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[DEVMGR] m_DisplayName: Some functions need bytes, not chars

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Also:
Always use explicit _countof() and sizeof().
Add a missing 'Size' re-init.
This commit is contained in:
Serge Gautherie 2019-11-20 22:13:48 +01:00 committed by Victor Perevertkin
parent c3da027012
commit 9c82d16b14
4 changed files with 8 additions and 7 deletions
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7
dll/win32/devmgr/devmgmt/ClassNode.cpp
View file

@ -42,10 +42,10 @@ CClassNode::SetupNode()
0);
if (hKey != INVALID_HANDLE_VALUE)
{
Size = DISPLAY_NAME_LEN;
Type = REG_SZ;
// Lookup the class description (win7+)
Size = sizeof(m_DisplayName);
Success = RegQueryValueExW(hKey,
L"ClassDesc",
NULL,
@ -58,12 +58,13 @@ CClassNode::SetupNode()
if (m_DisplayName[0] == L'@')
{
// The description is located in a module resource
Success = ConvertResourceDescriptorToString(m_DisplayName, DISPLAY_NAME_LEN);
Success = ConvertResourceDescriptorToString(m_DisplayName, sizeof(m_DisplayName));
}
}
else if (Success == ERROR_FILE_NOT_FOUND)
{
// WinXP stores the description in the default value
Size = sizeof(m_DisplayName);
Success = RegQueryValueExW(hKey,
NULL,
NULL,
@ -84,7 +85,7 @@ CClassNode::SetupNode()
if (Success != ERROR_SUCCESS)
{
// Use the class name as the description
RequiredSize = DISPLAY_NAME_LEN;
RequiredSize = _countof(m_DisplayName);
(VOID)SetupDiClassNameFromGuidW(&m_ClassGuid,
m_DisplayName,
RequiredSize,

4
dll/win32/devmgr/devmgmt/DeviceNode.cpp
View file

@ -131,7 +131,7 @@ CDeviceNode::SetupNode()
&m_ClassImage);
// Get the description for the device
ulLength = DISPLAY_NAME_LEN * sizeof(WCHAR);
ulLength = sizeof(m_DisplayName);
cr = CM_Get_DevNode_Registry_PropertyW(m_DevInst,
CM_DRP_FRIENDLYNAME,
NULL,
@ -140,7 +140,7 @@ CDeviceNode::SetupNode()
0);
if (cr != CR_SUCCESS)
{
ulLength = DISPLAY_NAME_LEN * sizeof(WCHAR);
ulLength = sizeof(m_DisplayName);
cr = CM_Get_DevNode_Registry_PropertyW(m_DevInst,
CM_DRP_DEVICEDESC,
NULL,

2
dll/win32/devmgr/devmgmt/Node.cpp
View file

@ -32,7 +32,7 @@ CNode::CNode(const CNode &Node)
m_DeviceId = Node.m_DeviceId;
m_ClassImage = Node.m_ClassImage;
StringCbCopyW(m_DisplayName, DISPLAY_NAME_LEN, Node.m_DisplayName);
StringCbCopyW(m_DisplayName, sizeof(m_DisplayName), Node.m_DisplayName);
CopyMemory(&m_ClassGuid, &Node.m_ClassGuid, sizeof(GUID));
}

2
dll/win32/devmgr/devmgmt/RootNode.cpp
View file

@ -52,7 +52,7 @@ CRootNode::SetupNode()
}
// The root name is the computer name
DWORD Size = DISPLAY_NAME_LEN;
DWORD Size = _countof(m_DisplayName);
GetComputerNameW(m_DisplayName, &Size);
return true;