text: /*
   * net/tipc/log.h: Include file for TIPC print buffer routines
   *
   * Copyright (c) 1997-2006, Ericsson AB
   * Copyright (c) 2005-2007, 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_LOG_H
  #define _TIPC_LOG_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)
   * @echo: echo output to system console if non-zero
   */
  struct print_buf {
  	char *buf;
  	u32 size;
  	char *crs;
  	int echo;
  };
  
  #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);
  int  tipc_printbuf_validate(struct print_buf *pb);
  
  int 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
  