libs/newlib-cygwin
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* fhandler.cc (rootdir): Delete.

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* winsup.h (rootdir): Drop declaration.
This commit is contained in:
Corinna Vinschen 2007-08-20 15:16:27 +00:00
parent decbb5d387
commit 876da7fb74
3 changed files with 5 additions and 90 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2007-08-20 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (rootdir): Delete.
* winsup.h (rootdir): Drop declaration.
2007-08-19 Corinna Vinschen <corinna@vinschen.de>
* path.cc (fillout_mntent): Append backslash to drive-only paths before

89
winsup/cygwin/fhandler.cc
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@ -1008,95 +1008,6 @@ fhandler_base::lock (int, struct __flock64 *)
return -1;
}
extern "C" char * __stdcall
rootdir (const char *full_path, char *root_path)
{
/* Possible choices:
* d:... -> d:/
* \\server\share... -> \\server\share\
*/
int len;
char *rootp = root_path;
if (full_path[1] == ':')
{
*rootp++ = *full_path;
*rootp++ = ':';
}
else if (full_path[0] == '\\' && full_path[1] == '\\')
{
const char *cp = strchr (full_path + 2, '\\');
if (!cp)
return NULL;
while (*++cp && *cp != '\\')
;
memcpy (root_path, full_path, (len = cp - full_path));
rootp = root_path + len;
}
else
return NULL;
*rootp++ = '\\';
*rootp = '\0';
/* This determines whether reparse points are available. Volume reparse
points on remote shares are neither recognized by Windows functions
like GetVolumeInformation, nor by their native NT counterparts. */
if (!wincap.has_guid_volumes () || GetDriveType (root_path) == DRIVE_REMOTE)
return root_path;
PREPARSE_DATA_BUFFER rp = (PREPARSE_DATA_BUFFER)
alloca (MAXIMUM_REPARSE_DATA_BUFFER_SIZE);
char *test_path = (char *) alloca (CYG_MAX_PATH);
strcpy (test_path, full_path);
/* This determines the minimum length of the path we test for mount points.
If we're below this value, it's the root dir of the path itself. */
char *min_c = test_path + (rootp - root_path);
char *c = min_c;
while (*c)
++c;
while (c > min_c)
{
*c = '\0';
# define MOUNTPT_ATTR (FILE_ATTRIBUTE_DIRECTORY \
| FILE_ATTRIBUTE_REPARSE_POINT)
DWORD attr = GetFileAttributes (test_path);
if (attr != INVALID_FILE_ATTRIBUTES
&& (attr & MOUNTPT_ATTR) == MOUNTPT_ATTR)
{
HANDLE h = CreateFile (test_path, GENERIC_READ, FILE_SHARE_READ,
&sec_none_nih, OPEN_EXISTING,
FILE_FLAG_OPEN_REPARSE_POINT
| FILE_FLAG_BACKUP_SEMANTICS, NULL);
if (h != INVALID_HANDLE_VALUE)
{
DWORD size;
BOOL ret = DeviceIoControl (h, FSCTL_GET_REPARSE_POINT, NULL,
0, (LPVOID) rp,
MAXIMUM_REPARSE_DATA_BUFFER_SIZE,
&size, NULL);
CloseHandle (h);
if (ret
&& rp->ReparseTag == IO_REPARSE_TAG_MOUNT_POINT
&& !rp->SymbolicLinkReparseBuffer.PrintNameLength)
{
memcpy (root_path, test_path, len = c - test_path);
strcpy (root_path + len, "\\");
CloseHandle (h);
break;
}
}
}
while (--c > min_c && *c != '\\')
;
}
return root_path;
}
int __stdcall
fhandler_base::fstat (struct __stat64 *buf)
{

1
winsup/cygwin/winsup.h
View File

@ -261,7 +261,6 @@ __ino64_t __stdcall hash_path_name (__ino64_t hash, PUNICODE_STRING name) __attr
__ino64_t __stdcall hash_path_name (__ino64_t hash, PCWSTR name) __attribute__ ((regparm(2)));
__ino64_t __stdcall hash_path_name (__ino64_t hash, const char *name) __attribute__ ((regparm(2)));
void __stdcall nofinalslash (const char *src, char *dst) __attribute__ ((regparm(2)));
extern "C" char *__stdcall rootdir (const char *full_path, char *root_path) __attribute__ ((regparm(2)));
/* String manipulation */
extern "C" char *__stdcall strccpy (char *s1, const char **s2, char c);