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Diffstat (limited to 'winsup/cygwin/syscalls.cc')
-rw-r--r--winsup/cygwin/syscalls.cc168
1 files changed, 8 insertions, 160 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index aa5afc35a..d41cb2b10 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -952,36 +952,6 @@ fchmod (int fd, mode_t mode)
return chmod (path, mode);
}
-/* Cygwin internal */
-static int
-num_entries (const char *win32_name)
-{
- WIN32_FIND_DATA buf;
- HANDLE handle;
- char buf1[MAX_PATH];
- int count = 0;
-
- strcpy (buf1, win32_name);
- int len = strlen (buf1);
- if (len == 0 || isdirsep (buf1[len - 1]))
- strcat (buf1, "*");
- else
- strcat (buf1, "/*"); /* */
-
- handle = FindFirstFileA (buf1, &buf);
-
- if (handle == INVALID_HANDLE_VALUE)
- return 0;
- count ++;
- while (FindNextFileA (handle, &buf))
- {
- if ((buf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
- count ++;
- }
- FindClose (handle);
- return count;
-}
-
extern "C" int
_fstat (int fd, struct stat *buf)
{
@@ -997,7 +967,7 @@ _fstat (int fd, struct stat *buf)
else
{
memset (buf, 0, sizeof (struct stat));
- r = cygheap->fdtab[fd]->fstat (buf);
+ r = cygheap->fdtab[fd]->fstat (buf, NULL);
syscall_printf ("%d = fstat (%d, %x)", r, fd, buf);
}
@@ -1033,32 +1003,6 @@ sync ()
return 0;
}
-int __stdcall
-stat_dev (DWORD devn, int unit, unsigned long ino, struct stat *buf)
-{
- sigframe thisframe (mainthread);
- switch (devn)
- {
- case FH_PIPEW:
- buf->st_mode = STD_WBITS | S_IWGRP | S_IWOTH;
- break;
- case FH_PIPER:
- buf->st_mode = STD_RBITS;
- break;
- default:
- buf->st_mode = STD_RBITS | STD_WBITS | S_IWGRP | S_IWOTH;
- break;
- }
-
- buf->st_mode |= devn == FH_FLOPPY ? S_IFBLK : S_IFCHR;
- buf->st_blksize = S_BLKSIZE;
- buf->st_nlink = 1;
- buf->st_dev = buf->st_rdev = FHDEVN (devn) << 8 | (unit & 0xff);
- buf->st_ino = ino;
- buf->st_atime = buf->st_mtime = buf->st_ctime = time (NULL);
- return 0;
-}
-
suffix_info stat_suffixes[] =
{
suffix_info ("", 1),
@@ -1071,18 +1015,13 @@ int __stdcall
stat_worker (const char *name, struct stat *buf, int nofollow, path_conv *pc)
{
int res = -1;
- int oret;
- uid_t uid;
- gid_t gid;
path_conv real_path;
fhandler_base *fh = NULL;
if (!pc)
pc = &real_path;
- MALLOC_CHECK;
- int open_flags = O_RDONLY | O_BINARY | O_DIROPEN
- | (nofollow ? O_NOSYMLINK : 0);
+ MALLOC_CHECK;
if (check_null_invalid_struct_errno (buf))
goto done;
@@ -1093,110 +1032,19 @@ stat_worker (const char *name, struct stat *buf, int nofollow, path_conv *pc)
| PC_FULL, stat_suffixes);
if (pc->error)
{
+ debug_printf ("got %d error from build_fhandler_from_name", pc->error);
set_errno (pc->error);
- goto done;
}
-
- debug_printf ("(%s, %p, %d, %p)", name, buf, nofollow, pc);
-
- memset (buf, 0, sizeof (struct stat));
-
- if (pc->is_device ())
- return stat_dev (pc->get_devn (), pc->get_unitn (),
- hash_path_name (0, pc->get_win32 ()), buf);
-
- debug_printf ("%d = file_attributes for '%s'", (DWORD) real_path,
- (char *) real_path);
-
- if ((oret = fh->open (pc, open_flags, 0)))
- /* ok */;
else
{
- int ntsec_atts = 0;
- /* If we couldn't open the file, try a "query open" with no permissions.
