e963960681
for talking to the server and for setting the interface address and route. However, otherwise it is quite different, since we need to be working under the assumptions that there is no stable storage on a rump instance, and that there are n networking stacks on a given host.
77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
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* dhcpcd - DHCP client daemon
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* Copyright (c) 2006-2009 Roy Marples <roy@marples.name>
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* All rights reserved
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef COMMON_H
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#define COMMON_H
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#include <stdio.h>
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#include <time.h>
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#define UNCONST(a) ((void *)(unsigned long)(const void *)(a))
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#define timeval_to_double(tv) ((tv)->tv_sec * 1.0 + (tv)->tv_usec * 1.0e-6)
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#define timernorm(tvp) \
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do { \
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while ((tvp)->tv_usec >= 1000000) { \
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(tvp)->tv_sec++; \
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(tvp)->tv_usec -= 1000000; \
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} \
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} while (0 /* CONSTCOND */);
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#if __GNUC__ > 2 || defined(__INTEL_COMPILER)
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# define _noreturn __attribute__((__noreturn__))
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# define _packed __attribute__((__packed__))
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# define _unused __attribute__((__unused__))
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#else
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# define _noreturn
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# define _packed
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# define _unused
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#endif
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/* We don't really need this as our supported systems define __restrict
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* automatically for us, but it is here for completeness. */
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#ifndef __restrict
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# if defined(__lint__)
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# define __restrict
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# elif __STDC_VERSION__ >= 199901L
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# define __restrict restrict
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# elif !(2 < __GNUC__ || (2 == __GNU_C && 95 <= __GNUC_VERSION__))
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# define __restrict
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# endif
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#endif
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int set_nonblock(int);
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extern int clock_monotonic;
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int get_monotonic(struct timeval *);
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time_t uptime(void);
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void *xrealloc(void *, size_t);
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void *xmalloc(size_t);
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void *xzalloc(size_t);
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char *xstrdup(const char *);
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#endif
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