diff options
Diffstat (limited to 'src/missing/getaddrinfo.h')
| -rw-r--r-- | src/missing/getaddrinfo.h | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/src/missing/getaddrinfo.h b/src/missing/getaddrinfo.h new file mode 100644 index 0000000..f965a8b --- /dev/null +++ b/src/missing/getaddrinfo.h @@ -0,0 +1,238 @@ +/* + * Copyright (c) 2001, 02 Motoyuki Kasahara + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name of the project 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 PROJECT 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 THE PROJECT OR CONTRIBUTORS 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 GETADDRINFO_H +#define GETADDRINFO_H + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <sys/types.h> + +#ifdef WIN32 +#include <time.h> +#include <winsock2.h> +#ifdef DO_IPV6 +#include <ws2tcpip.h> +#endif /* DO_IPV6 */ +#include <windows.h> +#else +#include <sys/socket.h> +#include <netdb.h> +#endif + + +/********************************************************************/ +/* + * Undefine all the macros. + * <netdb.h> might defines some of them. + */ +#ifdef EAI_ADDRFAMILY +#undef EAI_ADDRFAMILY +#endif +#ifdef EAI_AGAIN +#undef EAI_AGAIN +#endif +#ifdef EAI_BADFLAGS +#undef EAI_BADFLAGS +#endif +#ifdef EAI_FAIL +#undef EAI_FAIL +#endif +#ifdef EAI_FAMILY +#undef EAI_FAMILY +#endif +#ifdef EAI_MEMORY +#undef EAI_MEMORY +#endif +#ifdef EAI_NONAME +#undef EAI_NONAME +#endif +#ifdef EAI_OVERFLOW +#undef EAI_OVERFLOW +#endif +#ifdef EAI_SERVICE +#undef EAI_SERVICE +#endif +#ifdef EAI_SOCKTYPE +#undef EAI_SOCKTYPE +#endif +#ifdef EAI_SYSTEM +#undef EAI_SYSTEM +#endif + +#ifdef AI_PASSIVE +#undef AI_PASSIVE +#endif +#ifdef AI_CANONNAME +#undef AI_CANONNAME +#endif +#ifdef AI_NUMERICHOST +#undef AI_NUMERICHOST +#endif +#ifdef AI_NUMERICSERV +#undef AI_NUMERICSERV +#endif +#ifdef AI_V4MAPPED +#undef AI_V4MAPPED +#endif +#ifdef AI_ALL +#undef AI_ALL +#endif +#ifdef AI_ADDRCONFIG +#undef AI_ADDRCONFIG +#endif +#ifdef AI_DEFAULT +#undef AI_DEFAULT +#endif + +#ifdef NI_NOFQDN +#undef NI_NOFQDN +#endif +#ifdef NI_NUMERICHOST +#undef NI_NUMERICHOST +#endif +#ifdef NI_NAMEREQD +#undef NI_NAMEREQD +#endif +#ifdef NI_NUMERICSERV +#undef NI_NUMERICSERV +#endif +#ifdef NI_NUMERICSCOPE +#undef NI_NUMERICSCOPE +#endif + +#ifdef NI_DGRAM +#undef NI_DGRAM +#endif +#ifdef NI_MAXHOST +#undef NI_MAXHOST +#endif +#ifdef NI_MAXSERV +#undef NI_MAXSERV +#endif + +/* + * Fake struct and function names. + * <netdb.h> might declares all or some of them. + */ +#if defined(HAVE_GETADDRINFO) || defined(HAVE_GETNAMEINFO) +#define addrinfo my_addrinfo +#define gai_strerror my_gai_strerror +#define freeaddrinfo my_freeaddrinfo +#define getaddrinfo my_getaddrinfo +#define getnameinfo my_getnameinfo +#endif + +/********************************************************************/ +/* + * Error codes. + */ +#define EAI_ADDRFAMILY 1 +#define EAI_AGAIN 2 +#define EAI_BADFLAGS 3 +#define EAI_FAIL 4 +#define EAI_FAMILY 5 +#define EAI_MEMORY 6 +#define EAI_NONAME 7 +#define EAI_OVERFLOW 8 +#define EAI_SERVICE 9 +#define EAI_SOCKTYPE 10 +#define EAI_SYSTEM 11 + +/* + * Flags for getaddrinfo(). + */ +#define AI_ADDRCONFIG 0x0001 +#define AI_ALL 0x0002 +#define AI_CANONNAME 0x0004 +#define AI_NUMERICHOST 0x0008 +#define AI_NUMERICSERV 0x0010 +#define AI_PASSIVE 0x0020 +#define AI_V4MAPPED 0x0040 +#define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG) + +/* + * Flags for getnameinfo(). + */ +#define NI_DGRAM 0x0001 +#define NI_NAMEREQD 0x0002 +#define NI_NOFQDN 0x0004 +#define NI_NUMERICHOST 0x0008 +#define NI_NUMERICSCOPE 0x0010 +#define NI_NUMERICSERV 0x0020 + +/* + * Maximum length of FQDN and servie name for getnameinfo(). + */ +#define NI_MAXHOST 1025 +#define NI_MAXSERV 32 + +/* + * Address families and Protocol families. + */ +#ifndef AF_UNSPEC +#define AF_UNSPEC AF_INET +#endif +#ifndef PF_UNSPEC +#define PF_UNSPEC PF_INET +#endif + +/* + * struct addrinfo. + */ +struct addrinfo { + int ai_flags; + int ai_family; + int ai_socktype; + int ai_protocol; + socklen_t ai_addrlen; + char *ai_canonname; + struct sockaddr *ai_addr; + struct addrinfo *ai_next; +}; + +/* + * Functions. + */ +#ifdef __STDC__ +const char *gai_strerror(int); +void freeaddrinfo(struct addrinfo *); +int getaddrinfo(const char *, const char *, const struct addrinfo *, + struct addrinfo **); +int getnameinfo(const struct sockaddr *, socklen_t, char *, + socklen_t, char *, socklen_t, int); +#else +const char *gai_strerror(); +void freeaddrinfo(); +int getaddrinfo(); +int getnameinfo(); +#endif + +#endif /* not GETADDRINFO_H */ |