diff options
Diffstat (limited to 'plugins/Db3x_mmap/src/dbtool/settingschain.cpp')
| -rw-r--r-- | plugins/Db3x_mmap/src/dbtool/settingschain.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/plugins/Db3x_mmap/src/dbtool/settingschain.cpp b/plugins/Db3x_mmap/src/dbtool/settingschain.cpp new file mode 100644 index 0000000000..a2bfc48482 --- /dev/null +++ b/plugins/Db3x_mmap/src/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 "..\commonheaders.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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