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ole32: Do not crash in WriteClassStg if passed NULL pointer.

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This commit is contained in:
Andrey Turkin 2009-01-14 22:31:06 +03:00 committed by Alexandre Julliard
parent 37d27c38ce
commit d20ab01ed2
2 changed files with 54 additions and 0 deletions
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3
dlls/ole32/storage32.c
View File

@ -6281,6 +6281,9 @@ HRESULT WINAPI WriteClassStg(IStorage* pStg, REFCLSID rclsid)
if(!pStg)
return E_INVALIDARG;
if(!rclsid)
return STG_E_INVALIDPOINTER;
hRes = IStorage_SetClass(pStg, rclsid);
return hRes;

51
dlls/ole32/tests/storage32.c
View File

@ -803,6 +803,56 @@ static void test_storage_refcount(void)
DeleteFileW(filename);
}
static void test_writeclassstg(void)
{
static const WCHAR szPrefix[] = { 's','t','g',0 };
static const WCHAR szDot[] = { '.',0 };
WCHAR filename[MAX_PATH];
IStorage *stg = NULL;
HRESULT r;
CLSID temp_cls;
if(!GetTempFileNameW(szDot, szPrefix, 0, filename))
return;
DeleteFileW(filename);
/* create the file */
r = StgCreateDocfile( filename, STGM_CREATE | STGM_SHARE_EXCLUSIVE |
STGM_READWRITE, 0, &stg);
ok(r==S_OK, "StgCreateDocfile failed\n");
r = ReadClassStg( NULL, NULL );
ok(r == E_INVALIDARG, "ReadClassStg should return E_INVALIDARG instead of 0x%08X\n", r);
r = ReadClassStg( stg, NULL );
ok(r == E_INVALIDARG, "ReadClassStg should return E_INVALIDARG instead of 0x%08X\n", r);
temp_cls.Data1 = 0xdeadbeef;
r = ReadClassStg( stg, &temp_cls );
ok(r == S_OK, "ReadClassStg failed with 0x%08X\n", r);
ok(IsEqualCLSID(&temp_cls, &CLSID_NULL), "ReadClassStg returned wrong clsid\n");
r = WriteClassStg( NULL, NULL );
ok(r == E_INVALIDARG, "WriteClassStg should return E_INVALIDARG instead of 0x%08X\n", r);
r = WriteClassStg( stg, NULL );
ok(r == STG_E_INVALIDPOINTER, "WriteClassStg should return STG_E_INVALIDPOINTER instead of 0x%08X\n", r);
r = WriteClassStg( stg, &test_stg_cls );
ok( r == S_OK, "WriteClassStg failed with 0x%08X\n", r);
r = ReadClassStg( stg, &temp_cls );
ok( r == S_OK, "ReadClassStg failed with 0x%08X\n", r);
ok(IsEqualCLSID(&temp_cls, &test_stg_cls), "ReadClassStg returned wrong clsid\n");
r = IStorage_Release( stg );
ok (r == 0, "storage not released\n");
DeleteFileW(filename);
}
static void test_streamenum(void)
{
static const WCHAR szPrefix[] = { 's','t','g',0 };
@ -1229,4 +1279,5 @@ START_TEST(storage32)
test_transact();
test_ReadClassStm();
test_access();
test_writeclassstg();
}