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/* * bsock_addrinfo - struct addrinfo string manipulation * * Copyright (c) 2011, Glue Logic LLC. All rights reserved. code()gluelogic.com * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Glue Logic LLC nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef INCLUDED_BSOCK_ADDRINFO_H #define INCLUDED_BSOCK_ADDRINFO_H #include <sys/types.h> #include <sys/socket.h> #include <netdb.h> #include <stdbool.h> #ifdef __cplusplus extern "C" { #endif #if defined(_AIX) && !defined(_ALL_SOURCE) /* #define _ALL_SOURCE required for definition of struct addrinfo on AIX (!) */ /* !!Differs!! from Single Unix Specification SUSv6 (from 2004!) * http://pubs.opengroup.org/onlinepubs/009695399/basedefs/netdb.h.html */ struct addrinfo { /* AIX struct addrinfo DIFFERS FROM POSIX STANDARD! */ int ai_flags; int ai_family; int ai_socktype; int ai_protocol; size_t ai_addrlen; /* socklen_t in standard */ char *ai_canonname; /* order swapped with ai_addr in standard */ struct sockaddr *ai_addr; /* order swapped with ai_cannonname in standard*/ struct addrinfo *ai_next; }; #define AI_PASSIVE 0x02 /* specific to AIX */ #endif struct bsock_addrinfo_strs { const char *family; const char *socktype; const char *protocol; const char *service; const char *addr; }; /* ai->ai_addr must be provided containing usable storage of len ai->ai_addrlen * (recommended: #include <sys/socket.h> and use struct sockaddr_storage) */ bool __attribute__((nonnull)) bsock_addrinfo_from_strs(struct addrinfo * const restrict ai, const struct bsock_addrinfo_strs * const restrict aistr); bool __attribute__((nonnull)) bsock_addrinfo_to_strs(const struct addrinfo * const restrict ai, struct bsock_addrinfo_strs * const aistr, char * const restrict buf, const size_t bufsz); bool __attribute__((nonnull)) bsock_addrinfo_split_str(struct bsock_addrinfo_strs * const aistr, char * const restrict str); bool __attribute__((nonnull (2,3))) bsock_addrinfo_recv_ex (const int fd, struct addrinfo * const restrict ai, int * const restrict rfd, char * const restrict ctrlbuf, const size_t ctrlbuf_sz); #define bsock_addrinfo_recv(fd, ai, rfd) \ bsock_addrinfo_recv_ex((fd),(ai),(rfd),0,0) bool __attribute__((nonnull)) bsock_addrinfo_send (const int fd, const struct addrinfo * const restrict ai, const int sfd); #ifdef __cplusplus } #endif #endif