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ole32: Fix storage locking for read-only exclusive mode.

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This commit is contained in:
Vincent Povirk 2015-06-11 16:37:25 -05:00 committed by Alexandre Julliard
parent 06e988a5d3
commit 3f83b788d4
2 changed files with 10 additions and 2 deletions
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8
dlls/ole32/storage32.c
View File

@ -5031,6 +5031,14 @@ static HRESULT StorageImpl_GrabLocks(StorageImpl *This, DWORD openFlags)
if (SUCCEEDED(hr) && (share_mode == STGM_SHARE_DENY_WRITE || share_mode == STGM_SHARE_EXCLUSIVE))
hr = StorageImpl_CheckLockRange(This, RANGELOCK_WRITE_FIRST, RANGELOCK_WRITE_LAST, STG_E_LOCKVIOLATION);
if (SUCCEEDED(hr) && STGM_ACCESS_MODE(openFlags) == STGM_READ && share_mode == STGM_SHARE_EXCLUSIVE)
{
hr = StorageImpl_CheckLockRange(This, 0, RANGELOCK_CHECKLOCKS-1, STG_E_LOCKVIOLATION);
if (SUCCEEDED(hr))
hr = StorageImpl_CheckLockRange(This, RANGELOCK_CHECKLOCKS+1, RANGELOCK_LAST, STG_E_LOCKVIOLATION);
}
/* Then grab our locks. */
if (SUCCEEDED(hr) && (openFlags & STGM_PRIORITY) == STGM_PRIORITY)
{

4
dlls/ole32/tests/storage32.c
View File

@ -3185,8 +3185,8 @@ static const struct lock_test lock_tests[] = {
{ STGM_READWRITE|STGM_TRANSACTED|STGM_SHARE_DENY_WRITE, FALSE, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ, rwdw_locked_bytes, rwdw_fail_ranges, FALSE },
{ STGM_READ|STGM_SHARE_DENY_WRITE, FALSE, GENERIC_READ, FILE_SHARE_READ, no_locked_bytes, dw_fail_ranges, TRUE },
{ STGM_READ|STGM_TRANSACTED, FALSE, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE, tr_locked_bytes, tr_fail_ranges, FALSE },
{ STGM_READ|STGM_SHARE_EXCLUSIVE, FALSE, GENERIC_READ, FILE_SHARE_READ, roex_locked_bytes, roex_fail_ranges, TRUE },
{ STGM_READ|STGM_SHARE_EXCLUSIVE|STGM_TRANSACTED, FALSE, GENERIC_READ, FILE_SHARE_READ, roex_locked_bytes, roex_fail_ranges, TRUE },
{ STGM_READ|STGM_SHARE_EXCLUSIVE, FALSE, GENERIC_READ, FILE_SHARE_READ, roex_locked_bytes, roex_fail_ranges, FALSE },
{ STGM_READ|STGM_SHARE_EXCLUSIVE|STGM_TRANSACTED, FALSE, GENERIC_READ, FILE_SHARE_READ, roex_locked_bytes, roex_fail_ranges, FALSE },
};
static BOOL can_open(LPCWSTR filename, DWORD access, DWORD sharing)