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registry.c
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registry.c
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// registry.c
//
// Time-stamp: <06/01/01 11:40:17 keuchel@lightning>
#include "celib.h"
LONG
XCERegOpenKeyExA(HKEY hKey,
const char *subkey,
DWORD ulOptions,
REGSAM samDesired,
PHKEY phkResult
)
{
long res;
wchar_t subkeyw[256];
MultiByteToWideChar(CP_ACP, 0, subkey, -1, subkeyw, COUNTOF(subkeyw));
res = RegOpenKeyExW(hKey, subkeyw, ulOptions, samDesired, phkResult);
return res;
}
LONG
XCERegQueryValueExA(
HKEY hKey,
const char *valname,
LPDWORD lpReserved,
LPDWORD lpType,
LPBYTE lpData,
LPDWORD lpcbData
)
{
wchar_t valnamew[256];
LONG res;
LPBYTE lpDataNew = NULL;
DWORD dwDataSize;
dwDataSize = *lpcbData * 2;
if(lpData != NULL)
lpDataNew = malloc(dwDataSize);
MultiByteToWideChar(CP_ACP, 0, valname, -1, valnamew, COUNTOF(valnamew));
res = RegQueryValueExW(hKey, valnamew, lpReserved, lpType, lpDataNew,
&dwDataSize);
if(res != 0)
{
free(lpDataNew);
return res;
}
if(lpData)
{
if(*lpType == REG_SZ)
{
WideCharToMultiByte(CP_ACP, 0,
(wchar_t *)lpDataNew, *lpcbData,
(char *) lpData, *lpcbData,
NULL, NULL);
*lpcbData = dwDataSize/2;
}
else
{
*lpcbData = dwDataSize;
memcpy(lpData, lpDataNew, *lpcbData);
}
}
free(lpDataNew);
return 0;
}
LONG
XCERegSetValueExA(
HKEY hKey,
const char *valname,
DWORD dwReserved,
DWORD dwType,
LPBYTE lpData,
DWORD dwSize
)
{
wchar_t valnamew[256];
LONG res;
LPBYTE lpDataNew = NULL;
DWORD dwDataSize = dwSize;
MultiByteToWideChar(CP_ACP, 0, valname, -1, valnamew, COUNTOF(valnamew));
if(dwType == REG_SZ)
{
dwDataSize = dwSize * 2;
lpDataNew = malloc(dwDataSize);
MultiByteToWideChar(CP_ACP, 0, lpData, -1, (wchar_t *)lpDataNew,
dwDataSize);
}
res = RegSetValueExW(hKey, valnamew, dwReserved, dwType, lpDataNew,
dwDataSize);
free(lpDataNew);
return res;
}
LONG
XCERegEnumValueA(
HKEY hKey,
DWORD dwIndex,
char *lpValueName,
LPDWORD lpcbValueName,
LPDWORD lpReserved,
LPDWORD lpType,
LPBYTE lpData,
LPDWORD lpcbData
)
{
long res;
DWORD dwValueSize;
DWORD dwDataSize;
wchar_t *lpValueNameW = NULL;
LPBYTE lpDataNew = NULL;
dwValueSize = *lpcbValueName * 2;
dwDataSize = *lpcbData * 2;
if(lpValueName != NULL)
lpValueNameW = malloc(dwValueSize);
if(lpData != NULL)
lpDataNew = malloc(dwDataSize);
res = RegEnumValueW(hKey, dwIndex, lpValueNameW, &dwValueSize,
lpReserved, lpType, lpDataNew, &dwDataSize);
if(res == 0)
{
if(lpValueName)
{
WideCharToMultiByte(CP_ACP, 0,
(wchar_t *)lpValueNameW, *lpcbValueName,
(char *) lpValueName, *lpcbValueName,
NULL, NULL);
*lpcbValueName = dwValueSize/2;
}
if(lpData)
{
if(*lpType == REG_SZ)
{
WideCharToMultiByte(CP_ACP, 0,
(wchar_t *)lpDataNew, *lpcbData,
(char *) lpData, *lpcbData,
NULL, NULL);
*lpcbData = dwDataSize/2;
}
else
{
*lpcbData = dwDataSize;
memcpy(lpData, lpDataNew, *lpcbData);
}
}
}
free(lpValueNameW);
free(lpDataNew);
return res;
}