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Changed heap to stack allocation in an oft-called function for 

data that's never used outside the function.
This commit is contained in:
crs 2003-02-16 19:50:36 +00:00
parent 3351a66f51
commit 60fdb1f529
1 changed files with 19 additions and 3 deletions
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22
lib/platform/CMSWindowsScreen.cpp
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@ -26,6 +26,8 @@
#include "CStringUtil.h"
#include "CArchMiscWindows.h"
#include <cstring>
#include <malloc.h>
#include <tchar.h>
//
// add backwards compatible multihead support (and suppress bogus warning)
@ -726,10 +728,9 @@ CMSWindowsScreen::getDesktopName(HDESK desk) const
else {
DWORD size;
GetUserObjectInformation(desk, UOI_NAME, NULL, 0, &size);
TCHAR* name = new TCHAR[size / sizeof(TCHAR) + 1];
TCHAR* name = (TCHAR*)alloca(size + sizeof(TCHAR));
GetUserObjectInformation(desk, UOI_NAME, name, size, &size);
CString result(name);
delete[] name;
return result;
}
}
@ -737,7 +738,22 @@ CMSWindowsScreen::getDesktopName(HDESK desk) const
bool
CMSWindowsScreen::isCurrentDesktop(HDESK desk) const
{
return CStringUtil::CaselessCmp::equal(getDesktopName(desk), m_deskName);
// don't allocate space for current desktop name on heap since
// we do this a lot and we never save the name.
TCHAR* name;
if (desk == NULL) {
name = _T("");
}
else if (m_is95Family) {
name = _T("desktop");
}
else {
DWORD size;
GetUserObjectInformation(desk, UOI_NAME, NULL, 0, &size);
name = (TCHAR*)alloca(size + sizeof(TCHAR));
GetUserObjectInformation(desk, UOI_NAME, name, size, &size);
}
return (_tcsicmp(name, m_deskName.c_str()) == 0);
}
LRESULT CALLBACK