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scrrun: Use static sized buffer for drive root.

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Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2021-11-04 22:57:11 +03:00 committed by Alexandre Julliard
parent 16a17576a0
commit 82ffb085a8
1 changed files with 11 additions and 21 deletions
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32
dlls/scrrun/filesystem.c
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@ -99,7 +99,7 @@ struct drive {
struct provideclassinfo classinfo;
IDrive IDrive_iface;
LONG ref;
BSTR root;
WCHAR root[4];
};
struct folder {
@ -835,10 +835,7 @@ static ULONG WINAPI drive_Release(IDrive *iface)
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
SysFreeString(This->root);
heap_free(This);
}
return ref;
}
@ -1134,28 +1131,21 @@ static const IDriveVtbl drivevtbl = {
static HRESULT create_drive(WCHAR letter, IDrive **drive)
{
struct drive *This;
struct drive *object;
*drive = NULL;
This = heap_alloc(sizeof(*This));
if (!This) return E_OUTOFMEMORY;
object = heap_alloc(sizeof(*object));
if (!object) return E_OUTOFMEMORY;
This->IDrive_iface.lpVtbl = &drivevtbl;
This->ref = 1;
This->root = SysAllocStringLen(NULL, 3);
if (!This->root)
{
heap_free(This);
return E_OUTOFMEMORY;
}
This->root[0] = letter;
This->root[1] = ':';
This->root[2] = '\\';
This->root[3] = 0;
object->IDrive_iface.lpVtbl = &drivevtbl;
object->ref = 1;
wcscpy(object->root, L"A:\\");
*object->root = letter;
init_classinfo(&CLSID_Drive, (IUnknown *)&object->IDrive_iface, &object->classinfo);
*drive = &object->IDrive_iface;
init_classinfo(&CLSID_Drive, (IUnknown *)&This->IDrive_iface, &This->classinfo);
*drive = &This->IDrive_iface;
return S_OK;
}