_DIR *dirp = ACE_OS_Dirent::opendir (dirname); - - if (dirp == 0) - return -1; - // A sanity check here. "namelist" had better not be zero. - else if (namelist == 0) - return -1; - - dirent **vector = 0; - dirent *dp; - int arena_size = 0; - - int nfiles = 0; - int fail = 0; - - // @@ This code shoulduse readdir_r() rather than readdir(). - for (dp = ACE_OS_Dirent::readdir (dirp); - dp != 0; - dp = ACE_OS_Dirent::readdir (dirp)) - { - if (selector && (*selector)(dp) == 0) - continue; - - // If we get here, we have a dirent that the user likes. - if (nfiles == arena_size) - { - dirent **newv; - if (arena_size == 0) - arena_size = 10; - else - arena_size *= 2; - - newv = (dirent **) ACE_OS_Memory::realloc (vector, - arena_size * sizeof (dirent *)); - if (newv == 0) - { - fail = 1; - break; - } - vector = newv; - } - - int dsize = - sizeof (dirent) + - ((ACE_OS_String::strlen (dp->d_name) + 1) * sizeof (ACE_TCHAR)); - dirent *newdp = (dirent *) ACE_OS_Memory::malloc (dsize); - - if (newdp == 0) - { - fail = 1; - break; - } - - vector[nfiles++] = (dirent *) ACE_OS_String::memcpy (newdp, dp, dsize); - } - - if (fail) - { - ACE_OS_Dirent::closedir (dirp); - while (nfiles-- > 0) - ACE_OS_Memory::free (vector[nfiles]); - ACE_OS_Memory::free (vector); - return -1; - } - - ACE_OS_Dirent::closedir (dirp); - - *namelist = vector; - - if (comparator) - ACE_OS::qsort (*namelist, - nfiles, - sizeof (dirent *), - (ACE_SCANDIR_COMPARATOR) comparator); - - return nfiles; -} |