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