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Diffstat (limited to 'winsup/cygwin/dir.cc')
-rw-r--r--winsup/cygwin/dir.cc347
1 files changed, 0 insertions, 347 deletions
diff --git a/winsup/cygwin/dir.cc b/winsup/cygwin/dir.cc
deleted file mode 100644
index 45ba57ff6..000000000
--- a/winsup/cygwin/dir.cc
+++ /dev/null
@@ -1,347 +0,0 @@
-/* dir.cc: Posix directory-related routines
-
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#include "winsup.h"
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <errno.h>
-
-#define _COMPILING_NEWLIB
-#include <dirent.h>
-
-#include "pinfo.h"
-#include "cygerrno.h"
-#include "security.h"
-#include "fhandler.h"
-#include "path.h"
-#include "dtable.h"
-#include "cygheap.h"
-
-/* Cygwin internal */
-/* Return whether the directory of a file is writable. Return 1 if it
- is. Otherwise, return 0, and set errno appropriately. */
-int __stdcall
-writable_directory (const char *file)
-{
-#if 0
- char dir[strlen (file) + 1];
-
- strcpy (dir, file);
-
- const char *usedir;
- char *slash = strrchr (dir, '\\');
- if (slash == NULL)
- usedir = ".";
- else if (slash == dir)
- {
- usedir = "\\";
- }
- else
- {
- *slash = '\0';
- usedir = dir;
- }
-
- int acc = access (usedir, W_OK);
-
- return acc == 0;
-#else
- return 1;
-#endif
-}
-
-extern "C" int
-dirfd (DIR *dir)
-{
- if (check_null_invalid_struct_errno (dir))
- return -1;
- if (dir->__d_cookie != __DIRENT_COOKIE)
- {
- set_errno (EBADF);
- syscall_printf ("-1 = dirfd (%p)", dir);
- return -1;
- }
- return dir->__d_dirent->d_fd;
-}
-
-/* opendir: POSIX 5.1.2.1 */
-extern "C" DIR *
-opendir (const char *name)
-{
- fhandler_base *fh;
- path_conv pc;
- DIR *res;
-
- fh = cygheap->fdtab.build_fhandler_from_name (-1, name, NULL, pc,
- PC_SYM_FOLLOW | PC_FULL, NULL);
- if (!fh)
- res = NULL;
- else if (pc.exists ())
- res = fh->opendir (pc);
- else
- {
- set_errno (ENOENT);
- res = NULL;
- }
-
- if (!res && fh)
- delete fh;
- return res;
-}
-
-/* readdir: POSIX 5.1.2.1 */
-extern "C" struct dirent *
-readdir (DIR *dir)
-{
- if (check_null_invalid_struct_errno (dir))
- return NULL;
-
- if (dir->__d_cookie != __DIRENT_COOKIE)
- {
- set_errno (EBADF);
- syscall_printf ("%p = readdir (%p)", NULL, dir);
- return NULL;
- }
-
- dirent *res = ((fhandler_base *) dir->__d_u.__d_data.__fh)->readdir (dir);
-
- if (res)
- {
- /* Compute d_ino by combining filename hash with the directory hash
- (which was stored in dir->__d_dirhash when opendir was called). */
- if (res->d_name[0] == '.')
- {
- if (res->d_name[1] == '\0')
- dir->__d_dirent->d_ino = dir->__d_dirhash;
- else if (res->d_name[1] != '.' || res->d_name[2] != '\0')
- goto hashit;
- else
- {
- char *p, up[strlen (dir->__d_dirname) + 1];
- strcpy (up, dir->__d_dirname);
- if (!(p = strrchr (up, '\\')))
- goto hashit;
- *p = '\0';
- if (!(p = strrchr (up, '\\')))
- dir->__d_dirent->d_ino = hash_path_name (0, ".");
- else
- {
- *p = '\0';
- dir->__d_dirent->d_ino = hash_path_name (0, up);
- }
- }
- }
- else
- {
- hashit:
- ino_t dino = hash_path_name (dir->__d_dirhash, "\\");
- dir->__d_dirent->d_ino = hash_path_name (dino, res->d_name);
- }
- }
- return res;
-}
-
-extern "C" __off64_t
-telldir64 (DIR *dir)
-{
- if (check_null_invalid_struct_errno (dir))
- return -1;
-
- if (dir->__d_cookie != __DIRENT_COOKIE)
- return 0;
- return ((fhandler_base *) dir->__d_u.__d_data.__fh)->telldir (dir);
-}
-
-/* telldir */
-extern "C" __off32_t
-telldir (DIR *dir)
-{
- return telldir64 (dir);
-}
-
-extern "C" void
-seekdir64 (DIR *dir, __off64_t loc)
-{
- if (check_null_invalid_struct_errno (dir))
- return;
-
- if (dir->__d_cookie != __DIRENT_COOKIE)
- return;
- return ((fhandler_base *) dir->__d_u.__d_data.__fh)->seekdir (dir, loc);
-}
-
-/* seekdir */
-extern "C" void
-seekdir (DIR *dir, __off32_t loc)
-{
- seekdir64 (dir, (__off64_t)loc);
-}
-
-/* rewinddir: POSIX 5.1.2.1 */
-extern "C" void
-rewinddir (DIR *dir)
-{
- if (check_null_invalid_struct_errno (dir))
- return;
-
- if (dir->__d_cookie != __DIRENT_COOKIE)
- return;
- return ((fhandler_base *) dir->__d_u.__d_data.__fh)->rewinddir (dir);
-}
-
-/* closedir: POSIX 5.1.2.1 */
