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mdbx-windows: refine/fix mdbx_check_fs_local() for CDROM case.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2022-06-04 02:08:24 +03:00
parent 73fbf5c8fa
commit 77f56541d0
1 changed files with 17 additions and 12 deletions
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29
src/osal.c
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@ -1186,21 +1186,25 @@ static int mdbx_check_fs_local(mdbx_filehandle_t handle, int flags) {
}
}
if (!mdbx_GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED |
VOLUME_NAME_NT)) {
rc = (int)GetLastError();
if (mdbx_GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED | VOLUME_NAME_NT)) {
if (_wcsnicmp(PathBuffer, L"\\Device\\Mup\\", 12) == 0) {
if (!(flags & MDBX_EXCLUSIVE)) {
rc = ERROR_REMOTE_STORAGE_MEDIA_ERROR;
goto bailout;
}
}
}
if (F_ISSET(flags, MDBX_RDONLY | MDBX_EXCLUSIVE) &&
(FileSystemFlags & FILE_READ_ONLY_VOLUME)) {
/* without-LCK (exclusive readonly) mode for DB on a read-only volume */
goto bailout;
}
if (_wcsnicmp(PathBuffer, L"\\Device\\Mup\\", 12) == 0) {
if (!(flags & MDBX_EXCLUSIVE)) {
rc = ERROR_REMOTE_STORAGE_MEDIA_ERROR;
goto bailout;
}
} else if (mdbx_GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED |
VOLUME_NAME_DOS)) {
if (mdbx_GetFinalPathNameByHandleW(handle, PathBuffer, INT16_MAX,
FILE_NAME_NORMALIZED |
VOLUME_NAME_DOS)) {
UINT DriveType = GetDriveTypeW(PathBuffer);
if (DriveType == DRIVE_NO_ROOT_DIR &&
_wcsnicmp(PathBuffer, L"\\\\?\\", 4) == 0 &&
@ -1226,6 +1230,7 @@ static int mdbx_check_fs_local(mdbx_filehandle_t handle, int flags) {
break;
}
}
bailout:
mdbx_free(PathBuffer);
return rc;