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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
Miranda IM: the free IM client for Microsoft* Windows*
Copyright 2000-2003 Miranda ICQ/IM project,
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"
static INT_PTR EnumModuleNames(WPARAM wParam,LPARAM lParam);
typedef struct {
char *name;
DWORD ofs;
} ModuleName;
HANDLE hModHeap = NULL;
static SortedList lMods, lOfs;
static int ModCompare( ModuleName *mn1, ModuleName *mn2 )
{
return strcmp( mn1->name, mn2->name );
}
static int OfsCompare( ModuleName *mn1, ModuleName *mn2 )
{
return ( mn1->ofs - mn2->ofs );
}
void AddToList(char *name, DWORD len, DWORD ofs)
{
int index;
ModuleName *mn = (ModuleName*)HeapAlloc(hModHeap,0,sizeof(ModuleName));
mn->name = name;
mn->ofs = ofs;
if (List_GetIndex(&lMods,mn,&index))
DatabaseCorruption( _T("%s (Module Name not unique)"));
List_Insert(&lMods,mn,index);
if (List_GetIndex(&lOfs,mn,&index))
DatabaseCorruption( _T("%s (Module Offset not unique)"));
List_Insert(&lOfs,mn,index);
}
int InitModuleNames(void)
{
struct DBModuleName *dbmn;
DWORD ofsThis;
int nameLen;
char *mod;
hModHeap = HeapCreate(0, 0, 0);
lMods.sortFunc = (FSortFunc)ModCompare;
lMods.increment = 50;
lOfs.sortFunc = (FSortFunc)OfsCompare;
lOfs.increment = 50;
ofsThis = dbHeader.ofsFirstModuleName;
dbmn=(struct DBModuleName*)DBRead(ofsThis,sizeof(struct DBModuleName),NULL);
while(ofsThis) {
if(dbmn->signature!=DBMODULENAME_SIGNATURE) DatabaseCorruption(NULL);
nameLen=dbmn->cbName;
mod = (char*)HeapAlloc(hModHeap,0,nameLen+1);
CopyMemory(mod,DBRead(ofsThis+offsetof(struct DBModuleName,name),nameLen,NULL),nameLen);
mod[nameLen] = 0;
AddToList(mod, nameLen, ofsThis);
ofsThis=dbmn->ofsNext;
dbmn=(struct DBModuleName*)DBRead(ofsThis,sizeof(struct DBModuleName),NULL);
}
CreateServiceFunction(MS_DB_MODULES_ENUM,EnumModuleNames);
return 0;
}
void UninitModuleNames(void)
{
HeapDestroy(hModHeap);
List_Destroy(&lMods);
List_Destroy(&lOfs);
}
static DWORD FindExistingModuleNameOfs(const char *szName)
{
static ModuleName *lastmn = NULL;
ModuleName mn, *pmn;
int index;
mn.name = (char*)szName;
mn.ofs = 0;
if (lastmn && ModCompare(&mn,lastmn) == 0)
return lastmn->ofs;
if (List_GetIndex(&lMods,&mn,&index)) {
pmn = (ModuleName*)lMods.items[index];
lastmn = pmn;
return pmn->ofs;
}
return 0;
}
//will create the offset if it needs to
DWORD GetModuleNameOfs(const char *szName)
{
struct DBModuleName dbmn;
int nameLen;
DWORD ofsNew,ofsExisting;
char *mod;
ofsExisting=FindExistingModuleNameOfs(szName);
if(ofsExisting) return ofsExisting;
nameLen = (int)strlen(szName);
//need to create the module name
ofsNew=CreateNewSpace(nameLen+offsetof(struct DBModuleName,name));
dbmn.signature=DBMODULENAME_SIGNATURE;
dbmn.cbName=nameLen;
dbmn.ofsNext=dbHeader.ofsFirstModuleName;
dbHeader.ofsFirstModuleName=ofsNew;
DBWrite(0,&dbHeader,sizeof(dbHeader));
DBWrite(ofsNew,&dbmn,offsetof(struct DBModuleName,name));
DBWrite(ofsNew+offsetof(struct DBModuleName,name),(PVOID)szName,nameLen);
DBFlush(0);
//add to cache
mod = (char*)HeapAlloc(hModHeap,0,nameLen+1);
strcpy(mod,szName);
AddToList(mod, nameLen, ofsNew);
//quit
return ofsNew;
}
char *GetModuleNameByOfs(DWORD ofs)
{
static ModuleName *lastmn = NULL;
ModuleName mn, *pmn;
int index;
if (lastmn && lastmn->ofs == ofs)
return lastmn->name;
mn.name = NULL;
mn.ofs = ofs;
if (List_GetIndex(&lOfs,&mn,&index)) {
pmn = (ModuleName*)lOfs.items[index];
lastmn = pmn;
return pmn->name;
}
DatabaseCorruption(NULL);
return NULL;
}
static INT_PTR EnumModuleNames(WPARAM wParam,LPARAM lParam)
{
int i;
int ret;
ModuleName *pmn;
for(i = 0; i < lMods.realCount; i++) {
pmn = (ModuleName *)lMods.items[i];
ret=((DBMODULEENUMPROC)lParam)(pmn->name,pmn->ofs,wParam);
if(ret) return ret;
}
return 0;
}
|
