diff options
Diffstat (limited to 'src/include/getaddrinfo.h')
| -rw-r--r-- | src/include/getaddrinfo.h | 63 |
1 files changed, 53 insertions, 10 deletions
diff --git a/src/include/getaddrinfo.h b/src/include/getaddrinfo.h index 7933f93d705..2b47d613e99 100644 --- a/src/include/getaddrinfo.h +++ b/src/include/getaddrinfo.h @@ -1,12 +1,34 @@ -/* $Header: /cvsroot/pgsql/src/include/getaddrinfo.h,v 1.1 2003/03/29 11:31:51 petere Exp $ */ - +/*------------------------------------------------------------------------- + * + * 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. + * + * 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, PostgreSQL Global Development Group + * + * $Id: getaddrinfo.h,v 1.2 2003/04/02 00:49:28 tgl Exp $ + * + *------------------------------------------------------------------------- + */ #ifndef GETADDRINFO_H #define GETADDRINFO_H -#include "c.h" +#include <sys/socket.h> #include <netdb.h> +#ifndef HAVE_STRUCT_ADDRINFO + struct addrinfo { int ai_flags; int ai_family; @@ -18,13 +40,6 @@ struct addrinfo { struct addrinfo *ai_next; }; - -int getaddrinfo(const char *node, const char *service, - const struct addrinfo *hints, struct addrinfo **res); -void freeaddrinfo(struct addrinfo *res); -const char *gai_strerror(int errcode); - - #define EAI_BADFLAGS -1 #define EAI_NONAME -2 #define EAI_AGAIN -3 @@ -40,4 +55,32 @@ const char *gai_strerror(int errcode); #define AI_PASSIVE 0x0001 #define AI_NUMERICHOST 0x0004 +#endif /* HAVE_STRUCT_ADDRINFO */ + + +#ifndef HAVE_GETADDRINFO + +/* Rename private copies per comments above */ +#ifdef getaddrinfo +#undef getaddrinfo +#endif +#define getaddrinfo pg_getaddrinfo + +#ifdef freeaddrinfo +#undef freeaddrinfo +#endif +#define freeaddrinfo pg_freeaddrinfo + +#ifdef gai_strerror +#undef gai_strerror +#endif +#define gai_strerror pg_gai_strerror + +extern int getaddrinfo(const char *node, const char *service, + const struct addrinfo *hints, struct addrinfo **res); +extern void freeaddrinfo(struct addrinfo *res); +extern const char *gai_strerror(int errcode); + +#endif /* HAVE_GETADDRINFO */ + #endif /* GETADDRINFO_H */ |