Leaked source code of windows server 2003
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#include <pch.hxx>
#ifndef MAC
#include <BadStrFunctions.h>
#pragma warning (disable: 4127) // conditional expression is constant
#define MAXKEYNAME 256
#define MAXVALUENAME_LENGTH MAXKEYNAME
#define MAXDATA_LENGTH 16L*1024L
/*******************************************************************************
** CopyRegistry** DESCRIPTION:** PARAMETERS:* hSourceKey,* hDestinationKey,********************************************************************************/
// static because CopyRegistry recurses - don't use too much stack
static CHAR g_KeyNameBuffer[MAXKEYNAME];static CHAR g_ValueNameBuffer[MAXVALUENAME_LENGTH];static BYTE g_ValueDataBuffer[MAXDATA_LENGTH];
OESTDAPI_(VOID) CopyRegistry(HKEY hSourceKey, HKEY hDestinationKey){ DWORD EnumIndex; DWORD cbValueName; DWORD cbValueData; DWORD Type; HKEY hSourceSubKey; HKEY hDestinationSubKey;
//
// Copy all of the value names and their data.
//
EnumIndex = 0;
while (TRUE) {
cbValueName = sizeof(g_ValueNameBuffer); cbValueData = MAXDATA_LENGTH;
if (RegEnumValue(hSourceKey, EnumIndex++, g_ValueNameBuffer, &cbValueName, NULL, &Type, g_ValueDataBuffer, &cbValueData) != ERROR_SUCCESS) break;
RegSetValueEx(hDestinationKey, g_ValueNameBuffer, 0, Type, g_ValueDataBuffer, cbValueData);
}
//
// Copy all of the subkeys and recurse into them.
//
EnumIndex = 0;
while (TRUE) {
if (RegEnumKey(hSourceKey, EnumIndex++, g_KeyNameBuffer, MAXKEYNAME) != ERROR_SUCCESS) break;
if (RegOpenKey(hSourceKey, g_KeyNameBuffer, &hSourceSubKey) == ERROR_SUCCESS) {
if (RegCreateKey(hDestinationKey, g_KeyNameBuffer, &hDestinationSubKey) == ERROR_SUCCESS) {
CopyRegistry(hSourceSubKey, hDestinationSubKey);
RegCloseKey(hDestinationSubKey);
}
RegCloseKey(hSourceSubKey);
}
}}#endif // !MAC
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