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Diffstat (limited to 'lib/replace/getaddrinfo.h')
-rw-r--r-- | lib/replace/getaddrinfo.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/lib/replace/getaddrinfo.h b/lib/replace/getaddrinfo.h new file mode 100644 index 0000000..cf040da --- /dev/null +++ b/lib/replace/getaddrinfo.h @@ -0,0 +1,91 @@ +/* +PostgreSQL Database Management System +(formerly known as Postgres, then as Postgres95) + +Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group + +Portions Copyright (c) 1994, The Regents of the University of California + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose, without fee, and without a written agreement +is hereby granted, provided that the above copyright notice and this paragraph +and the following two paragraphs appear in all copies. + +IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR +DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING +LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, +EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGE. + +THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, +INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS +ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS +TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + +*/ + +/*------------------------------------------------------------------------- + * + * getaddrinfo.h + * Support getaddrinfo() on platforms that don't have it. + * + * Note: we use our own routines on platforms that don't HAVE_STRUCT_ADDRINFO, + * whether or not the library routine getaddrinfo() can be found. This + * policy is needed because on some platforms a manually installed libbind.a + * may provide getaddrinfo(), yet the system headers may not provide the + * struct definitions needed to call it. To avoid conflict with the libbind + * definition in such cases, we rename our routines to pg_xxx() via macros. + * + +in lib/replace we use rep_xxx() + + * This code will also work on platforms where struct addrinfo is defined + * in the system headers but no getaddrinfo() can be located. + * + * Copyright (c) 2003-2007, PostgreSQL Global Development Group + * + *------------------------------------------------------------------------- + */ +#ifndef GETADDRINFO_H +#define GETADDRINFO_H + +#ifndef HAVE_GETADDRINFO + +/* Rename private copies per comments above */ +#ifdef getaddrinfo +#undef getaddrinfo +#endif +#define getaddrinfo rep_getaddrinfo +#define HAVE_GETADDRINFO + +#ifdef freeaddrinfo +#undef freeaddrinfo +#endif +#define freeaddrinfo rep_freeaddrinfo +#define HAVE_FREEADDRINFO + +#ifdef gai_strerror +#undef gai_strerror +#endif +#define gai_strerror rep_gai_strerror +#define HAVE_GAI_STRERROR + +#ifdef getnameinfo +#undef getnameinfo +#endif +#define getnameinfo rep_getnameinfo +#ifndef HAVE_GETNAMEINFO +#define HAVE_GETNAMEINFO +#endif + +extern int rep_getaddrinfo(const char *node, const char *service, + const struct addrinfo * hints, struct addrinfo ** res); +extern void rep_freeaddrinfo(struct addrinfo * res); +extern const char *rep_gai_strerror(int errcode); +extern int rep_getnameinfo(const struct sockaddr * sa, socklen_t salen, + char *node, size_t nodelen, + char *service, size_t servicelen, int flags); +#endif /* HAVE_GETADDRINFO */ + +#endif /* GETADDRINFO_H */ |