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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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