- This will allow us to determine *some* things about the file, at least. */
- fh->set_query_open (TRUE);
- if ((oret = fh->open (pc, open_flags, 0)))
- /* ok */;
- else if (allow_ntsec && pc->has_acls () && get_errno () == EACCES
- && !get_file_attribute (TRUE, real_path, &ntsec_atts, &uid, &gid)
- && !ntsec_atts && uid == myself->uid && gid == myself->gid)
- {
- /* Check a special case here. If ntsec is ON it happens
- that a process creates a file using mode 000 to disallow
- other processes access. In contrast to UNIX, this results
- in a failing open call in the same process. Check that
- case. */
- set_file_attribute (TRUE, real_path, 0400);
- oret = fh->open (pc, open_flags, 0);
- set_file_attribute (TRUE, real_path, ntsec_atts);
- }
- }
- if (oret)
- {
- res = fh->fstat (buf);
- /* The number of links to a directory includes the
- number of subdirectories in the directory, since all
- those subdirectories point to it.
- This is too slow on remote drives, so we do without it and
- set the number of links to 2. */
- /* Unfortunately the count of 2 confuses `find (1)' command. So
- let's try it with `1' as link count. */
- if (pc->isdir ())
- buf->st_nlink = (pc->isremote ()
- ? 1 : num_entries (pc->get_win32 ()));
- fh->close ();
- }
- else if (pc->exists ())
- {
- /* Unfortunately, the above open may fail if the file exists, though.
- So we have to care for this case here, too. */
- WIN32_FIND_DATA wfd;
- HANDLE handle;
- buf->st_nlink = 1;
- if (pc->isdir () && pc->isremote ())
- buf->st_nlink = num_entries (pc->get_win32 ());
- buf->st_dev = FHDEVN (FH_DISK) << 8;
- buf->st_ino = hash_path_name (0, pc->get_win32 ());
- if (pc->isdir ())
- buf->st_mode = S_IFDIR;
- else if (pc->issymlink ())
- buf->st_mode = S_IFLNK;
- else if (pc->issocket ())
- buf->st_mode = S_IFSOCK;
- else
- buf->st_mode = S_IFREG;
- if (!pc->has_acls ()
- || get_file_attribute (TRUE, pc->get_win32 (),
- &buf->st_mode,
- &buf->st_uid, &buf->st_gid))
- {
- buf->st_mode |= STD_RBITS | STD_XBITS;
- if (!(pc->has_attribute (FILE_ATTRIBUTE_READONLY)))
- buf->st_mode |= STD_WBITS;
- if (pc->issymlink ())
- buf->st_mode |= S_IRWXU | S_IRWXG | S_IRWXO;
- get_file_attribute (FALSE, pc->get_win32 (),
- NULL, &buf->st_uid, &buf->st_gid);
- }
- if ((handle = FindFirstFile (pc->get_win32 (), &wfd))
- != INVALID_HANDLE_VALUE)
- {
- buf->st_atime = to_time_t (&wfd.ftLastAccessTime);
- buf->st_mtime = to_time_t (&wfd.ftLastWriteTime);
- buf->st_ctime = to_time_t (&wfd.ftCreationTime);
- buf->st_size = wfd.nFileSizeLow;
- buf->st_blksize = S_BLKSIZE;
- buf->st_blocks = ((unsigned long) buf->st_size +
- S_BLKSIZE-1) / S_BLKSIZE;
- FindClose (handle);
- }
- res = 0;
+ debug_printf ("(%s, %p, %d, %p), file_attributes %d", name, buf, nofollow,
+ pc, (DWORD) real_path);
+ memset (buf, 0, sizeof (struct stat));
+ res = fh->fstat (buf, pc);
+ delete fh;
}
done:
- if (fh)
- delete fh;
MALLOC_CHECK;
syscall_printf ("%d = (%s, %p)", res, name, buf);
return res;
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 14:57:34 +0000