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/*
* net/tipc/dbg.h: Include file for TIPC print buffer routines
*
* Copyright (c) 1997-2006, Ericsson AB
* Copyright (c) 2005-2006, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TIPC_DBG_H
#define _TIPC_DBG_H
/**
* struct print_buf - TIPC print buffer structure
* @buf: pointer to character array containing print buffer contents
* @size: size of character array
* @crs: pointer to first unused space in character array (i.e. final NUL)
* @next: used to link print buffers when printing to more than one at a time
*/
struct print_buf {
char *buf;
u32 size;
char *crs;
struct print_buf *next;
};
#define TIPC_PB_MIN_SIZE 64 /* minimum size for a print buffer's array */
#define TIPC_PB_MAX_STR 512 /* max printable string (with trailing NUL) */
void tipc_printbuf_init(struct print_buf *pb, char *buf, u32 size);
void tipc_printbuf_reset(struct print_buf *pb);
int tipc_printbuf_empty(struct print_buf *pb);
int tipc_printbuf_validate(struct print_buf *pb);
void tipc_printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from);
void tipc_log_resize(int log_size);
struct sk_buff *tipc_log_resize_cmd(const void *req_tlv_area,
int req_tlv_space);
struct sk_buff *tipc_log_dump(void);
#endif
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