1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (ñ) 2012-15 Miranda NG project (http://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 CDbxMdb::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(_T("%s (Module Name not unique)"));
m_lMods.insert(mn);
if (m_lOfs.getIndex(mn) != -1)
DatabaseCorruption(_T("%s (Module Offset not unique)"));
m_lOfs.insert(mn);
}
int CDbxMdb::InitModuleNames(void)
{
m_maxModuleID = 0;
txn_ptr trnlck(m_pMdbEnv);
mdb_open(trnlck, "modules", MDB_INTEGERKEY, &m_dbModules);
cursor_ptr cursor(trnlck, m_dbModules);
if (!cursor)
return 1;
MDB_val key, data;
while (mdb_cursor_get(cursor, &key, &data, MDB_NEXT) == 0) {
DBModuleName *pmod = (DBModuleName*)data.mv_data;
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*)key.mv_data;
AddToList(pVal, moduleId);
if (moduleId > m_maxModuleID)
m_maxModuleID = moduleId;
}
return 0;
}
DWORD CDbxMdb::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 CDbxMdb::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);
MDB_val key = { sizeof(int), &newIdx }, data = { sizeof(DBModuleName) + nameLen, pmod };
for (;; Remap()) {
txn_ptr trnlck(m_pMdbEnv);
mdb_open(trnlck, "modules", MDB_INTEGERKEY, &m_dbModules);
MDB_CHECK(mdb_put(trnlck, m_dbModules, &key, &data, 0), -1);
if (trnlck.commit())
break;
}
// add to cache
char *mod = (char*)HeapAlloc(m_hModHeap, 0, nameLen + 1);
strcpy(mod, szName);
AddToList(mod, newIdx);
// quit
return -1;
}
char* CDbxMdb::GetModuleNameByOfs(DWORD ofs)
{
ModuleName mn = { NULL, ofs };
int index = m_lOfs.getIndex(&mn);
if (index != -1)
return m_lOfs[index]->name;
return NULL;
}
STDMETHODIMP_(BOOL) CDbxMdb::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;
}
|
