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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Copyright (C) 2010 Red Hat, Inc.
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef UTILS_H
#define UTILS_H
#include <config.h>
#include <sys/types.h>
typedef u_int8_t qcdmbool;
#ifndef TRUE
#define TRUE ((u_int8_t) 1)
#endif
#ifndef FALSE
#define FALSE ((u_int8_t) 0)
#endif
#define DIAG_CONTROL_CHAR 0x7E
#define DIAG_TRAILER_LEN 3
u_int16_t crc16 (const char *buffer, size_t len);
size_t dm_escape (const char *inbuf,
size_t inbuf_len,
char *outbuf,
size_t outbuf_len);
size_t dm_unescape (const char *inbuf,
size_t inbuf_len,
char *outbuf,
size_t outbuf_len,
qcdmbool *escaping);
size_t dm_encapsulate_buffer (char *inbuf,
size_t cmd_len,
size_t inbuf_len,
char *outbuf,
size_t outbuf_len);
qcdmbool dm_decapsulate_buffer (const char *inbuf,
size_t inbuf_len,
char *outbuf,
size_t outbuf_len,
size_t *out_decap_len,
size_t *out_used,
qcdmbool *out_need_more);
#endif /* UTILS_H */
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