getaddrinfo.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
3  *
4  * Squid software is distributed under GPLv2+ license and includes
5  * contributions from numerous individuals and organizations.
6  * Please see the COPYING and CONTRIBUTORS files for details.
7  */
8 
9 #ifndef _getaddrinfo_h
10 #define _getaddrinfo_h
11 
12 /*
13  * Shamelessly duplicated from the fetchmail public sources
14  * for use by the Squid Project under GNU Public License.
15  *
16  * Update/Maintenance History:
17  *
18  * 15-Aug-2007 : Copied from fetchmail 6.3.8
19  * - added protection around library headers
20  *
21  * 16-Aug-2007 : Altered configure checks
22  * Un-hacked slightly to use system gethostbyname()
23  *
24  * Original License and code follows.
25  */
26 
27 /*
28  * This file is part of libESMTP, a library for submission of RFC 2822
29  * formatted electronic mail messages using the SMTP protocol described
30  * in RFC 2821.
31  *
32  * Copyright (C) 2001,2002 Brian Stafford <brian@stafford.uklinux.net>
33  *
34  * This library is free software; you can redistribute it and/or
35  * modify it under the terms of the GNU Lesser General Public
36  * License as published by the Free Software Foundation; either
37  * version 2.1 of the License, or (at your option) any later version.
38  *
39  * This library is distributed in the hope that it will be useful,
40  * but WITHOUT ANY WARRANTY; without even the implied warranty of
41  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
42  * Lesser General Public License for more details.
43  *
44  * You should have received a copy of the GNU Lesser General Public
45  * License along with this library; if not, write to the Free Software
46  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
47  */
48 
49 /* Structure and prototypes taken from RFC 2553 */
50 
51 /* These functions are provided by the OS */
52 #if !HAVE_DECL_GETADDRINFO
53 
54 #ifndef EAI_SYSTEM
55 /* Not defined on mingw32. */
56 #define EAI_SYSTEM 11 /* System error returned in `errno'. */
57 #endif
58 #ifndef EAI_OVERFLOW
59 /* Not defined on mingw32. */
60 #define EAI_OVERFLOW 12 /* Argument buffer overflow. */
61 #endif
62 
63 #ifndef IN_EXPERIMENTAL
64 #define IN_EXPERIMENTAL(a) \
65  ((((long int) (a)) & 0xf0000000) == 0xf0000000)
66 #endif
67 
68 /* RFC 2553 / Posix resolver */
69 SQUIDCEXTERN int xgetaddrinfo (const char *nodename, const char *servname,
70  const struct addrinfo *hints, struct addrinfo **res);
71 #define getaddrinfo xgetaddrinfo
72 
73 /* Free addrinfo structure and associated storage */
74 SQUIDCEXTERN void xfreeaddrinfo (struct addrinfo *ai);
75 #define freeaddrinfo xfreeaddrinfo
76 
77 /* Convert error return from getaddrinfo() to string */
78 SQUIDCEXTERN const char *xgai_strerror (int code);
79 #if !defined(gai_strerror)
80 #define gai_strerror xgai_strerror
81 #endif
82 
83 #endif /* HAVE_DECL_GETADDRINFO */
84 #endif /* _getaddrinfo_h */
85 
SQUIDCEXTERN int xgetaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res)
Definition: getaddrinfo.cc:101
#define SQUIDCEXTERN
Definition: squid.h:21
SQUIDCEXTERN const char * xgai_strerror(int code)
Definition: getaddrinfo.cc:311
unsigned char code
Definition: html_quote.c:20
SQUIDCEXTERN void xfreeaddrinfo(struct addrinfo *ai)
Definition: getaddrinfo.cc:295

 

Introduction

Documentation

Support

Miscellaneous

Web Site Translations

Mirrors