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* path.cc (fsinfo): Global storage for file system information.

Browse Source 
(fs_info::update): Store file system information also in fsinfo and
	short circuit GetVolumeInformation by using alredy stored file system
	information.
This commit is contained in:
Corinna Vinschen 2004-04-09 19:33:07 +00:00
parent 7aa88267c1
commit 535309a6e3
3 changed files with 27 additions and 2 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2004-04-09 Corinna Vinschen <corinna@vinschen.de>
* path.cc (fsinfo): Global storage for file system information.
(fs_info::update): Store file system information also in fsinfo and
short circuit GetVolumeInformation by using alredy stored file system
information.
2004-04-09 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (fhandler_base::status): Declare private.

21
winsup/cygwin/path.cc
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@ -354,6 +354,9 @@ mkrelpath (char *path)
strcpy (path, ".");
}
#define MAX_FS_INFO_CNT 25
fs_info fsinfo[MAX_FS_INFO_CNT];
bool
fs_info::update (const char *win32_path)
{
@ -368,8 +371,20 @@ fs_info::update (const char *win32_path)
return false;
}
if (strcmp (tmp_buf, root_dir_storage) == 0)
return 1;
__ino64_t tmp_name_hash = hash_path_name (1, tmp_buf);
if (tmp_name_hash == name_hash)
return true;
int idx = 0;
while (idx < MAX_FS_INFO_CNT && fsinfo[idx].name_hash)
{
if (tmp_name_hash == fsinfo[idx].name_hash)
{
*this = fsinfo[idx];
return true;
}
++idx;
}
name_hash = tmp_name_hash;
strncpy (root_dir_storage, tmp_buf, CYG_MAX_PATH);
drive_type_storage = GetDriveType (root_dir_storage);
@ -395,6 +410,8 @@ fs_info::update (const char *win32_path)
*/
sym_opt_storage = (!is_remote_drive_storage && strcmp (name_storage, "NTFS") == 0) ? PC_CHECK_EA : 0;
if (idx < MAX_FS_INFO_CNT && drive_type_storage != DRIVE_REMOVABLE)
fsinfo[idx] = *this;
return true;
}

1
winsup/cygwin/path.h
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@ -75,6 +75,7 @@ struct fs_info
{
char name_storage[CYG_MAX_PATH];
char root_dir_storage[CYG_MAX_PATH];
__ino64_t name_hash;
DWORD flags_storage;
DWORD serial_storage;
DWORD sym_opt_storage; /* additional options to pass to symlink_info resolver */