diff options
| author | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-05-15 10:38:20 +0000 |
|---|---|---|
| committer | Vadim Dashevskiy <watcherhd@gmail.com> | 2012-05-15 10:38:20 +0000 |
| commit | 48540940b6c28bb4378abfeb500ec45a625b37b6 (patch) | |
| tree | 2ef294c0763e802f91d868bdef4229b6868527de /plugins/Dbx_mmap_SA/Dbtool/settingschain.cpp | |
| parent | 5c350913f011e119127baeb32a6aedeb4f0d33bc (diff) | |
initial commit
git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/Dbx_mmap_SA/Dbtool/settingschain.cpp')
| -rw-r--r-- | plugins/Dbx_mmap_SA/Dbtool/settingschain.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/plugins/Dbx_mmap_SA/Dbtool/settingschain.cpp b/plugins/Dbx_mmap_SA/Dbtool/settingschain.cpp new file mode 100644 index 0000000000..6c7b95febc --- /dev/null +++ b/plugins/Dbx_mmap_SA/Dbtool/settingschain.cpp @@ -0,0 +1,72 @@ +/*
+Miranda Database Tool
+Copyright (C) 2001-2005 Richard Hughes
+
+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 "dbtool.h"
+
+static DWORD ofsThisSettings,ofsDestPrevSettings;
+
+int WorkSettingsChain(DWORD ofsContact,DBContact *dbc,int firstTime)
+{
+ DBContactSettings *dbcsNew,dbcsOld;
+ DWORD ofsDestThis;
+ int ret;
+
+ if(firstTime) {
+ ofsDestPrevSettings=0;
+ ofsThisSettings=dbc->ofsFirstSettings;
+ dbc->ofsFirstSettings=0;
+ }
+ if(ofsThisSettings==0)
+ return ERROR_NO_MORE_ITEMS;
+ if(!SignatureValid(ofsThisSettings,DBCONTACTSETTINGS_SIGNATURE)) {
+ AddToStatus(STATUS_ERROR,TranslateT("Settings chain corrupted, further entries ignored"));
+ return ERROR_NO_MORE_ITEMS;
+ }
+ if(PeekSegment(ofsThisSettings,&dbcsOld,sizeof(dbcsOld))!=ERROR_SUCCESS)
+ return ERROR_NO_MORE_ITEMS;
+ if(dbcsOld.cbBlob>256*1024 || dbcsOld.cbBlob==0) {
+ AddToStatus(STATUS_ERROR,TranslateT("Infeasibly large settings blob: skipping"));
+ ofsThisSettings=dbcsOld.ofsNext;
+ return ERROR_SUCCESS;
+ }
+ dbcsNew=(DBContactSettings*)_alloca(offsetof(DBContactSettings,blob)+dbcsOld.cbBlob);
+ if((ret=ReadSegment(ofsThisSettings,dbcsNew,offsetof(DBContactSettings,blob)+dbcsOld.cbBlob))!=ERROR_SUCCESS) {
+ if(ret!=ERROR_HANDLE_EOF) { //eof is OK because blank space at the end doesn't matter
+ return ERROR_NO_MORE_ITEMS;
+ }
+ }
+ if((dbcsNew->ofsModuleName=ConvertModuleNameOfs(dbcsOld.ofsModuleName))==0) {
+ ofsThisSettings=dbcsOld.ofsNext;
+ return ERROR_SUCCESS;
+ }
+ if(dbcsNew->blob[0]==0) {
+ AddToStatus(STATUS_MESSAGE,TranslateT("Empty settings group at %08X: skipping"),ofsThisSettings);
+ ofsThisSettings=dbcsOld.ofsNext;
+ return ERROR_SUCCESS;
+ }
+ dbcsNew->ofsNext=0;
+ //TODO? validate all settings in blob/compact if necessary
+ if((ofsDestThis=WriteSegment(WSOFS_END,dbcsNew,offsetof(DBContactSettings,blob)+dbcsNew->cbBlob))==WS_ERROR) {
+ return ERROR_HANDLE_DISK_FULL;
+ }
+ if(ofsDestPrevSettings) WriteSegment(ofsDestPrevSettings+offsetof(DBContactSettings,ofsNext),&ofsDestThis,sizeof(DWORD));
+ else dbc->ofsFirstSettings=ofsDestThis;
+ ofsDestPrevSettings=ofsDestThis;
+ ofsThisSettings=dbcsOld.ofsNext;
+ return ERROR_SUCCESS;
+}
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