1*10465441SEvalZero /* 2*10465441SEvalZero * Copyright (c) 2006-2018, RT-Thread Development Team 3*10465441SEvalZero * 4*10465441SEvalZero * SPDX-License-Identifier: Apache-2.0 5*10465441SEvalZero * 6*10465441SEvalZero * Change Logs: 7*10465441SEvalZero * Date Author Notes 8*10465441SEvalZero * 2018-05-24 ChenYong First version 9*10465441SEvalZero */ 10*10465441SEvalZero #ifndef SAL_NETDB_H__ 11*10465441SEvalZero #define SAL_NETDB_H__ 12*10465441SEvalZero 13*10465441SEvalZero #include <sal_socket.h> 14*10465441SEvalZero 15*10465441SEvalZero #ifdef __cplusplus 16*10465441SEvalZero extern "C" { 17*10465441SEvalZero #endif 18*10465441SEvalZero 19*10465441SEvalZero #define EAI_NONAME 200 20*10465441SEvalZero #define EAI_SERVICE 201 21*10465441SEvalZero #define EAI_FAIL 202 22*10465441SEvalZero #define EAI_MEMORY 203 23*10465441SEvalZero #define EAI_FAMILY 204 24*10465441SEvalZero 25*10465441SEvalZero #define HOST_NOT_FOUND 210 26*10465441SEvalZero #define NO_DATA 211 27*10465441SEvalZero #define NO_RECOVERY 212 28*10465441SEvalZero #define TRY_AGAIN 213 29*10465441SEvalZero 30*10465441SEvalZero #define AI_PASSIVE 0x01 31*10465441SEvalZero #define AI_CANONNAME 0x02 32*10465441SEvalZero #define AI_NUMERICHOST 0x04 33*10465441SEvalZero #define AI_NUMERICSERV 0x08 34*10465441SEvalZero #define AI_V4MAPPED 0x10 35*10465441SEvalZero #define AI_ALL 0x20 36*10465441SEvalZero #define AI_ADDRCONFIG 0x40 37*10465441SEvalZero 38*10465441SEvalZero /* input flags for structure addrinfo */ 39*10465441SEvalZero #define AI_PASSIVE 0x01 40*10465441SEvalZero #define AI_CANONNAME 0x02 41*10465441SEvalZero #define AI_NUMERICHOST 0x04 42*10465441SEvalZero #define AI_NUMERICSERV 0x08 43*10465441SEvalZero #define AI_V4MAPPED 0x10 44*10465441SEvalZero #define AI_ALL 0x20 45*10465441SEvalZero #define AI_ADDRCONFIG 0x40 46*10465441SEvalZero 47*10465441SEvalZero #define DNS_MAX_NAME_LENGTH 256 48*10465441SEvalZero 49*10465441SEvalZero struct hostent { 50*10465441SEvalZero char *h_name; /* Official name of the host. */ 51*10465441SEvalZero char **h_aliases; /* A pointer to an array of pointers to alternative host names, 52*10465441SEvalZero terminated by a null pointer. */ 53*10465441SEvalZero int h_addrtype; /* Address type. */ 54*10465441SEvalZero int h_length; /* The length, in bytes, of the address. */ 55*10465441SEvalZero char **h_addr_list; /* A pointer to an array of pointers to network addresses (in 56*10465441SEvalZero network byte order) for the host, terminated by a null pointer. */ 57*10465441SEvalZero #define h_addr h_addr_list[0] /* for backward compatibility */ 58*10465441SEvalZero }; 59*10465441SEvalZero 60*10465441SEvalZero struct addrinfo { 61*10465441SEvalZero int ai_flags; /* Input flags. */ 62*10465441SEvalZero int ai_family; /* Address family of socket. */ 63*10465441SEvalZero int ai_socktype; /* Socket type. */ 64*10465441SEvalZero int ai_protocol; /* Protocol of socket. */ 65*10465441SEvalZero socklen_t ai_addrlen; /* Length of socket address. */ 66*10465441SEvalZero struct sockaddr *ai_addr; /* Socket address of socket. */ 67*10465441SEvalZero char *ai_canonname; /* Canonical name of service location. */ 68*10465441SEvalZero struct addrinfo *ai_next; /* Pointer to next in list. */ 69*10465441SEvalZero }; 70*10465441SEvalZero 71*10465441SEvalZero struct hostent *sal_gethostbyname(const char *name); 72*10465441SEvalZero 73*10465441SEvalZero int sal_gethostbyname_r(const char *name, struct hostent *ret, char *buf, 74*10465441SEvalZero size_t buflen, struct hostent **result, int *h_errnop); 75*10465441SEvalZero void sal_freeaddrinfo(struct addrinfo *ai); 76*10465441SEvalZero int sal_getaddrinfo(const char *nodename, 77*10465441SEvalZero const char *servname, 78*10465441SEvalZero const struct addrinfo *hints, 79*10465441SEvalZero struct addrinfo **res); 80*10465441SEvalZero 81*10465441SEvalZero #ifdef __cplusplus 82*10465441SEvalZero } 83*10465441SEvalZero #endif 84*10465441SEvalZero 85*10465441SEvalZero #endif /* SAL_NETDB_H__ */ 86