From: "Gabriel Ivăncescu" Subject: [PATCH 1/2] mmdevapi: Truncate strings from PropertyStore's GetValue to 62 chars. Message-Id: Date: Fri, 20 May 2022 20:40:18 +0300 Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=53010 Signed-off-by: Gabriel Ivăncescu --- Not sure if this is the best solution, but... dlls/mmdevapi/devenum.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/dlls/mmdevapi/devenum.c b/dlls/mmdevapi/devenum.c index ed1daa8..f5799be 100644 --- a/dlls/mmdevapi/devenum.c +++ b/dlls/mmdevapi/devenum.c @@ -1378,6 +1378,8 @@ static HRESULT WINAPI MMDevPropStore_GetAt(IPropertyStore *iface, DWORD prop, PR static HRESULT WINAPI MMDevPropStore_GetValue(IPropertyStore *iface, REFPROPERTYKEY key, PROPVARIANT *pv) { MMDevPropStore *This = impl_from_IPropertyStore(iface); + HRESULT hres; + TRACE("(%p)->(\"%s,%lu\", %p)\n", This, key ? debugstr_guid(&key->fmtid) : NULL, key ? key->pid : 0, pv); if (!key || !pv) @@ -1397,7 +1399,16 @@ static HRESULT WINAPI MMDevPropStore_GetValue(IPropertyStore *iface, REFPROPERTY return S_OK; } - return MMDevice_GetPropValue(&This->parent->devguid, This->parent->flow, key, pv); + hres = MMDevice_GetPropValue(&This->parent->devguid, This->parent->flow, key, pv); + if (FAILED(hres)) + return hres; + + /* Some broken apps and libs (e.g. Split/Second with fmodex) + can't deal with strings longer than 62 characters + NUL. */ + if (pv->vt == VT_LPWSTR && wcslen(pv->pwszVal) > 62) + pv->pwszVal[62] = '\0'; + + return hres; } static HRESULT WINAPI MMDevPropStore_SetValue(IPropertyStore *iface, REFPROPERTYKEY key, REFPROPVARIANT pv) -- 2.34.1