{
    HMODULE hModule = NULL;
    LPSTR FunctionNameA = NULL;
    PWCHAR Comma;
    DWORD rc;

    *ModulePointer = NULL;
    *FunctionPointer = NULL;

    Comma = strchrW(InstallerName, ',');
    if (!Comma)
    {
        rc = ERROR_INVALID_PARAMETER;
        goto cleanup;
    }

    /* Load library */
    *Comma = '\0';
    hModule = LoadLibraryW(InstallerName);
    *Comma = ',';
    if (!hModule)
    {
        rc = GetLastError();
        goto cleanup;
    }

    /* Skip comma spaces */
    while (*Comma == ',' || isspaceW(*Comma))
        Comma++;

    /* W->A conversion for function name */
    FunctionNameA = pSetupUnicodeToMultiByte(Comma, CP_ACP);
    if (!FunctionNameA)
    {
        rc = GetLastError();
        goto cleanup;
    }

    /* Search function */
    *FunctionPointer = GetProcAddress(hModule, FunctionNameA);
    if (!*FunctionPointer)
    {
        rc = GetLastError();
        goto cleanup;
    }

    *ModulePointer = hModule;
    rc = ERROR_SUCCESS;

cleanup:
    if (rc != ERROR_SUCCESS && hModule)
        FreeLibrary(hModule);
    MyFree(FunctionNameA);
    return rc;
}

ReactOS Development > Doxygen