/* Copyright (c) Microsoft Corporation. All rights reserved. */

#ifndef RADUTIL_H
#define RADUTIL_H
#pragma once

#include "authif.h"

#ifdef __cplusplus
extern "C" {
#endif

LPVOID
WINAPI
RadiusAlloc(
   SIZE_T dwBytes
   );

VOID
WINAPI
RadiusFree(
   LPVOID lpMem
   );

#define RADIUS_ATTR_NOT_FOUND ((DWORD)-1)

/* Returns the index of the first attribute with the desired type or
 * RADIUS_ATTR_NOT_FOUND if no such attribute exists. */
DWORD
WINAPI
RadiusFindFirstIndex(
   PRADIUS_ATTRIBUTE_ARRAY pAttrs,
   DWORD dwAttrType
   );

/* Returns the first attribute with the desired type or NULL if no such
 * attribute exists. */
const RADIUS_ATTRIBUTE*
WINAPI
RadiusFindFirstAttribute(
   PRADIUS_ATTRIBUTE_ARRAY pAttrs,
   DWORD dwAttrType
   );

/* Replaces the first attribute of the specified type or appends the new
 * attribute to the end of the request if no such attribute exists. */
DWORD
WINAPI
RadiusReplaceFirstAttribute(
   PRADIUS_ATTRIBUTE_ARRAY pAttrs,
   const RADIUS_ATTRIBUTE* pSrc
   );

/* Install an extension DLL. */
HRESULT
WINAPI
RadiusExtensionInstall(
    HMODULE hModule,
    LPCWSTR pwszType,
    BOOL fInstall
    );

#ifdef __cplusplus
}
#endif
#endif // RADUTIL_H