/**

 * WinPR: Windows Portable Runtime

 * Process Environment Functions

 *

 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 * Copyright 2013 Thincast Technologies GmbH

 * Copyright 2013 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef WINPR_ENVIRONMENT_H

#define WINPR_ENVIRONMENT_H

#include <winpr/winpr.h>

#include <winpr/wtypes.h>

#ifndef _WIN32

#ifdef __cplusplus

extern "C"

{

#endif

	WINPR_API DWORD GetCurrentDirectoryA(DWORD nBufferLength, LPSTR lpBuffer);

	WINPR_API DWORD GetCurrentDirectoryW(DWORD nBufferLength, LPWSTR lpBuffer);

	WINPR_API BOOL SetCurrentDirectoryA(LPCSTR lpPathName);

	WINPR_API BOOL SetCurrentDirectoryW(LPCWSTR lpPathName);

	WINPR_API DWORD SearchPathA(LPCSTR lpPath, LPCSTR lpFileName, LPCSTR lpExtension,

	                            DWORD nBufferLength, LPSTR lpBuffer, LPSTR* lpFilePart);

	WINPR_API DWORD SearchPathW(LPCWSTR lpPath, LPCWSTR lpFileName, LPCWSTR lpExtension,

	                            DWORD nBufferLength, LPWSTR lpBuffer, LPWSTR* lpFilePart);

	WINPR_API LPSTR GetCommandLineA(VOID);

	WINPR_API LPWSTR GetCommandLineW(VOID);

	WINPR_API BOOL NeedCurrentDirectoryForExePathA(LPCSTR ExeName);

	WINPR_API BOOL NeedCurrentDirectoryForExePathW(LPCWSTR ExeName);

#ifdef __cplusplus

}

#endif

#ifdef UNICODE

#define GetCurrentDirectory GetCurrentDirectoryW

#define SetCurrentDirectory SetCurrentDirectoryW

#define SearchPath SearchPathW

#define GetCommandLine GetCommandLineW

#define NeedCurrentDirectoryForExePath NeedCurrentDirectoryForExePathW

#else

#define GetCurrentDirectory GetCurrentDirectoryA

#define SetCurrentDirectory SetCurrentDirectoryA

#define SearchPath SearchPathA

#define GetCommandLine GetCommandLineA

#define NeedCurrentDirectoryForExePath NeedCurrentDirectoryForExePathA

#endif

#endif

#if !defined(_WIN32) || defined(_UWP)

#ifdef __cplusplus

extern "C"

{

#endif

	WINPR_API DWORD GetEnvironmentVariableA(LPCSTR lpName, LPSTR lpBuffer, DWORD nSize);

	WINPR_API DWORD GetEnvironmentVariableW(LPCWSTR lpName, LPWSTR lpBuffer, DWORD nSize);

	WINPR_API BOOL SetEnvironmentVariableA(LPCSTR lpName, LPCSTR lpValue);

	WINPR_API BOOL SetEnvironmentVariableW(LPCWSTR lpName, LPCWSTR lpValue);

	/**

	 * A brief history of the GetEnvironmentStrings functions:

	 * http://blogs.msdn.com/b/oldnewthing/archive/2013/01/17/10385718.aspx

	 */

	WINPR_API LPCH GetEnvironmentStrings(VOID);

	WINPR_API LPWCH GetEnvironmentStringsW(VOID);

	WINPR_API BOOL SetEnvironmentStringsA(LPCH NewEnvironment);

	WINPR_API BOOL SetEnvironmentStringsW(LPWCH NewEnvironment);

	WINPR_API DWORD ExpandEnvironmentStringsA(LPCSTR lpSrc, LPSTR lpDst, DWORD nSize);

	WINPR_API DWORD ExpandEnvironmentStringsW(LPCWSTR lpSrc, LPWSTR lpDst, DWORD nSize);

	WINPR_API BOOL FreeEnvironmentStringsA(LPCH lpszEnvironmentBlock);

	WINPR_API BOOL FreeEnvironmentStringsW(LPWCH lpszEnvironmentBlock);

#ifdef __cplusplus

}

#endif

#ifdef UNICODE

#define GetEnvironmentVariable GetEnvironmentVariableW

#define SetEnvironmentVariable SetEnvironmentVariableW

#define GetEnvironmentStrings GetEnvironmentStringsW

#define SetEnvironmentStrings SetEnvironmentStringsW

#define ExpandEnvironmentStrings ExpandEnvironmentStringsW

#define FreeEnvironmentStrings FreeEnvironmentStringsW

#else

#define GetEnvironmentVariable GetEnvironmentVariableA

#define SetEnvironmentVariable SetEnvironmentVariableA

#define GetEnvironmentStringsA GetEnvironmentStrings

#define SetEnvironmentStrings SetEnvironmentStringsA

#define ExpandEnvironmentStrings ExpandEnvironmentStringsA

#define FreeEnvironmentStrings FreeEnvironmentStringsA

#endif

#endif

#ifdef __cplusplus

extern "C"

{

#endif

	WINPR_API LPCH MergeEnvironmentStrings(PCSTR original, PCSTR merge);

	WINPR_API DWORD GetEnvironmentVariableEBA(LPCSTR envBlock, LPCSTR lpName, LPSTR lpBuffer,

	                                          DWORD nSize);

	WINPR_API BOOL SetEnvironmentVariableEBA(LPSTR* envBlock, LPCSTR lpName, LPCSTR lpValue);

	WINPR_API char** EnvironmentBlockToEnvpA(LPCH lpszEnvironmentBlock);

#ifdef __cplusplus

}

#endif

#endif /* WINPR_ENVIRONMENT_H */