diff options
Diffstat (limited to 'lib/getaddrinfo.h')
| -rw-r--r-- | lib/getaddrinfo.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lib/getaddrinfo.h b/lib/getaddrinfo.h new file mode 100644 index 00000000..c474d3bc --- /dev/null +++ b/lib/getaddrinfo.h @@ -0,0 +1,67 @@ +#ifndef _getaddrinfo_h +#define _getaddrinfo_h +/* + * This file is part of libESMTP, a library for submission of RFC 2822 + * formatted electronic mail messages using the SMTP protocol described + * in RFC 2821. + * + * Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net> + * + * 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; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* Structure and prototypes aken from RFC 2553 */ + +struct addrinfo + { + int ai_flags; /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */ + int ai_family; /* PF_xxx */ + int ai_socktype; /* SOCK_xxx */ + int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ + size_t ai_addrlen; /* length of ai_addr */ + char *ai_canonname; /* canonical name for nodename */ + struct sockaddr *ai_addr; /* binary address */ + struct addrinfo *ai_next; /* next structure in linked list */ + }; + +/* Supposed to be defined in <netdb.h> */ +#define AI_PASSIVE 1 /* Socket address is intended for `bind'. */ +#define AI_CANONNAME 2 /* Request for canonical name. */ +#define AI_NUMERICHOST 4 /* Don't use name resolution. */ + +/* Supposed to be defined in <netdb.h> */ +#define EAI_ADDRFAMILY 1 /* address family for nodename not supported */ +#define EAI_AGAIN 2 /* temporary failure in name resolution */ +#define EAI_BADFLAGS 3 /* invalid value for ai_flags */ +#define EAI_FAIL 4 /* non-recoverable failure in name resolution */ +#define EAI_FAMILY 5 /* ai_family not supported */ +#define EAI_MEMORY 6 /* memory allocation failure */ +#define EAI_NODATA 7 /* no address associated with nodename */ +#define EAI_NONAME 8 /* nodename nor servname provided, or not known */ +#define EAI_SERVICE 9 /* servname not supported for ai_socktype */ +#define EAI_SOCKTYPE 10 /* ai_socktype not supported */ +#define EAI_SYSTEM 11 /* system error returned in errno */ + +/* RFC 2553 / Posix resolver */ +int getaddrinfo (const char *nodename, const char *servname, + const struct addrinfo *hints, struct addrinfo **res); + +/* Free addrinfo structure and associated storage */ +void freeaddrinfo (struct addrinfo *ai); + +/* Convert error return from getaddrinfo() to string */ +const char *gai_strerror (int code); + +#endif |