Annotation of src/external/bsd/dhcpcd/dist/src/sa.h, Revision 1.1.1.2.6.2
1.1.1.2.6.2! martin 1: /*
! 2: * Socket Address handling for dhcpcd
! 3: * Copyright (c) 2015-2018 Roy Marples <roy@marples.name>
! 4: * All rights reserved
! 5:
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: * 1. Redistributions of source code must retain the above copyright
! 10: * notice, this list of conditions and the following disclaimer.
! 11: * 2. Redistributions in binary form must reproduce the above copyright
! 12: * notice, this list of conditions and the following disclaimer in the
! 13: * documentation and/or other materials provided with the distribution.
! 14: *
! 15: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 16: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 17: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 18: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 19: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 20: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 21: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 22: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 23: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 24: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 25: * SUCH DAMAGE.
! 26: */
! 27:
! 28: #ifndef SA_H
! 29: #define SA_H
! 30:
! 31: #include <sys/socket.h>
! 32:
! 33: union sa_ss {
! 34: struct sockaddr sa;
! 35: struct sockaddr_in sin;
! 36: struct sockaddr_in6 sin6;
! 37: };
! 38:
! 39: #ifdef BSD
! 40: #define HAVE_SA_LEN
! 41: #endif
! 42:
! 43: /* Allow for a sockaddr_dl being printed too. */
! 44: #define INET_MAX_ADDRSTRLEN (20 * 3)
! 45:
! 46: #ifdef INET
! 47: #define satosin(sa) ((struct sockaddr_in *)(void *)(sa))
! 48: #define satocsin(sa) ((const struct sockaddr_in *)(const void *)(sa))
! 49: #endif
! 50: #ifdef INET6
! 51: #define satosin6(sa) ((struct sockaddr_in6 *)(void *)(sa))
! 52: #define satocsin6(sa) ((const struct sockaddr_in6 *)(const void *)(sa))
! 53: #endif
! 54:
! 55: socklen_t sa_addroffset(const struct sockaddr *sa);
! 56: socklen_t sa_addrlen(const struct sockaddr *sa);
! 57: bool sa_is_unspecified(const struct sockaddr *);
! 58: bool sa_is_allones(const struct sockaddr *);
! 59: bool sa_is_loopback(const struct sockaddr *);
! 60: void *sa_toaddr(struct sockaddr *);
! 61: int sa_toprefix(const struct sockaddr *);
! 62: int sa_fromprefix(struct sockaddr *, int);
! 63: const char *sa_addrtop(const struct sockaddr *, char *, socklen_t);
! 64: int sa_cmp(const struct sockaddr *, const struct sockaddr *);
! 65: void sa_in_init(struct sockaddr *, const struct in_addr *);
! 66: void sa_in6_init(struct sockaddr *, const struct in6_addr *);
! 67:
! 68: #endif
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