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/*
* netlink/netlink-types.h Netlink Types
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
*/
#ifndef __NETLINK_TYPES_H_
#define __NETLINK_TYPES_H_
#include <stdio.h>
/**
* Dumping types (dp_type)
* @ingroup utils
*/
enum nl_dump_type {
NL_DUMP_LINE, /**< Dump object briefly on one line */
NL_DUMP_DETAILS, /**< Dump all attributes but no statistics */
NL_DUMP_STATS, /**< Dump all attributes including statistics */
NL_DUMP_ENV, /**< Dump all attribtues as env variables */
__NL_DUMP_MAX,
};
#define NL_DUMP_MAX (__NL_DUMP_MAX - 1)
/**
* Dumping parameters
* @ingroup utils
*/
struct nl_dump_params
{
/**
* Specifies the type of dump that is requested.
*/
enum nl_dump_type dp_type;
/**
* Specifies the number of whitespaces to be put in front
* of every new line (indentation).
*/
int dp_prefix;
/**
* Causes the cache index to be printed for each element.
*/
int dp_print_index;
/**
* Causes each element to be prefixed with the message type.
*/
int dp_dump_msgtype;
/**
* A callback invoked for output
*
* Passed arguments are:
* - dumping parameters
* - string to append to the output
*/
void (*dp_cb)(struct nl_dump_params *, char *);
/**
* A callback invoked for every new line, can be used to
* customize the indentation.
*
* Passed arguments are:
* - dumping parameters
* - line number starting from 0
*/
void (*dp_nl_cb)(struct nl_dump_params *, int);
/**
* User data pointer, can be used to pass data to callbacks.
*/
void *dp_data;
/**
* File descriptor the dumping output should go to
*/
FILE * dp_fd;
/**
* Alternatively the output may be redirected into a buffer
*/
char * dp_buf;
/**
* Length of the buffer dp_buf
*/
size_t dp_buflen;
/**
* PRIVATE
* Set if a dump was performed prior to the actual dump handler.
*/
int dp_pre_dump;
/**
* PRIVATE
* Owned by the current caller
*/
int dp_ivar;
unsigned int dp_line;
};
#ifndef __GNUC__
#define __extension__
#endif
#define min_t(type,x,y) \
__extension__({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
#define max_t(type,x,y) \
__extension__({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
#endif
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