91 lines
1.7 KiB
C++
91 lines
1.7 KiB
C++
|
#include "shlobj.h"
|
||
|
#include "debug.h"
|
||
|
#include "dblnul.h"
|
||
|
|
||
|
//
|
||
|
// Brianau's class for dskqouta project (see \shell\osshell\dskoquta\common\)
|
||
|
// only modification is to use the shell debug macros instead of the custom dskqouta ones
|
||
|
//
|
||
|
|
||
|
//
|
||
|
// Use of Zero-initialized memory keeps us from having to add nul terminators.
|
||
|
//
|
||
|
|
||
|
bool
|
||
|
DblNulTermList::AddString(
|
||
|
LPCTSTR psz, // String to copy.
|
||
|
int cch // Length of psz in chars (excl nul term).
|
||
|
)
|
||
|
{
|
||
|
while((m_cchAlloc - m_cchUsed) < (cch + 2))
|
||
|
{
|
||
|
if (!Grow())
|
||
|
return false;
|
||
|
}
|
||
|
ASSERT((NULL != m_psz));
|
||
|
if (NULL != m_psz)
|
||
|
{
|
||
|
lstrcpy(m_psz + m_cchUsed, psz);
|
||
|
m_cchUsed += cch + 1;
|
||
|
m_cStrings++;
|
||
|
return true;
|
||
|
}
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
bool
|
||
|
DblNulTermList::Grow(
|
||
|
void
|
||
|
)
|
||
|
{
|
||
|
ASSERT((NULL != m_psz));
|
||
|
ASSERT((m_cchGrow > 0));
|
||
|
int cb = (m_cchAlloc + m_cchGrow) * sizeof(TCHAR);
|
||
|
LPTSTR p = new TCHAR[cb];
|
||
|
if (NULL != p)
|
||
|
{
|
||
|
ZeroMemory(p, cb);
|
||
|
if (NULL != m_psz)
|
||
|
{
|
||
|
CopyMemory(p, m_psz, m_cchUsed * sizeof(TCHAR));
|
||
|
delete[] m_psz;
|
||
|
}
|
||
|
m_psz = p;
|
||
|
m_cchAlloc += m_cchGrow;
|
||
|
}
|
||
|
return NULL != m_psz;
|
||
|
}
|
||
|
|
||
|
|
||
|
#if 0
|
||
|
void
|
||
|
DblNulTermList::Dump(
|
||
|
void
|
||
|
) const
|
||
|
{
|
||
|
DBGERROR((TEXT("Dumping nul term list iter -------------")));
|
||
|
DblNulTermListIter iter = CreateIterator();
|
||
|
LPCTSTR psz;
|
||
|
while(iter.Next(&psz))
|
||
|
DBGERROR((TEXT("%s"), psz ? psz : TEXT("<null>")));
|
||
|
}
|
||
|
|
||
|
#endif
|
||
|
|
||
|
|
||
|
bool
|
||
|
DblNulTermListIter::Next(
|
||
|
LPCTSTR *ppszItem
|
||
|
)
|
||
|
{
|
||
|
if (*m_pszCurrent)
|
||
|
{
|
||
|
*ppszItem = m_pszCurrent;
|
||
|
m_pszCurrent += lstrlen(m_pszCurrent) + 1;
|
||
|
return true;
|
||
|
}
|
||
|
return false;
|
||
|
}
|