[ADVAPI32][SHELL32][DESK.CPL] Kill copy-paste of RegLoadMUIString. (#748)

[reactos.git] / dll / cpl / desk / muireg.c

diff --git a/dll/cpl/desk/muireg.c b/dll/cpl/desk/muireg.c
deleted file mode 100644 (file)
index 8754b43..0000000
--- a/dll/cpl/desk/muireg.c
+++ /dev/null
@@ -1,144 +0,0 @@
-#include "desk.h"
-
-/******************************************************************************
- * load_string [Internal]
- *
- * This is basically a copy of user32/resource.c's LoadStringW. Necessary to
- * avoid importing user32, which is higher level than advapi32. Helper for
- * RegLoadMUIString.
- */
-static int load_string(HINSTANCE hModule, UINT resId, LPWSTR pwszBuffer, INT cMaxChars)
-{
-    HGLOBAL hMemory;
-    HRSRC hResource;
-    WCHAR *pString;
-    int idxString;
-
-    /* Negative values have to be inverted. */
-    if (HIWORD(resId) == 0xffff)
-        resId = (UINT)(-((INT)resId));
-
-    /* Load the resource into memory and get a pointer to it. */
-    hResource = FindResourceW(hModule, MAKEINTRESOURCEW(LOWORD(resId >> 4) + 1), (LPWSTR)RT_STRING);
-    if (!hResource) return 0;
-    hMemory = LoadResource(hModule, hResource);
-    if (!hMemory) return 0;
-    pString = LockResource(hMemory);
-
-    /* Strings are length-prefixed. Lowest nibble of resId is an index. */
-    idxString = resId & 0xf;
-    while (idxString--) pString += *pString + 1;
-
-    /* If no buffer is given, return length of the string. */
-    if (!pwszBuffer) return *pString;
-
-    /* Else copy over the string, respecting the buffer size. */
-    cMaxChars = (*pString < cMaxChars) ? *pString : (cMaxChars - 1);
-    if (cMaxChars >= 0)
-    {
-        memcpy(pwszBuffer, pString+1, cMaxChars * sizeof(WCHAR));
-        pwszBuffer[cMaxChars] = L'\0';
-    }
-
-    return cMaxChars;
-}
-
-
-/************************************************************************
- *  RegLoadMUIStringW
- *
- * @implemented
- */
-LONG
-RegLoadMUIStringW(IN HKEY hKey,
-                  IN LPCWSTR pszValue  OPTIONAL,
-                  OUT LPWSTR pszOutBuf,
-                  IN DWORD cbOutBuf,
-                  OUT LPDWORD pcbData OPTIONAL,
-                  IN DWORD Flags,
-                  IN LPCWSTR pszDirectory  OPTIONAL)
-{
-    DWORD dwValueType, cbData;
-    LPWSTR pwszTempBuffer = NULL, pwszExpandedBuffer = NULL;
-    LONG result;
-
-    /* Parameter sanity checks. */
-    if (!hKey || !pszOutBuf)
-        return ERROR_INVALID_PARAMETER;
-
-    if (pszDirectory && *pszDirectory)
-    {
-        //FIXME("BaseDir parameter not yet supported!\n");
-        return ERROR_INVALID_PARAMETER;
-    }
-
-    /* Check for value existence and correctness of it's type, allocate a buffer and load it. */
-    result = RegQueryValueExW(hKey, pszValue, NULL, &dwValueType, NULL, &cbData);
-    if (result != ERROR_SUCCESS) goto cleanup;
-    if (!(dwValueType == REG_SZ || dwValueType == REG_EXPAND_SZ) || !cbData)
-    {
-        result = ERROR_FILE_NOT_FOUND;
-        goto cleanup;
-    }
-    pwszTempBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
-    if (!pwszTempBuffer)
-    {
-        result = ERROR_NOT_ENOUGH_MEMORY;
-        goto cleanup;
-    }
-    result = RegQueryValueExW(hKey, pszValue, NULL, &dwValueType, (LPBYTE)pwszTempBuffer, &cbData);
-    if (result != ERROR_SUCCESS) goto cleanup;
-
-    /* Expand environment variables, if appropriate, or copy the original string over. */
-    if (dwValueType == REG_EXPAND_SZ)
-    {
-        cbData = ExpandEnvironmentStringsW(pwszTempBuffer, NULL, 0) * sizeof(WCHAR);
-        if (!cbData) goto cleanup;
-        pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
-        if (!pwszExpandedBuffer)
-        {
-            result = ERROR_NOT_ENOUGH_MEMORY;
-            goto cleanup;
-        }
-        ExpandEnvironmentStringsW(pwszTempBuffer, pwszExpandedBuffer, cbData);
-    }
-    else
-    {
-        pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
-        memcpy(pwszExpandedBuffer, pwszTempBuffer, cbData);
-    }
-
-    /* If the value references a resource based string, parse the value and load the string.
-     * Else just copy over the original value. */
-    result = ERROR_SUCCESS;
-    if (*pwszExpandedBuffer != L'@') /* '@' is the prefix for resource based string entries. */
-    {
-        lstrcpynW(pszOutBuf, pwszExpandedBuffer, cbOutBuf / sizeof(WCHAR));
-    }
-    else
-    {
-        WCHAR *pComma = wcsrchr(pwszExpandedBuffer, L',');
-        UINT uiStringId;
-        HMODULE hModule;
-
-        /* Format of the expanded value is 'path_to_dll,-resId' */
-        if (!pComma || pComma[1] != L'-')
-        {
-            result = ERROR_BADKEY;
-            goto cleanup;
-        }
-
-        uiStringId = _wtoi(pComma+2);
-        *pComma = L'\0';
-
-        hModule = LoadLibraryExW(pwszExpandedBuffer + 1, NULL, LOAD_LIBRARY_AS_DATAFILE);
-        if (!hModule || !load_string(hModule, uiStringId, pszOutBuf, cbOutBuf / sizeof(WCHAR)))
-            result = ERROR_BADKEY;
-        FreeLibrary(hModule);
-    }
-
-cleanup:
-    HeapFree(GetProcessHeap(), 0, pwszTempBuffer);
-    HeapFree(GetProcessHeap(), 0, pwszExpandedBuffer);
-    return result;
-}