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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (ñ) 2012-17 Miranda NG project (https://miranda-ng.org)
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "commonheaders.h"
void CDbxKyoto::AddToList(char *name, DWORD ofs)
{
ModuleName *mn = (ModuleName*)HeapAlloc(m_hModHeap, 0, sizeof(ModuleName));
mn->name = name;
mn->ofs = ofs;
if (m_lMods.getIndex(mn) != -1)
DatabaseCorruption(L"%s (Module Name not unique)");
m_lMods.insert(mn);
if (m_lOfs.getIndex(mn) != -1)
DatabaseCorruption(L"%s (Module Offset not unique)");
m_lOfs.insert(mn);
}
int CDbxKyoto::InitModuleNames(void)
{
m_maxModuleID = 0;
cursor_ptr cursor(m_dbModules);
for (cursor->jump(); cursor->step();) {
size_t size;
const char *pRec, *pKey = cursor->get(&size, &pRec, &size);
DBModuleName *pmod = (DBModuleName*)pRec;
if (pmod->dwSignature != DBMODULENAME_SIGNATURE)
DatabaseCorruption(NULL);
char *pVal = (char*)HeapAlloc(m_hModHeap, 0, pmod->cbName+1);
memcpy(pVal, pmod->name, pmod->cbName);
pVal[pmod->cbName] = 0;
int moduleId = *(int*)pKey;
AddToList(pVal, moduleId);
if (moduleId > m_maxModuleID)
m_maxModuleID = moduleId;
delete[] pKey;
}
return 0;
}
DWORD CDbxKyoto::FindExistingModuleNameOfs(const char *szName)
{
ModuleName mn = { (char*)szName, 0 };
if (m_lastmn && !strcmp(mn.name, m_lastmn->name))
return m_lastmn->ofs;
int index = m_lMods.getIndex(&mn);
if (index != -1) {
ModuleName *pmn = m_lMods[index];
m_lastmn = pmn;
return pmn->ofs;
}
return 0;
}
// will create the offset if it needs to
DWORD CDbxKyoto::GetModuleNameOfs(const char *szName)
{
DWORD ofsExisting = FindExistingModuleNameOfs(szName);
if (ofsExisting)
return ofsExisting;
if (m_bReadOnly)
return 0;
int nameLen = (int)strlen(szName);
// need to create the module name
int newIdx = ++m_maxModuleID;
DBModuleName *pmod = (DBModuleName*)_alloca(sizeof(DBModuleName) + nameLen);
pmod->dwSignature = DBMODULENAME_SIGNATURE;
pmod->cbName = (char)nameLen;
strcpy(pmod->name, szName);
m_dbModules.set((LPCSTR)&newIdx, sizeof(int), (LPCSTR)pmod, sizeof(DBModuleName) + nameLen);
// add to cache
char *mod = (char*)HeapAlloc(m_hModHeap, 0, nameLen + 1);
strcpy(mod, szName);
AddToList(mod, newIdx);
// quit
return -1;
}
char* CDbxKyoto::GetModuleNameByOfs(DWORD ofs)
{
if (m_lastmn && m_lastmn->ofs == ofs)
return m_lastmn->name;
ModuleName mn = { NULL, ofs };
int index = m_lOfs.getIndex(&mn);
if (index != -1) {
ModuleName *pmn = m_lOfs[index];
m_lastmn = pmn;
return pmn->name;
}
return NULL;
}
STDMETHODIMP_(BOOL) CDbxKyoto::EnumModuleNames(DBMODULEENUMPROC pFunc, void *pParam)
{
for (int i = 0; i < m_lMods.getCount(); i++) {
ModuleName *pmn = m_lMods[i];
int ret = pFunc(pmn->name, pmn->ofs, (LPARAM)pParam);
if (ret)
return ret;
}
return 0;
}
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