-extern "C" int
-closedir (DIR *dir)
-{
- if (check_null_invalid_struct_errno (dir))
- return -1;
-
- if (dir->__d_cookie != __DIRENT_COOKIE)
- {
- set_errno (EBADF);
- syscall_printf ("-1 = closedir (%p)", dir);
- return -1;
- }
-
- /* Reset the marker in case the caller tries to use `dir' again. */
- dir->__d_cookie = 0;
-
- int res = ((fhandler_base *) dir->__d_u.__d_data.__fh)->closedir (dir);
-
- cygheap->fdtab.release (dir->__d_dirent->d_fd);
-
- free (dir->__d_dirname);
- free (dir->__d_dirent);
- free (dir);
- syscall_printf ("%d = closedir (%p)", res);
- return res;
-}
-
-/* mkdir: POSIX 5.4.1.1 */
-extern "C" int
-mkdir (const char *dir, mode_t mode)
-{
- int res = -1;
- SECURITY_ATTRIBUTES sa = sec_none_nih;
-
- path_conv real_dir (dir, PC_SYM_NOFOLLOW);
-
- if (real_dir.error)
- {
- set_errno (real_dir.case_clash ? ECASECLASH : real_dir.error);
- goto done;
- }
-
- nofinalslash(real_dir.get_win32 (), real_dir.get_win32 ());
- if (! writable_directory (real_dir.get_win32 ()))
- goto done;
-
- if (allow_ntsec && real_dir.has_acls ())
- set_security_attribute (S_IFDIR | ((mode & 07777) & ~cygheap->umask),
- &sa, alloca (4096), 4096);
-
- if (CreateDirectoryA (real_dir.get_win32 (), &sa))
- {
- if (!allow_ntsec && allow_ntea)
- set_file_attribute (real_dir.has_acls (), real_dir.get_win32 (),
- S_IFDIR | ((mode & 07777) & ~cygheap->umask));
-#ifdef HIDDEN_DOT_FILES
- char *c = strrchr (real_dir.get_win32 (), '\\');
- if ((c && c[1] == '.') || *real_dir.get_win32 () == '.')
- SetFileAttributes (real_dir.get_win32 (), FILE_ATTRIBUTE_HIDDEN);
-#endif
- res = 0;
- }
- else
- __seterrno ();
-
-done:
- syscall_printf ("%d = mkdir (%s, %d)", res, dir, mode);
- return res;
-}
-
-/* rmdir: POSIX 5.5.2.1 */
-extern "C" int
-rmdir (const char *dir)
-{
- int res = -1;
- DWORD devn;
-
- path_conv real_dir (dir, PC_SYM_NOFOLLOW);
-
- if (real_dir.error)
- set_errno (real_dir.error);
- else if ((devn = real_dir.get_devn ()) == FH_PROC || devn == FH_REGISTRY
- || devn == FH_PROCESS)
- set_errno (EROFS);
- else if (!real_dir.exists ())
- set_errno (ENOENT);
- else if (!real_dir.isdir ())
- set_errno (ENOTDIR);
- else
- {
- /* Even own directories can't be removed if R/O attribute is set. */
- if (real_dir.has_attribute (FILE_ATTRIBUTE_READONLY))
- SetFileAttributes (real_dir,
- (DWORD) real_dir & ~FILE_ATTRIBUTE_READONLY);
-
- if (RemoveDirectory (real_dir))
- {
- /* RemoveDirectory on a samba drive doesn't return an error if the
- directory can't be removed because it's not empty. Checking for
- existence afterwards keeps us informed about success. */
- if (GetFileAttributes (real_dir) != INVALID_FILE_ATTRIBUTES)
- set_errno (ENOTEMPTY);
- else
- res = 0;
- }
- else
- {
- /* This kludge detects if we are attempting to remove the current working
- directory. If so, we will move elsewhere to potentially allow the
- rmdir to succeed. This means that cygwin's concept of the current working
- directory != Windows concept but, hey, whaddaregonnado?
- Note that this will not cause something like the following to work:
- $ cd foo
- $ rmdir .
- since the shell will have foo "open" in the above case and so Windows will
- not allow the deletion.
- FIXME: A potential workaround for this is for cygwin apps to *never* call
- SetCurrentDirectory. */
- if (strcasematch (real_dir, cygheap->cwd.win32)
- && !strcasematch ("c:\\", cygheap->cwd.win32))
- {
- DWORD err = GetLastError ();
- if (!SetCurrentDirectory ("c:\\"))
- SetLastError (err);
- else if ((res = rmdir (dir)))
- SetCurrentDirectory (cygheap->cwd.win32);
- }
- if (res)
- {
- if (GetLastError () != ERROR_ACCESS_DENIED
- || !wincap.access_denied_on_delete ())
- __seterrno ();
- else
- set_errno (ENOTEMPTY); /* On 9X ERROR_ACCESS_DENIED is
- returned if you try to remove a
- non-empty directory. */
-
- /* If directory still exists, restore R/O attribute. */
- if (real_dir.has_attribute (FILE_ATTRIBUTE_READONLY))
- SetFileAttributes (real_dir, real_dir);
- }
- }
- }
-
- syscall_printf ("%d = rmdir (%s)", res, dir);
- return res;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-16 10:35:13 +0300