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utils.h

/*
 * netlink/utils.h            Utility Functions
 *
 *    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_UTILS_H_
#define NETLINK_UTILS_H_

#include <netlink/netlink.h>
#include <netlink/list.h>

/**
 * @name Probability Constants
 * @{
 */

/**
 * Lower probability limit
 * @ingroup utils
 */
00027 #define NL_PROB_MIN 0x0

/**
 * Upper probability limit
 * @ingroup utils
 */
00033 #define NL_PROB_MAX 0xffffffff

/** @} */

extern char *     nl_geterror(void);
extern int  nl_get_errno(void);

/* unit pretty-printing */
extern double     nl_cancel_down_bytes(unsigned long long, char **);
extern double     nl_cancel_down_bits(unsigned long long, char **);
extern double     nl_cancel_down_us(uint32_t, char **);

/* generic unit translations */
extern long nl_size2int(const char *);
extern long nl_prob2int(const char *);

/* time translations */
extern int  nl_get_hz(void);
extern uint32_t   nl_us2ticks(uint32_t);
extern uint32_t   nl_ticks2us(uint32_t);
extern char *     nl_msec2str(uint64_t, char *, size_t);

/* link layer protocol translations */
extern char *     nl_llproto2str(int, char *, size_t);
extern int  nl_str2llproto(const char *);

/* ethernet protocol translations */
extern char *     nl_ether_proto2str(int, char *, size_t);
extern int  nl_str2ether_proto(const char *);


#endif

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