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/*
* openvpnmsica -- Custom Action DLL to provide OpenVPN-specific support to MSI packages
* https://community.openvpn.net/openvpn/wiki/OpenVPNMSICA
*
* Copyright (C) 2018-2021 Simon Rozman <simon@rozman.si>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MSICA_ARG_H
#define MSICA_ARG_H
#include <windows.h>
#include <tchar.h>
#include "../tapctl/basic.h"
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4200) /* Using zero-sized arrays in struct/union. */
#endif
/**
* Argument list
*/
struct msica_arg
{
struct msica_arg *next; /** Pointer to the next argument in the sequence */
TCHAR val[]; /** Zero terminated argument string */
};
/**
* Argument sequence
*/
struct msica_arg_seq
{
struct msica_arg *head; /** Pointer to the first argument in the sequence */
struct msica_arg *tail; /** Pointer to the last argument in the sequence */
};
/**
* Initializes argument sequence
*
* @param seq Pointer to uninitialized argument sequence
*/
void
msica_arg_seq_init(_Inout_ struct msica_arg_seq *seq);
/**
* Frees argument sequence
*
* @param seq Pointer to the argument sequence
*/
void
msica_arg_seq_free(_Inout_ struct msica_arg_seq *seq);
/**
* Inserts argument to the beginning of the argument sequence
*
* @param seq Pointer to the argument sequence
*
* @param argument Zero-terminated argument string to insert.
*/
void
msica_arg_seq_add_head(
_Inout_ struct msica_arg_seq *seq,
_In_z_ LPCTSTR argument);
/**
* Appends argument to the end of the argument sequence
*
* @param seq Pointer to the argument sequence
*
* @param argument Zero-terminated argument string to append.
*/
void
msica_arg_seq_add_tail(
_Inout_ struct msica_arg_seq *seq,
_Inout_ LPCTSTR argument);
/**
* Join arguments of the argument sequence into a space delimited string
*
* @param seq Pointer to the argument sequence
*
* @return Joined argument string. Must be released with free() after use.
*/
LPTSTR
msica_arg_seq_join(_In_ const struct msica_arg_seq *seq);
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#endif /* ifndef MSICA_ARG_H */
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